Ford V10 Surging Idle

Now for the road test. have moved the sensor up and down. It needs every part to work optimally for maximum power, including the idle air control valve for Ford F-250. Connected to the engine's primary air intake valve (the Throttle Body, or TB), the Idle Air Control (IAC) valve is responsible for making minor adjustments to engine airflow. Engines should run smooth and evenly when at idle, never fluctuating in rpm or dying. I went to the local parts store and put it on their code reader. We're not talking about a knocking engine or one that idles rough or stalls. Step 2 - Sometime a high idle condition can occur after a new battery has been installed, this is the opposite of the engine stalling but share the same malfunction, the computer is unable to control idle speed. As a side note the truck idles and runs great with the AC off. Ford has also issued a recall (04S13) for 2001-2003 Ford Escape sport utility vehicles with 3. Surging is usually caused by an air/fuel ratio problem. The Ford Modular engine is Ford Motor Company's overhead camshaft (OHC) V8 and V10 gasoline-powered small block engine family. All engines at one time or another will have idle problems; Ford engines can have idle stumbling, surges and stall-outs, no matter what make and year. 8l V10 Low Idle and Surging Click Here to Login: and the Ford method has to monitor the 02 signals are varying RPMs. It almost felt like I hit something. Best I can determine, idle speed should be around 650. The problem is caused by the calibration of the idle air control valve and evaporative emissions system. 5 volts or up to 1. I want to increase the. Provides power for all of the truck's electrical systems while the engine is running. with the mileage and the truck u may have an 02 sensor going bad or maybe a vaccum leak. The engine was missing at speeds above 45 MPH. I have an RV with a Triton V10 and bank power system. Brakes Overheating - You're seeking articles on our blog within the headline Brakes Overheating of choices of articles that we. now truck will bog and sometimes dies when taking off and coming to a stop. Noticed a little bit of surging around town too and kind of late throttle when I gas it a bit. I have 1996 460 ford. Topic: Ford Triton V10 problems: Posted By: Smooth steady idle with no surging or skipping. The issue appears as an engine that will crank but has a hard time firing up. Page 1 of 3: How to Test the 4. 2004 dodge ram Popping noises back through the intake manifold, severe surging and jerking accompanied by a rough idle and poor acceleration are all signs of an ignition 26 Nov 2018 Misfiring issue while under load - I have a 2011 Ram 1500 5. Hello all I have an 07 with 120k. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. There is no check engine light and there are no codes on the computer. My 03 V10 has a shudder at Idle. I am having problems with a rough idle and running really rough at crusing speeds. 2010 at 08:35 AM about the 1999 Ford F-250. Chrysler calls theirs an Automatic Idle Speed (AIS) motor while Ford refers to theirs as an Idle Speed Control (ISC) solenoid. When I start it up again it wont idle so I have to keep my foot in it to make it run. The engine dropped a valve at around 50k, and Ford replaced the engine under warranty. Your RPMs will drop way down the car may feel like it's about to stall. How to do a Ford throttle body relearn procedure. It starts up and runs smooth and goes down a flat road fine with no problems, but as soon as you go up a hill it starts to buck or surge under the added load. Then same thing over again as above. But when it comes down to the cold idle it will start to surge up and down. My local Ford dealer did a relative compression test, told me that #5&6 cylinders were low and recommended a long block, at $6700 no less. During their test, they were able to increase torque and horsepower all at a lower rpm and change shift points. 63 however it would dive, bog, falls on it's face or looses power when trying to go from 75% to wide open throttle. Idle lopes (idle RPMs go up and down). Took it out on the highway and had full power. Now, the symptoms that accompany a dirty (contaminated) Ford MAF sensor are not that harsh or noticeable on engine performance (of course this is not an absolute truth). Symptoms of a BAD Ford TPS. Welcome to the TDIClub Forums. Truck won't idle, instantly dies. > Ford V10 engine surging idle and power , help. If this vacuum hose is cracked or missing, you may experience a rough or surging idle. Timing is right on. March 2006 in Ford. Then if you brake torque the engine starts missing and surging. Only lasted until speed or gears changed. Also Ford calls these engines "modular" not because they share alot of parts (which is a misconception), but because the tooling that use to make the engines can be quickly reconfigured to produce any kind of the engines in the modular lineup. the RPM's do not move up or down as it surges. Ford E-150 Stalling on road and at idle when hot - 12 reports. 