WebJun 15, 2010 · The new truck (02 4.6) seems to have an odd idle issue that feels like a slight miss or injector. It only does it while sitting in gear with my foot on the brake. Put it in neutral or park and it's fine. It shows no thrown codes, cleanest smog test I've ever seen, and runs absolutely perfect otherwise. It's really not that bad but something has ... WebSep 8, 2024 · The exhaust heat can also bake the O2 sensor wiring going to/from them over time. If an oxygen sensor begins to fail, it can make your F150 run too lean (or rich). A super lean running engine will often shake when idling. The mixture would be wrong at all RPM, but the shaking decreases as the engine speed increases.
Ford F-150 Rough Idle - repairpal.com
WebApr 10, 2024 · If Your Ford F-150 has a rough idle the most likely cause would be a vacuum leak, check the main vacuum lines in the engine compartment and ensure that none of them have been damaged. Symptoms of a vacuum leak include the Check Engine light, rough idle, stalling and a hissing sound coming from the engine bay. WebMar 23, 2013 · Could this have an impact as well on rough idle. Dealerships sometimes overlook the obvious. Yes and that was actually the issue I had with mine not that long ago, vacuum line came off the throttle body and messed with the brake system and the idle, cheap hose clamp fixed it Reply Like The following users liked this post: caperJ (01-31 … roofing preventative maintenance service
Rough idle, Sputtering, No power and Dies - Ford F150 Forum
WebJul 15, 2015 · Very rough idle after warm-up I agree with Summers. It's probably running rough because the timing isn't matching what the PCM is telling it to do. When it's cold, the timing is locked. Once it warms up, the PCM starts to adjust the timing through the VCT solenoids and phasers. WebFord F-150 Problems. Find the most common driver-reported problems that are to blame when a Ford F-150 has a rough idle . See More Ford F-150 Problems. Engine Runs … WebI have a 2002 Ford F-150 with 106k miles that has a very rough idle. The check engine light came on about 2000 miles ago but the truck has been running perfectly so I didn't do … roofing production manager