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P0171 and P0174 CODES
Thanks for the info, even though its a bit cold outside I will need to take care of it this weekend. At least its suppose to warm up to 11 tomorrow- MARK JOHNSON
- Post #24
- Forum: Engine & Drivetrain
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M
P0171 and P0174 CODES
My issue with my 2003 Tahoe is when the weather gets below 35 the check engine light comes on and throws a PO171 and PO174 code and runs rough at idle. After the weather warms up past 35-40 the check engine light will turn off and is fine. This has me very confused, Any other experiencing the...- MARK JOHNSON
- Post #21
- Forum: Engine & Drivetrain