1987 - 1996 Ford F150 - Still running strong! Talk about your 8th and 9th generation Ford F150 trucks. Had a local autoparts place pull codes and comes back as a mass airflow sensor. I have a 1994 E350 15 passenger shuttle bus with a 460/7. I’d add to make sure all the routine engine maintenance is up to date. Average failure mileage is 59,400 miles. In the TEST 4 section of this article, I'll show how you'll use a base voltage reading at idle from the MAF sensor that will help you to confirm that the MAF sensor is bad or not. First, let's pinpoint exactly what's going on. Has no fault codes. The EGR valve and sensor must be replaced together to correct this concern. Ford F250 is Sluggish: 4 Common Causes and Tips to Fix Them. Unplug MAF and it runs better. They dont seem to know what it is. Incorrect idle speed: An IAC valve that sticks in the closed position will create an idle speed that's too low. I don't think they have any other issues (although that's an inconvenient one), other than the bad fuel mileage that you would expect from a large gas engine. This only lasts during that special (dunno what you call it. The Idle Speed Control (ISC) valve, also called an Idle Air Control (IAC) valve, is used on both throttle body and multipoint fuel injected engines to regulate idle speed. On my last 2 trips with mountains to climb, I had an incident on each trip when in T/H and in 3rd gear. Repairs Done At Local Dealership Including Replacement Of Catalytic Converters And O2 Sensors. Usually a bad or failing idle control valve will produce a few symptoms that can alert the driver of a potential issue. jdstoepfel Posts: 5. I have a 2000 Year ford V10 chassis on a thor hurricane. 9 is cold or warm, sitting in park or in drive at a stop or light, the idle will surge up and down. If your Ford F-250 is sluggish, here are the areas you'll want to troubleshoot. To learn more, see. Technical Service Bulletins (TSBs) are recommended steps and procedures for repairing vehicles. "Beat it like a red-headed ford" 1987 v10 Silverado 4" RC, 35's, 700R-4, 3. Will a new sensor fix this surging - Cars & Trucks question. Locate the idle control motor in your Ford vehicle and identify the two electrical pins on the solenoid. Ford E-350 Rough Running Engine and Possible Check Engine Light - 62 reports. Surging is usually caused by an air/fuel ratio problem. This sensor is a kind of potentiometer which transforms the throttle position into output voltage, and emits the voltage signal to the Engine Control Module (). Ford F-250 & Ford F-350 - F250 Super Duty V10 misfire - Hi new here and am really impressed with what I am finding here, looking forward to being a regular! I just bought a mint 1999 F250 Triton V10 (5 speed) and now less than a month after getting it I have a low speed miss I just can't seem to solve. In the event you are experiencing an erratic idle after loading a tune or after performing any action that clears KAM (Keep Alive Memory), an Idle Relearn can help you get back on track. In the TEST 4 section of this article, I'll show how you'll use a base voltage reading at idle from the MAF sensor that will help you to confirm that the MAF sensor is bad or not. My friend has a '99 Ford F-250 with the 6. iATN is the world's first and largest online community of automotive professionals, where automotive technicians and other auto industry pros perform real-world vehicle diagnosis, and discuss theory, shop management, and other industry issues among their peers. with the mileage and the truck u may have an 02 sensor going bad or maybe a vaccum leak. Ford V10 Triton Engine Problems. have 99 e350 with v10 it is surging very bad that will die cranks back up after few min i have put new pcv valve and hose on it also replaced iac any ideas thanks. I have replaced the Idle Air Control Valve, Cleaned the Throttle Body and The Mass Air Flow Sensor…. Locate the idle control motor in your Ford vehicle and identify the two electrical pins on the solenoid. engine surge at idle speed - My Triton V10 started surging at idle speed whether in park or neutral but worse in gear. 63 however it would dive, bog, falls on it's face or looses power when trying to go from 75% to wide open throttle. The Ford Excursion is known for intermittent rough idling, which may be accompanied by illumination of the check engine light, and poor fuel mileage. - Answered by a verified Ford Mechanic. Skip to content. Simply drive the vehicle for a short time for the idle to subside to normal operation. Ford has also issued a recall (04S13) for 2001-2003 Ford Escape sport utility vehicles with 3. So this idle surging stuff,, is it like raaaaar rooooooor raaaaaaaaar roooor you feel me? like the idle goes up and down?. Order Ford F350 Fuel Injector online today. I had an issue that was similar in a class C motorhome with a V10It lacked power and was surging under load. it just stops running. Just kinda rough idle, thanks, charlie king in Texas. Joined Mar 24 before Ford stepped up and paid to have it performed properly (my local dealer helped push this through also once they recognized the newer components were not installed on the truck). Ford V10 Triton Engine Problems This engine represents large evolution of design Fords V10 6. 