Skip to main content

15% Off Selected iFixit Tools — Limited Time
Free Shipping on Domestic Orders $75+

The 2015-2020 Ford F-150 is the thirteenth generation of this full-size pickup truck. It's known for its innovative aluminum body construction, powerful engine options, and advanced technology features, offering a versatile and capable vehicle for both work and everyday use.

Check engine light will not shut off

I bought my F150 ecoboost almost 3 years ago. When I bought it it had the check engine light come on almost immediately. So we put it on a diagnostic code reader it said something about the #2 cylinder running lean. So we purchased all new coil packs for the truck, installed them. It ran great for about 4 months, then the light came back on, still reading the same code but this time the engine would sputtering when accelerating to pass another vehicle on the road, and when it shutters the engine light flashes until it smoothens back out. What am I missing?

Answer this question I have this problem too

Is this a good question?

Score 0

1 Comment:

This question was migrated from https://meta.ifixit.com/Answers.

by

Add a comment

1 Answer

It might be your scanner - cheaper scanners can sometimes give you trouble clearing permanent codes even once fixed if they have silent communication issues. You probably need a better scan tool. The ones I have had good luck with on difficult codes are usthe Innova 5610, the Xtool IP616* (I have the V1 with limited bidirectional support as it was added to my pre upgraded IP616) and a fully bidirectional Vdiagtool. You want one with eOBD OEM codes.

This still kind of works but on ~2015 and up, not as much for emissions codes and such (even borderline P codes) due to the EPA but sometimes the pull the battery for 30 minutes trick still works for "active" and "history" codes. It isn't as effective as it used to be but it's still a option.

Was this answer helpful?

Score 0
Add a comment

Add your answer

Mikayla Nelson will be eternally grateful.
View Statistics:

Past 24 Hours: 2

Past 7 Days: 18

Past 30 Days: 18

All Time: 18