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. It had 5,700 miles on it at purchase, and now has 19,000. I have a programmer so I can read all of my codes. Now, it's got a rough idle and from time to time when driving at 40 MPH it'll studder and the motor seems to jerk. - Let me describe this perplexing issue. 2004 Ford F-150 TSBs 148 F-150 Technical Service Bulletins. If a coil pack goes bad, itâll cause a misfire and rough idle condition. I haven't gone to get it looked at and I want to see if it's Shudders at idle, no real power, rattles under acceleration. If the engine is older or has higher miles on it, the typical culprits will be dirty sensors and carbon deposits on engine head components. Ford can't find the problem or get it to duplicate ⦠When I come to a stop it will almost die it is running so bad. if I hold the rpms back up to 1000 when cold the rpm's go up and down a little but runs fine when warm. Engine rough idle can be caused by a series of problems, or just one faulty component or adjustment. I have a 2004 F-150 with close to 138K, recently in 3/4 gear at 45-55 MPH when I barley step on the gas the engine hesitates and bucks, pretty rough sometimes. 2004 F150 rough idle? The engine idles rough when warmed up and has no load. Multiple times to the dealer, one TSB done with no success. i disconnected the battery and reconnected to go thru the relearn proceedure, and now there is no throttle. I have a speratic rough idle problem. The 2004 Ford F-150 has 9 problems reported for stalls out when coming to a stop. Any help would be greatly appreciated. Top. 2002 F-150 5.4 rough idle / shake Please Help !!? First thought was to pop the hood and look and listen for vacuum leaks which we did as this would be the most common cause of this idle and surging condition. Truck: 2004 F150. Ford F150 Ecoboost Performance Parts and Tuning. When it happens it's almost like the truck wants to stall. Vehicles affected are the 2004 - 2010 model year Ford F-150 pickup truck, the 2005 ... Don't forget to mention TSB #14-0114 "Intermittent Rough Idle, Rattle Noise While Driving." But it ⦠My 2004 5.4 will idle very rough after driving higher MPH (highway). Misfires. 2009 - 2014 Ford F150 - 2010 5.4L 3V Rough Idle - Help - Hi Folks, Read a number of helpful threads related to my issue, still no luck. Really, your F150 will be running rougher at any RPM, but a misfire will be most pronounced at idle. The 2008 Ford F-150 has 8 problems reported for rough idle. 2004 - 2008 F150 - 2004 F-150 - Rough Idle HELP!!! Of course the problem is intermittant. The hesitation is accompianed by a vibration. 2004 F150 RUNS ROUGH AND stalls while coming to a stop. How to Do an Idle Relearn. I have about 12 codes. timing was done correctly. Back in may, my 2010 F150 5.4L 3valve through a P0345 bank 2(drivers side) with a P0349 pending. pushing the peddle does nothing. A rough idle can be caused by many problems, e.g. Ford F-150 (2004-2008) :: Idle Really Rough When Put In Reverse After Oil Change Okay I have a 2006 F-150 5.4 60,000 miles , Never once had any problems. 2001 F150 sometimes has rough idle & hesitates under light acceleration, but if you mash the pedal it runs fine. Learn about this problem, why it occurs, and how to fix it. A uneven idle on a F-150 can be a symptom of a variety of engine issues such as vacuum leaks, failed or dirty sensors or worn engine components. Have a 2004 F150 when fist start up in the morning after the rpm comes down I get a rought Idle but as the engine gets warrm the idle is smooth. It started out with a camshaft position sensor issue on bank 2, and that was it. Been fighting with the infamous "rough idle" situation on my 1996 F-150 w/ 5.8L (351 w) for months now, and I set out to "shotgun" the sumbitch until I found/fixed it. Bigresource.org Ford F-150 2004-2008 Rough Idle Bad Gas Mileage Stalls Out RPMs Jumps Around I bought an 04 f150 super crew cab with the 5.4L triton in it 3 years ago with 50k on it from my great uncle who was the original owner. Q: Been having this issue with a 2007 F-150 (5.4L 3v) I bought back in July of 2016. 