Engine check light is on. Running lean on bank one cylinder code PO171.
May 28, 2020 at 5:47 AM
Check engine light is on and code p0171
2007 CHEVROLET EQUINOX
DAN LUKER
- MEMBER
- 1 POST
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Hello,
This code is caused by an engine misfire, bad injector. lets start with a tune up and while the spark plugs are out please check the condition of the plug you are looking for one plug that is different from the rest.
This guide will help walk you through the steps:
https://www.2carpros.com/articles/how-to-tune-up-a-car-engine
and
https://www.2carpros.com/articles/repair-lean-mixture-codes-p0171-or-p0174-on-some-manufacturers
Please run down these guides and report back.
This code is caused by an engine misfire, bad injector. lets start with a tune up and while the spark plugs are out please check the condition of the plug you are looking for one plug that is different from the rest.
This guide will help walk you through the steps:
https://www.2carpros.com/articles/how-to-tune-up-a-car-engine
and
https://www.2carpros.com/articles/repair-lean-mixture-codes-p0171-or-p0174-on-some-manufacturers
Please run down these guides and report back.
May 30, 2020 at 4:42 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.