engine acts up on 2002 Ford F-150

My 2002 f-150 sometimes skips badly to the point that the truck bucks. It does not always do it, but does it quite often. The problem seems to occuring at the top rpms in each gear. Does not seem to do it when idling. Codes indicated EGR, PCV, and numerous other problems. Replaced them to no avail. Check engine light stays on. 4.2 (6cyl) with standard trans

by in Lakeland, FL on January 03, 2009
2 answers
ANSWER by on January 05, 2009
This info is under the common problems section of Repairpal: V6 Engine The EGR orifices in the intake manifold may plug with sludge. If the truck has high mileage, this may cause engine misfire when first accelerating because too much EGR gas is directed into the cylinders of the unplugged orifices. This makes the mixture lean, which causes a gradual stumble that increases in severity until repaired
ANSWER by on October 12, 2009
I had the exact same issue with my 02 and thought my transmission was slipping. To go a cheaper route, I decided to replace the spark plugs since my milage was at 102k. Replacing the spark plugs did the trick.
Related Items:
I have a 1994 F-150 351cu.in.and auto transmission.Last yr.I had my tranny rebuilt at AAmco.It was slipping and shifting hard sometimes.Not all the time though.The told me it needed rebuilding.So i...
When I accelerate my truck starts to jerk and engine sounds like it is skipping, my mechanic tuned up my truck and replace some coils but its still doing it but not as bad.
I replaced my pcv valve, spark plugs changed recently, cleaned the maf sensor and new air filter. Still says system too lean after I reset the computer. Now my rpms act up when idle and feels like ...
I got this car a few days ago from a used car lot. It has 182,000 miles on it and runs good. But when I first got it, there was a strong burning smell like rubber or something. It is usually like t...

Related Content