73 2006 Boulevard M109R 109 cid, straight pipes, PCMlll,k&n 2009 Jeep XK, 2" lift springs in mail (future LS Swap) GSXR 750 engine awaiting go kart. In 2015, Ford issued a recall for the current model year of Mustangs that were equipped with 2. 8 litre (413 cubic inch) engine used with the F53 motorhome chassis (‘A ‘class), and the E450 chassis (‘C ‘class), is part of the company’s “Modular” engine family. Got something strange going on with my 04' Ford box truck with the V10 engine. Ford F-350 Cars & Trucks. and the truck drove normally. Ford V10 Triton. No signs of external leaks,nothing on the grouns under the truck ever but about every 2 weeks the coolant reservoir is empty and needs to be filled,Now yesterday I went. Even driving. Recently I was towing my 28' RV trailer and had the same problem. 7 tbi 1227747 AMUR Idle and Map sensor voltage both surging. (Ford calls it the IAC valve, stands for idle air control valve) and it's been running like a champ ever since. I replaced the TPS after the diagnostic showed it was faulty and it tested bad. Solution: Common symptons are the engine will turn for a number of seconds before firing and will then idle rough. The 2008 Ford F-150 has 8 problems reported for rough idle. 1987 - 1996 Ford F150 - Still running strong! Talk about your 8th and 9th generation Ford F150 trucks. With a condition such as this, it is normal for it to run rougher when electrical components are tuned on and it is normal for a car to run rough when the idle is to low. Page 4 Forum covers questions and discussions regarding Ford F-150, Ford F-250, Ford F-350, Ford F-450, Ford F-550, Ford F-650, and Ford F-750. When i step on accelerator it is fine. Pulled right up to highway speeds and kept it up with no skipping or surging. When the engine is started the idle surges up and down. Page 13/20. hi there, i have a 2000 Ford F250 powerstroke automatic with 188K miles. Therefore, due to differences in the expansion rate of the metals when heated, the spark plugs tend to pop out because aluminum expands more than steel. iATN is the world's first and largest online community of automotive professionals, where automotive technicians and other auto industry pros perform real-world vehicle diagnosis, and discuss theory, shop management, and other industry issues among their peers. 5V at idle will cure TC clutch chatter under light load conditions. Rough hesitation and stumbling at different speeds. Then I found if you turn the truck off and restart the problem will go away and run ok (idle /accelerate) till the. 8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on. How to do a Ford throttle body relearn procedure. The evap system integrity check uses a Fuel Tank Pressure Transducer (FTPT), a Canister Vent Solenoid (CVS) and Fuel Level Input (FLI) along with the Vapor Management Valve (VMV) or Electric Vapor Management Valve (EVMV) to find 0. Got something strange going on with my 04' Ford box truck with the V10 engine. Problems with idle speed—things like slow idle, fast idle, rough idle, or stalling after idling for a few seconds—are symptoms that something is wrong with your engine. With warm weather I get nothing. anti stall feature for ford f series light duty chassis with v10. 0 Resto Idle Air Control Adjuster This 5. Hello all I have an 07 with 120k. At around 2700-3400 there was slight surging in RPM. How Does the Ford TPS Work?. 4L Post by herrmant » Mon Dec 19, 2016 10:59 pm 3FOX, the reason why I suggested he unplug the MAF is because if it is giving some strange reading to the pcm, far of from what the actual reading is, disconnecting it will change the way it runs. The issue appears as an engine that will crank but has a hard time firing up. So it has always used a bit of coolant but I cannot for the life of me figure out where it is going. 