what does p0171 and p0174 mean what part is it?
Nov 28, 2007 at 7:33 PM
code 1997 gmc jimmy 4wd
1997 GMC JIMMY
ESPBRAD
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BMRFIXIT
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The codes P0171 and P0174 both indicate that the engine's air-fuel mixture is running too lean. Here is a guide to help you fix it but I can tell you a clogged fuel filter, vacuum leak or a bad MAF sensor can cause this problem.
https://www.2carpros.com/articles/repair-lean-mixture-codes-p0171-or-p0174-on-some-manufacturers
Here is the locations for the MAF sensor and fuel filter. Check out the images (below). Please let us know what happens.
https://www.2carpros.com/articles/repair-lean-mixture-codes-p0171-or-p0174-on-some-manufacturers
Here is the locations for the MAF sensor and fuel filter. Check out the images (below). Please let us know what happens.
Images (Click to enlarge)
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Nov 28, 2007 at 7:42 PM
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.