1996 Code Dodge Pcm Stratus
Question: 1995 Chevy Impala
My 1995 Chevy Impala LT1 stalls at idle sometimes. I've had a scanner hooked up to it before that has gotten error codes indicating the right side (according to Haynes manual) or passenger side, I presume, O2 sensor needs replacing. Happened at 90,000 miles. Haven't been able to remove it (frozen on) yet. Car still runs okay, but an independent O2 sensor (3rd) I installed in the "H"-pipe exhaust shows some leaning conditions at idle.
Ever heard of the possibility of cleaning up O2 sensors after removal? Could it be fuel injectors? How about cleaning these up after removal, like soaking them in something? Could it be the PCM? I just don't trust the brain and scanner set-up. Had an ignition failure prior and was chasing all sorts of misinformation with it. Turned out to just be a bad aftermarket ignition wire.
Bill Ricker
Answer:
I've heard of cleaning O2 sensors, I just never heard of it working. Same for fuel injectors. The injectors need to be installed in the vehicle for any chance of a cleaning to work. It's the pressurized cleaning solution that does the work, not just the solution by itself.
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