8 v-10 surges at idle fault code po122 throttle control sensor bad. P2195 O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 1) Code OBD-II Trouble Code Technical Description. The engine was missing at speeds above 45 MPH. L LT ADAP % -24 R LT ADAP % -32 (Left and Right Long Term Fuel) ECT seems to be working. I know some of you members recently got new V10's so I'am turning to you guys with new V10's for some help. why does it idle high? it idles around 1000 rpm to 2000rpm. Normal output voltage of a MAP sensor should be about 4. It surges at an idle but never dies. Long time lurker here. As a side note the truck idles and runs great with the AC off. The following vehicle had an idle surge from 1500 – 1800 RPM. Start with the vehcile on level ground, engine "OFF" in park with the emergency brake set, wear protective gloves and eye wear for safety. The 2004 Ford F-150 has 9 problems reported for stalls out when coming to a stop. It will cause the idle speed to randomly fluctuate to different speeds rather than stay at one constant speed. idle problems - Truck won't idle properly. One way to think of the V10 is as a 4. oil changes regularly, and when u pull the valve covers it is super clean, almost new looking with no cakes or tarnished follers or cam. I don't think they have any other issues (although that's an inconvenient one), other than the bad fuel mileage that you would expect from a large gas engine. When a Ford Focus exhibits problems with running roughly at idle speeds, auto mechanics generally look first to either a vacuum problem, or more often, a problem with water getting into the Differential Pressure Feedback Sensor (DPFE), a part of the EGR (exhaust gas recirculation system). 2001 F250 V10. I found the problem with the surging & erratic idle. What tools do I need? Circuit Descriptions of the Ford TPS. 2010 Ford F-150 Engine problems & defects. It begins to surge which will stop when I shift to neutral. It is because rough idle when warm can either be caused by one faulty component or through series of problems. Engine at idle, there should be no apppreciable vac at the EGR valve vac port, you might feel some sort of airflow/vibration at the vac connector but unless there is an actual vacuum, don't worry about it, it's just normal EVR flutter. Best I can determine, idle speed should be around 650. 5 gpm gear pump is 15 amps at 60 psi but under max load this can climb much higher. Rough Idle. When cold (under 25 degrees), my Vibe will warm up for 30 seconds at regular start up RPM. and the truck drove normally. hey guys, Got a idle surging problem. I have had the coils and plugs replaced. Problem Still Exists Almost Causing Several Accidents. V10 motor good or bad. We buy a lot of vehicles and this is my 7th Ford in the last 10 years, including 5 F. Ford, Lincoln and Mercury cars and trucks: The most common cause of a misfire condition on the newer Ford cars and trucks are faulty ignition system components. hello all and thank you in advance, I have this 04 e450 with a 6. When I start it up again it wont idle so I have to keep my foot in it to make it run. The truck runs like a champ and has no problems besides this. Any diesel owners know if idling is bad for the engine? A buddy of mine has been hauling around my Bobcat and we've been doing some light snow removal, and while we're clearing snow, he just lets his truck sit and idle, saying it's better than to shut it off and then turn it back, plus it keeps the cab warm for when we're going again. "Beat it like a red-headed ford" 1987 v10 Silverado 4" RC, 35's, 700R-4, 3. The Ford V10 is a very reliable motor, and has been known to exceed 300,000 miles. Kind of a low idle too at about 500rpm which is still going. I have 5 v10 trucks, all 5 failed on the right side. If you're having problems with an early model, 1994-1998, or a late model, 1999 to 2003. Ford Expedition Stalling Problems. Ford Motorcraft Warranty - Click Here. 9 that i have done alot of work too. This is done through the vehicle's computer system and then sends the information to the components. There is no check engine light and there are no codes on the computer. When Ford vehicles break (and they break a lot), they do so in certain ways. Fords V10 6. A 1999-2001 V10's had the plug spitting issue. L LT ADAP % -24 R LT ADAP % -32 (Left and Right Long Term Fuel) ECT seems to be working. After two hours of highway running, the engine will fail at idle. 3, and don't hold their value like the diesel. converter actually sends signals to ur comp. 8L idle surge No Codes: Engine surges at idle. We had two identical 25- passenger coaches, one with the V10 and one with a 7. and Ford replaced the engine under warranty. I have a few updates, I noticed that when you first start the truck it runs great (no miss or stumble) for about 45 seconds. The 2004 Ford F-350 has 5 problems reported for engine jerks, stalls. 1986-1993 Mustang 5. 4L, not the 4. This old beat up '99 Ford F250 is suffering from a very rough, surging idle, as well as hard starting in cool damp weather. Page 3 of 4: Troubleshooting P0171 and P0174 (Ford 4. 