...O2 sensors bad at one time most likely coolant temp sensor is bad causing engine to run rich this will cause O2 sensors to throw a code(thats what they are there for..exhaust gas temp. and raw fuel) ...
...code po174 just had dealrer replace 2 o2 sensors- codes were po171 and po174- worked OK for around 100 miles and then ck engine light back on but only with codes po174 now??? Check wiring to
Question about Pontiac Vibe
I have a P0138 code reading on my Jeep Liberty. I allready replaced a faulty O2 sensor. What else could be wrong and how do I fix? Have you checked about the Catalytic converter?
...O2 sensor, PVC foam on the air mass sensor, throttle position sensor, etc. It is just like any carb engine when the mixture is bad. You can't just read a number and know what to replace. You have to ...
p0138 01 code check engine light p0138 - oxygen sensor circuit high voltage.need to check or replace O2 sensor
...o2 sensor voltages while the engine is running in closed loop. This code you are displaying is NOT an easy solution to trace down. I expect you had an exhaust leak and is why the cats were replaced? ...
...DODGE: Code Meaning, Causes, Symptoms, & Tech Notes (engine-codes.com) Dodge ram o2 sensor problem your story - YouTube CODE P1128 P1129 FIX DODGE JEEP CHRYSLER FIAT ALFA ROMEO LANCIA - ...
...fix what it is tripping, usually a o2 sensor or something wont effect car much to where you will notice but will throw a code till replaced, good luck let me know what you find out bud. Erik U.S. ...
...replace PCM, MAF, or O2 sensors as these are not the root cause of the problem..... these conditions are caused by a vacuum leak 1. Fuel Pressure Regulator vacuum line on the intake manifold end 2. ...
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