Fault code p0440 for 2002 chevy venture, replaced gas cap light back on. with the same faults
I had that exact code a couple weeks ago. Mine needed new oxygen sensors. They(there are 2, only one was throwing a code, but I had both replaced) cost a little over $100 to have replaced.
where is the sensor located at and if u can provide the details thanks
The upstream sensor is between the catalytic converter and the engine, the downstream one is between the catalytic converter and tailpipe. I had my mechanic replace them, so my cost was what I paid him to do the work. If you're handy, and able to do the work yourself, it would probably be less.
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02 CHEVY VENTURE P0730 AND U1000 VAN HAS USED TRANNY W90K
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