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Old 08-08-2010, 12:38 AM   #1
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Default Anyone here a C4 guy?

I have some flaky shit going on with my '94 C4.

It's a later 94, and thus actually is one that has an ODBII connector (thank goodness), and it's coding "36 - ignition system problem loss of high res pulse signal"...which would suggest a bad opti...but the fucking thing is kinda acting stupid all around...like occasionally throwing other codes, lighting the ASR Service light, and even the fucking A/C went to the zoo for a bit, until the car was restarted.

It spits, sputters, and acts up...and then the "check engine" light comes on, and she runs fine

I think it may be a bad wire, or connector, or maybe my ECM is hosed.

Anyone had any shit like this?

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Old 08-08-2010, 01:03 AM   #2
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Run through the wiring harness and check all of the sensors. I seem to remember my uncle having the same sort of trouble and he had some wiring issues. Dont quote me, cuz I am not positive. I will see if I can get in touch with him tomorrow.
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Old 08-08-2010, 03:48 AM   #3
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Thanks, Tom.
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Old 08-08-2010, 10:57 AM   #4
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I clicked on this thinking you wanted something blown up
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Old 08-08-2010, 11:08 AM   #5
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Faulty MAF? IIRC, that was a fairly common problem.
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Old 08-08-2010, 11:22 AM   #6
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Tracy (GRex) could probably provide some insight as well.
Oh he of the cursed C4.
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Old 08-08-2010, 11:59 AM   #7
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Quote:
Originally Posted by Adeptus_Minor View Post
Tracy (GRex) could probably provide some insight as well.
Oh he of the cursed C4.
I was deliberately not going there
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Old 08-08-2010, 04:28 PM   #8
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Quote:
Originally Posted by Particle Man View Post
I clicked on this thinking you wanted something blown up
If I can't diagnose the fucking thing, that just may be an option...

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Old 08-08-2010, 10:18 PM   #9
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Quote:
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I clicked on this thinking you wanted something blown up
Me too. Though that could be the ultimate answer.
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Old 08-08-2010, 10:38 PM   #10
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Mine hasn't done anything wonky like that, but checking the grounds does have merit, as the body is fiberglass, the grounds are even more important.

Mine is a '94 as well, and I have the factory service manuals, all 2000 pages worth. If you want, I'll look through the troubleshooting section and see if I can find anything that will help! If so, I can easily scan and email you a PDF.

The '94 has 7 separate grounds as I recall.

Anyway, let me know. I'll look and see what I can come up with.
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