Originally posted by sk8token:
... I should have known better... the hot exhaust started trying to melt nearby fan wiring, etc. ....I would do the test in your driveway and only VERY briefly, or find some way to heat shield your underhood area in front of the open exhaust hole, then go for a drive.
Tony, it would be great if you could add this warning to your cat test for Zetec owners, just so they learn from my mistake. The upper O2 sensor hole points directly at some wire harnesses.
...
I learn something new everyday. 
"Always do the cheap and easy ones first."
1996 V6 ATX 96K miles
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