Questions & Answers for: truck engine codes po171

...po171] from stop, pushing acc. causes timing to go to -1 w/ no engine tach increase. After 5 seconds w/ acc depressed engine starts to rev. up. from then on every thing is normal until you come to ...

...po171 system too lean in bank 1. clean your mass airflow sensor, replace fuel filter. iff all else fails check you fuel pump. error code p0171 is system too lean on bank 1. if you have a 4 cylinder ...

...po171 for engine running lean getting a trouble code po171 for engine running lean. possible missing vacuum hose on intake manifold. need vacuum diagram for 2001 kia sportage 4x4 where the hell do i ...

...engine misses going down the road , also let car sit and idle and it shuts off after about 2 minutes , my code reads PO171 system to lean bank 1, changed co2 censor, mass air flow censor, plug wires, ...

po171 check engine light comes on after my car is started if i reset it cut my car off and start it again the light comes back on with code po171 The trouble code is related to a lean engine fuel trim

engine codes PO171 & PO174 check engine light on / code are PO171 & PO174 .How to fix the problem? You should be replacing all upstream oxygen sensors, the ones at the inlet or pipe before the

engine codes po171,po174, p2104,p2111, what do they mean? Lean bank 1 and bank 2 , and throttle actuator system fault. Check reason for lean codes 1st, vacuum leak(s), air inlet boot and hoses, or low

...truck seams to run fine.I need some guidence as what to check. Thankyou with the engine cold spray the intake manifold near the gasket with the carb cleaner see if the idle changes if it does replace ...

...PO171 means? I have a Toyota Corolla S 2012 and the lights check engine and trac off come on,I take it to the mechanic and get scanned,so the code was PO171 what is this mean? What is the problem? ...

...codes any ideas? P0301 is a engine misfire code for #1 cylinder , spark plug or plug wire problem or a bad fuel injector . Po171 system lean code . Lack of fuel , clogged fuel filter , vacuum leak . ...