Originally posted by TronX:
The O2 simply unscrews from the exhaust manifold between the engine and the radiator.
Since this engine only has one O2 for fuel metering, there is no simple way to tell if the O2 is bad or if there is another problem affecting the mixture.
Standard procedure for this code would mean cleaning the MAF, looking for vacuum leaks, and changing the O2.
There are two o2 sensors, the pic you posted is the one that goes bad (other one goes bad, but rarely).
I use www.oxygensensors.com for replacements.
98.5 SVT
91 Escort GT (almost sold)
96 ATX Zetec (i brake to watch you swerve)
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