97 TJ distributor cap oxidation - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 04-16-2003, 02:12 PM
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97 TJ distributor cap oxidation

on my 97 4.0L TJ i just changed the cap and rotor not 3000 miles ago , yesterday when i checked what it looked like, they were both full of oxidation, what would cause that to happen in 3000 miles or so??? also my check engine light on and said error code
- 12 Direct battery input to PCM was disconnected within the last 50 Key-on cycles.

-43 - Peak primary circuit current not achieved with maximum dwell time. Misfire detected in one or more cylinders 1 thru 6. (4 and 6 cyls.)

anyone got any ideas if thats all connectedd or not? the jeep idles fine...
thanks! [img]images/graemlins/givemebeer.gif[/img]
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post #2 of (permalink) Old 04-16-2003, 05:08 PM
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Re: 97 TJ distributor cap oxidation

Use premium caps and rotors - the ones with the brass terminals. The aluminum ones will oxidize as soon as you put it all back together.

The error codes are:
1.) You disconnected your battery.
2.) Misfires occured (duh!). This may or may not be related to the oxidation on the cap. Switch to a premium cap and rotor and you'll be in much better shape.
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post #3 of (permalink) Old 04-16-2003, 10:36 PM
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Re: 97 TJ distributor cap oxidation

ANyone have sources for brass cap and rotors? Autozone here only has cheapie aluminum
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