1992 Buick Park Avenue "po 140" Questions

what does code PO 140 mean code PO 140 Yes, PO140: O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2 P0140 Buick O2 Sensor Circuit No Activity Detected Bank 1 Sensor 2

...the diagnostic test the light went off on it's own but now is back on. po 140 is downstream o2 sensor bank 1 sensor 2 insufficient activity,and po 440 all my book says is evap system hope this ...

...PO 140 and PO 403 any idea what these codes mean? How can this problem be fixed? What could PO 140 and PO 403 mean as far as these are the two codes I got when I used a scanner on the car? Why would ...

...code 6 cyl with po 140 code The code is for bank one sensor two not working.  The O2 sensor after the catalytic converter is not sending a signal to the computer or the signal is not

08 vw rabbit po 140 code Is the O2 sensor grting bad?

...po 171 hope u can help it sounds like a vacume leak if you can put a extention on the bank1 sensor 2 the one behind converter Bank 1 system to lean below threshold that's telling you the system is ...

Po 140 and Po 138 codes for a Nissan pathfinder 2001 i just replace some 02 sensors and a mass airflow sensor, my check engine lite is on what can i do about it Hello! Which O2 sensor did you change? ...

140 hp (104 kW) North America the truth is, we put on a new belt and do leak down test. if fails look for bent valves. NO belt there test. or super brave and by HAND only put crank and TDC mark 0 zero

...po 113 comes up? 0113 Intake Air Temperature Circuit High Input The IAT has told the computer the air temperature is -40 degrees. It can be a faulty IAT sensor, a faulty computer (PCM), or the wiring ...

...pack and spark plugs and my 2000 deville is still stalling periodically I checked codes and got po 184, po 140, and po 155 and egr system what else can it after i replaced sensors check the ...