Originally posted by cclngthr
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How to fix a wiring harness using Plasti-Dip.
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Originally posted by BrApple View Post
In the US there was TSB to reprogram the PCM widen the range before it set the P0420/P0421 codes. I do not recall any change in plug gap.
I did see Terry Haynes saying something that the UK did issue a TSB (not here in NA) on narrowing the gap to .039 or 1 mm. I have my plug gap set at .042, which I notice better performance and less emissions than with a gap of .052.
On the exhaust side, changing that completely to a 2 1/4 inch minimum with dual axle back exhaust or 2.5 inch single exhaust makes the cats happier,
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Ok an update on the harness,... the majority of the wire is now replaced but I still have to do some more connector repairs include one which I believe is to a knock sensoreven though most auto store websites say that the 1997 contour with the V6 doesn't have it. Regardless I know its the replacement for that connector, my dad also works at Pratt & Whitney so he was told about this "tephlon" like tape that sticks to itself and is rated at 500F that the shop uses on their wiring for the jet engines. Tape by Nashua. I'll include a few pictures of the state of the wiring harness.
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This gallery has 5 photos.1997 Ford Contour Sport (Duratec 2.5L with MTX)-Daily Driver-Overhaul 223,150 Miles: Now at 229,000 Miles
1999 Ford Contour SVT (Duratec 2.5L with MTX) #583 of 2760 T Green -Build In Progress (Engine Repair)
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