Quote:
Originally Posted by danielsatur
Good job!
You probably weeded out a few problems with filters + cleaning.
1) Check the plastic, seals, and rubber on your PCV system, any unmetered air leaks will cause lean codes.
2) Don't forget to clean your MAF/IACT sensors.
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Unmetered air leaks? How do you determine this....All my work has been researched on this board...do I need to take it in to a shop? apprx. cost
Also would a faulty plug cause these codes?
PCV system? location?