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EF CRX/Civic + DA Integra CRX/Civic (88-91) and Integra (90-93) Discussion

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Old 01-20-2015, 07:35 AM   #1
Cervantes49
 
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B18a1 code 4 question

I have a 91 dx hatch with a b18a1 swap not done by me. Ive owned the car for about a year the wiring is really crappy some connections dirty but i working on it. So what happened is i reset my ecu to get o2 sensor off. Once i reset it and turn it back on code 4 popped up. Tried reseting it again because it isnt the first time i get code 4 but it is the first time that code 4 goes away after reseting my ecu again.

I put a new distributer on from autozone and still code 4 plus code 8 i believe it was TDC .
Reset ecu tdc code gone

So im lead to believe maybe bad wiring?

How exactly do i do a continuity check
Is continuity good or bad to have on the 7 pin plug that goes on my dizzy
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Old 01-20-2015, 09:18 AM   #2
cbaracing
 
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99% of the time it is wiring issues with 88-91 civic/crx and that goes especially for swapped vehicles
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Old 01-20-2015, 01:37 PM   #3
Cervantes49
 
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Thanks cbaracing

Ok what test could i do to find out if wiring is messed up

Please detail explanation on testing ive searched google for 3 days maybe im typing wrong questions but i have never battled with wires
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Old 01-20-2015, 03:32 PM   #4
cbaracing
 
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well the problem you are having is 2 fold. one is nobody ever ever gets 88-91 civic/crx wiring correct when converting a harness for a swap. two is aftermarket distributors suck and are sometimes wired incorrectly

the way to accomplish what you need done is to sit down with 2 factory service manuals and trace the wiring. one for the car you have and one for the donor engine thats in there
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