5V at idle will cure TC clutch chatter under light load conditions. With warm weather I get nothing. Sound familiar? from sluggish acceleration to rough idle. This truck is a 2000 model with the Triton V10, automatic transmission and only has 40,000. Signs and Symptoms of a Bad Idle Air Control Sensor by Richard Rowe Connected to the engine's primary air intake valve (the Throttle Body, or TB), the Idle Air Control (IAC) valve is responsible for making minor adjustments to engine airflow. it just stops running. 5 volts with engine running at idle. Could it throw a code without the check engine light turning on?. July 2006 in Ford. Got something strange going on with my 04' Ford box truck with the V10 engine. 0L V6 with four extra cylinders or as a 5. The fuel pressure is spot on. Could it be the MAF sensor or an O2 sensor? 1999 Ford F-250 Super Duty XL Crew Cab SB-. The EGR Vacuum Regulator Solenoid is the second electrical component of the EGR system of your Ford (or Mercury or Lincoln) car or truck that you'll be diagnosing with the help of this article. I've been searching the newsgroups for an answer to my problem and thought I'd be better off posting, so here goes! I recently purchased a 1989 F150 Supercab 5. Maintains the battery's state of charge 2. The cruise control system in most Ford vehicles is pretty reliable. Loading Unsubscribe from DoingItCheap? 99 Ford F250 5. kellerody wrote:I am the guy that limited5 is talking about on the other forum. Fixing the miss or rough idle on a Ford V10 Back. Our certified mobile mechanics come to you 7 days a week between 7 AM and 9 PM. Problem could possibly be Electrical or Engine related. Chevy or any GM vehicles: Faulty spark plugs and ignition coil or coils depending on the ignition system. What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. 5 volts or up to 1. Vehicle may idle rough and stall. 3, and don't hold their value like the diesel. 0 5 engine surge at idle speed 2 Answers. add a comment | 1. The truck runs like a champ and has no problems besides this. The Ford Excursion is known for intermittent rough idling, which may be accompanied by illumination of the check engine light, and poor fuel mileage. The truck drives great, the only thing I notice is the rpm fluctuating down at idle once in a while. Throttle Position Sensor/Switch A Circuit High Input. Full Size Ford Bronco Forum Since 2003 A forum community dedicated to all Ford Bronco owners and enthusiasts including the new 2021 Ford Bronco. Well now it misses at idle to 55 MPH. Is the idle surging up and down?. After spark plugs. I have a 2000 ford excurion v10. I did look at the a/c clutch and it is not the a/c cycling on. We have had nothing but trouble with or 2016 Ford escape, it has been in the ship more the 6 times, they even had to replace the transmission once all ready, and we still have power problems… they have factory reset it 3 or 4 times, we had radio. V10 motor good or bad. Once it is warmed up it runs great. The RV has 25,000 miles. Vacuum leaks in MAF systems will usually cause a rough idle, but often will not result in surging under cruise. Misfires can occur at idle, when the engine is pulling hard under load, at high rpm and during throttle transitions as the air/fuel mixture changes. So a little bit ago I had some surging in my V10. 75, the best running was around. Since the idle air control valve is supposed to manage the idle speed of the engine, a bad valve will certainly throw that out of whack. So it has always used a bit of coolant but I cannot for the life of me figure out where it is going. Mike: One of my gripes with unemployment reports from MSM is that they compare apples to oranges. Ford E-350 Rough Running Engine and Possible Check Engine Light - 62 reports. Used Cars New Cars My Triton V10 started surging at idle speed whether in park or neutral but worse in gear. to just a bad design on the 3 valve engine. TCAUSEY MEMBER; 2005 FORD F-150 It came up with code P0506. This old beat up '99 Ford F250 is suffering from a very rough, surging idle, as well as hard starting in cool damp weather. I have a 2000 ford excurion v10. Engines should run smooth and evenly when at idle, never fluctuating in rpm or dying. Surging during warm-up then random misfire at idle. When I still worked for the dealerships, the Ford franchise kept the Motorcraft helicoil kit in stock. The other night it started to run rough at idle. I've had quite a few of the 4. 