exhaust emissions
#2
#3
the oxygen sensor is on the exhaust manifold, and the MAF on the inlet manifold, my apologies for asking but this is the first time I have tackled an engine with these sort of controls
tom
#4
The oxygen sensors are further down from the exhaust manifold. It's on the actual exhaust pipe. If they are original to the car, then it's well past due to replace them. They owe you nothing more. I believe you should have two to replace.
MAF is well upstream of the intake manifold. Let's swap out the 02 sensors and see what happens.
MAF is well upstream of the intake manifold. Let's swap out the 02 sensors and see what happens.
#5
#6
JagV8 is right. If you aren't going closed loop, then that would cause the failure. The prognosis will likely be the same....oxygen sensors should only last about 50,000 miles, but people seem so reluctant to change them.
The Coolant Temp Sensor, a cheap $20 part will also prevent the car from going open loop.
After that it gets complicated with the MAF and the TPS.
The Coolant Temp Sensor, a cheap $20 part will also prevent the car from going open loop.
After that it gets complicated with the MAF and the TPS.
#7
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