2004 f150 runs rough Replaced MAF, VCT solenoids, plugs and COP, one code says too lean bank 1, others have finally been cleared included too rich bank 2, misfire 2 and 3, misfire first 1000 revs. If I kill the engine and restart it it runs great. Post by mkratzer » Thu Jun 03, 2010 4:53 pm. However, the most likely causes come from the basic operating ⦠Gets better with A/C or defroster on. Once going the truck is fine. When I start the truck cold, it will idle fine, can drive it, start, stop, and it will operate smoothly. 2004 5.4 very very rough idle. I have always done the oil changes myself using 5w-20 mobile super and an S2 STP oil filter. Ford F-150 Engine Runs Rough at Idle - 174 reports. I have checked and cleaned the throttle body. 2004 - 2008 Ford F150 - Vacuum Hose Collapsed, Rough Idle - 2005 5.4 XLT 2WD (199,xxx miles) I have a sporadically occurring P0300 code (random/multiple cylinder misfire detected) following a cam phaser & VVT sensor replacement/rebuild heads/oil pump/timing job. Average repair cost is $30 at 99,500 miles. my 04 f150 had a rough idle and would sometimes stall out. 2004 f150 rough idle installed new plugs, and ethenal free high octane gas , also tried fuel injector cleaner . 1. runs rough at idle rpm is around 800 seems low never had egr checked . I did an oil change today and the old oil smelled of gasoline. Finding the problem can be daunting, especially with so many sensors and switching valves involved. I replaced the throttle body a few months ago after a few weeks of my truck not running right. no change in performance, talked to two local yamaha dealers , said to try yamalube ring free fuel additive , runs worse now , seems like it is starving for fuel , slugish take off , slow top end. Lately, when towing the camper (around 7000 lbs), truck runs great. Average repair cost is $300 at 68,900 miles. Report. Soon after purchase, the rough idle was noticed. However, when I come to a stop, it idles horribly and even stalls sometimes. So, when forum member darknessmatters began experiencing some issues with his 1997 Ford F-150, thatâs exactly where he went for help. Ford F-150 (2004-2008) :: Rough Idle When Come To A Stop And Even Stalls Sometimes. F150 hard to start, stalls, rough idle Fix F150 hard to start, stalls, rough idle. cleaned moisture separator bowl and filter , not dirty.what about vst filter? 04 F-150 XLT 4x4 with the 4.6. w/rough idle. MAF cleaned, and new air filter. put in new plugs and checked for vacumn leaks. Recently we came across a 2005 Ford F150 with a 5.4 liter engine that was stalling at idle and had a surging condition at lower engine rpms. Itâs been having idle issues where it tries to idle lower than 800 rpm and then surges to 1500+. the truck runs fine when i first start it but once it warms up it start to sputter when i give it the gas. Spark Plug Wires â While not every model and engine combination of vehicles today comes with spark plug wires (a lot are now coil on plug), if your F150 happens to have them, they can go bad and cause a rough idle. Once I give it a little bit more gas it clears up and runs fine. Fixed the problem. âI just bought a 1997 Ford F-150 XLT 4.6L. truck runs rough when it warms up 16 Answers. 2006 Ford F-150 124,847 mi, Noticable in park, worse in drive when waiting at a light. Technical Service Bulletins, or TSBs for short, are notifications made directly by Ford to help automotive technicians diagnose and repair commonly reported F-150 problems. i have a 2004 f150 with a 4.6 engine . We will discuss some of these causes so that you can easily determine why your car is rough when idling. Help!. If you have a 2010-2011 Ford F150 hard to start issue or a Ford F150 rough idle and stalling along with a P1450 trouble code, usually following a gas fill-up. I have a 2004 FX4 5.4 with about 113,000 miles on it. Ok once in a while when I turn on my 2002 Ford F-150 the RPM's go from 1000 to 800 then back to 1000 over and over and this is at idle. I have taken it to the dealer twice and have been told to wait for a check engine light. a damaged fuel injector, a worn air filter, a bad spark plug, etc. Finding the ⦠dealer said it was throttle body so I replaced. The idle - Ford 2004 F150 question new timing chain, guides and tensioners. the engine light is on but not blinking. Dealer replaced Idle air control valve to the tune of $200. HELP ! Ford F-150 ... 2004 Ford F-150 164,000 mi, Visitor. I have a 2004 Ford F150 and recently it has started with a rough idle and loss of power.
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