Check engine light code P0171 and P0174
#1
01-07-2009 | 11:47 PM
Thread Starter
Joined: Jan 2009
Posts: 1
Check engine light code P0171 and P0174
I have a 1996 ford bronco with a 5.8 liter. Run a code reader and comes with P0171 and P0174 codes. Checked hoses and everything looked fine. Not sure what to check now. Please let me know if you have any ideas. Thanks.
#2
01-08-2009 | 04:18 AM
Senior Member
Joined: Jan 2007
Posts: 2,207
From: Yorkshire, NY
RE: Check engine light code P0171 and P0174
P0171/P0174 (Bank1/Bank2 lean). I would start with cleaning the MAF sensor with MAF Sensor cleaner. If that doesn't clear them, I would suspect intake gasket(s) leak(s).
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