2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

'91 vertwon't stat after replacing OMP

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Old Apr 25, 2010 | 02:00 PM
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'91 vertwon't stat after replacing OMP

My car died a few months ago while I was driving so I towed it back to my house and checked the CEL code. I got a bad OMP code so I replaced it with a known good used one and it still won't start. I de-flooded it to make sure it wasn't flooded but that didn't work. I re-checked if there were any CEL codes an there is none. Should compression and spark be checked next? What else can I check?
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Old Apr 25, 2010 | 03:17 PM
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Sometimes when the omp goes itll take out the ECU as well.
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Old Apr 25, 2010 | 04:06 PM
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Originally Posted by Brodie121
Sometimes when the omp goes itll take out the ECU as well.
Care to explain how that takes out the ecu before I go to the junkyard and buy one?
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Old Apr 25, 2010 | 04:27 PM
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https://www.rx7club.com/showthread.p...&highlight=omp

4th post down i believe

not the same symptoms but it is a possibility

Last edited by Brodie121; Apr 25, 2010 at 04:31 PM.
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Old Apr 25, 2010 | 04:29 PM
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Yeah. You NEED to check for spark and fuel prior to chunking good money after bad. Takes but moments to do so (not chunking money, the other thing mentioned).
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