Questions & Answers for: buick po171

...buick i get a code that reads system to lean bank 1 what should i check the maf sensor gas cap fuel filter if the maf is there a way to test it without buying new one first i get code po171 system to ...

Check engine light keeps coming on in my 2003 The ODB scan code is PO171 what fixes this issue? there are two reasons why this code will set 1st is a vaccum leak next is a bad mass air flow sensor if ...

...Buick Park Avenue starts hard when warm. Runs good. Code says lean fuel (0171) and P0452 Evap. Emissions Pressure Sensor low. Check the fuel pressure regulator on the fuel rail.It has a vacuum line ...

...buick park ave 3.8 reading a code po171 system adaptive fuel too lean how do i fix it Hello Charley. This code is most commonly set by an oxygen sensor that has become weak and is unable to generate ...

...po171 2000 buisk lesabre with 7500 miles on it could you give me some directions yo go with this Have 2000 Buick Lesabre custom every time car gets up to operating temp. the engine misses going down ...

buick lasabra engine code >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

...Po171 on a 05. Buick lacrosse Code 171 means the O2 sensor on bank one is telling the computer the fuel mixture is too lean and the computer can not make it go rich by leaving the fuel injectors open ...

...BUICK LESABRE LIMITED,VIN K. FUEL PRESSURE IS 44,SHOULD BE 53-59.I HAVE A PO171 CODE.IS 9PSI IN FUEL PRESSURE ENOUGH TO CAUSE THIS CODE? I HAVE CHECK FOR AIR AND VACCUM LEAKS,NONE FOUND You need ...

buick runs lean p0171 po171 buick right bank runs lean It is 3.8l engine and what year is the buick. Thank's What if your car makes sucking / whistling noise

my 2004 buik parkave egin light code is po171 and I can smell gas fumes from the filler area around left tire but I don't have any gas leaks any where what should I check P0171: Bank 1 System Too Lean