4 Ltr Stalling At Idle And Losing Control Of Vehicle. If this vacuum hose is cracked or missing, you may experience a rough or surging idle. Ford F-250 & Ford F-350 - F250 Super Duty V10 misfire - Hi new here and am really impressed with what I am finding here, looking forward to being a regular! I just bought a mint 1999 F250 Triton V10 (5 speed) and now less than a month after getting it I have a low speed miss I just can't seem to solve. On occassion when I turn the engine off and attempt to restart I have difficulty. Other Important P0171 and P0174 Tests. sgood Posts: 1. Fords are designed to operate with the resistance in the solenoid in a range between 7. Because of e-mail inquires about a very common problem with PO171 & PO174 Lean Right Bank codes on the 6. Vacuum 20 inches at idle. With a condition such as this, it is normal for it to run rougher when electrical components are tuned on and it is normal for a car to run rough when the idle is to low. I made the the fix and at least it runs and I can drive it. The 2004 Ford F-150 has 9 problems reported for stalls out when coming to a stop. I have 1996 460 ford. Would a surging or misfiring engine cause driveline chatter or driveline pulsing upon acceleration while climbing a hill ?? jyrostng > Ford V10 engine surging idle and power , help please ?? Search: Advanced Search Search only in Class A Motorhomes. We're not talking about a knocking engine or one that idles rough or stalls. They changed the spark plugs and charged me $520. I found the problem with the surging & erratic idle. 2 7 L Ecoboost Issues - You're seeking articles on our blog within the headline 2 7 L Ecoboost Issues of choices of articles. Rough hesitation and stumbling at different speeds. The 2004 Ford F-150 has 9 problems reported for stalls out when coming to a stop. 1999 Ford F350 Regular Cab. So I have a friend brake torque the truck while I grounded out the stark plugs one at a time. Throttle Position Sensor/Switch A Circuit High Input. This plate allows MORE air in to maintain a steady idle. Ford V10 engine surging possible causes ?? I know changing spark plugs in a V10 of a certain age can be iffy since the heads were a bit short on threads, but I. the RPM's do not move up or down as it surges. Ford F150 Forum. I know this is not normal, is it just a matter of something dirty or could it be a bad part? I have NOT seen the check engine light once turn on since I bought this truck. "Beat it like a red-headed ford" 1987 v10 Silverado 4" RC, 35's, 700R-4, 3. Simply drive the vehicle for a short time for the idle to subside to normal operation. Tried NEW MAF sensor (twice), DOES SAME THIMG. Great site, First post here, got a few questions. This only lasts during that special (dunno what you call it. converter actually sends signals to ur comp. and have a fire extinguisher within reach in case something goes wrong. I don't think they have any other issues (although that's an inconvenient one), other than the bad fuel mileage that you would expect from a large gas engine. Also Ford calls these engines "modular" not because they share alot of parts (which is a misconception), but because the tooling that use to make the engines can be quickly reconfigured to produce any kind of the engines in the modular lineup. 3, and don't hold their value like the diesel. 55 Responses to “Ford Electronic Throttle Body Recall Affects Models Across The Brand” #1 Karen Blower says:. Since the idle air control valve is supposed to manage the idle speed of the engine, a bad valve will certainly throw that out of whack. Now for the road test. Measure the resistance of the solenoid in a Ford. The EGR valve and sensor must be replaced together to correct this concern. all around 130k to 140k miles. I’d add to make sure all the routine engine maintenance is up to date. Helpful Information. Ford F-350 Super Duty Engine hesitates during acceleration Inspection at your home or office. Took it out on the highway and had full power. I’d add to make sure all the routine engine maintenance is up to date. engine surge at idle speed - My Triton V10 started surging at idle speed whether in park or neutral but worse in gear. I have a 2000 Year ford V10 chassis on a thor hurricane. 2013 EB V10 Agile 4x4 SMB PH. So this idle surging stuff,, is it like raaaaar rooooooor raaaaaaaaar roooor you feel me? like the idle goes up and down?. The idle speed may be too high at one moment and then too low at other moments. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. Ford Motorcraft Warranty - Click Here. It is intended to help you map out a troubleshooting plan. It will continue to fail at idle until it cools for one day. It runs good under acceleration, but as soon as I ease off the gas and start crusing down the road at any speed, it starts an erratic miss where. The 2004 Ford F-150 has 9 problems reported for stalls out when coming to a stop. They made it worst!. The idle speed adjustment shouldn't be used to fix some other problem. On occassion when I turn the engine off and attempt to restart I have difficulty. The engine is not difficult to get to in those models. 8l V10 Low Idle and Surging Click Here to Login: and the Ford method has to monitor the 02 signals are varying RPMs.