Questions & Answers for: GMC code p0174

...link for additional info on this http://www.obd-codes.com/p0174 Sincerely, JC I have a 1996 gmc truck the service ligth is on ckeck with code reader came up P0154 bank 2 senor 1 what is it?thank ...

Yukon Denali Fuel Trim bank One and Two running too lean? SES light is on and the pcm codes of P0171 and P0174 popped up on the OBDII. Replaced the MAF sensor, reset the the PCM and drove it. Sure ...

P0174. I have changed all the vacuum line and the PCV, throtle body gasket, MAF, plugs wires, fuel pressure reg. All was changed and the codes always came back.I finally noticed the purge valve on the

...code P0171, P0174 po171 fuel injection system to lean bank 1 po174 same thing but bank 2 that could be the oxygen sensors Highly unlikely a sensor problem. More liely a dirty MAF or a vacuum leak.. ...

OF P0171 AND P0174? this code are similar to engine misfire, chek the fuel system and pressure, air intake ratio, (injectors, fuel pump, maf, iac, vacuum hose, intake manifold), you mustcheck all this

...Soon" I have a 2001 Jimmy with "Service Engine Soon" light on. Went to Auto Zone to run codes and have a p0171 and a p0174 error codes. P0171 System too lean bank 1 P0174 System too lean ...

...p0174 code, it almost instantly pops back up. Is the MAF shot? What should its lb/min be? Could my O2 sensors be the issue? Oxygen sensors shoult be replaced about 65 thousand to 85 thousand

...P0174 Code PCM software needs to be updated Vacuum leaks (Intake Manifold Gaskets, vacuum hoses, PCV hoses, etc.) Mass Airflow Sensor (MAF) Plugged Fuel Filter or weak Fuel Pump Plugged or dirty Fuel ...

P0174 code, it's very likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. If the problem persist

...code specifically say's there is a vacuum leak . P0171 - P0174 lean condition ! Could be caused by lack of fuel as well , plugged injectors , fuel filter , low fuel pump pressure etc... How to ...