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Old 23 May 2009, 02:01 am
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Default how do i test my 1991 acura integra ecu?

I have all the classic symptoms of ecu failure but I want to make sure before I buy a new one. How can I test it without replacing everything that it might be first? Process of elimination can be very expensive!!
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Old 23 May 2009, 02:16 am
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maybe borrow one real quick
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Old 23 May 2009, 02:31 am
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Arent there readers that you can buy. Maybe like an odb reader for a chevy or code diagnostics
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Old 23 May 2009, 02:46 am
Les Les is offline
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What you need to do is buy the Acura factory service manual from www.helminc.comOnce you have that manual, you can test all the inputs/outputs from the computer and during the testing, your results will tell you whether it is the computer or a series of failures from inputs outputs etc.Otherwise, you might just want to go to a junk yard and see if you can pull or buy a used ECU that matches the codes on the one in your car. Even the junk yard might give you a small warranty period on the ECU but I'm betting that it wouldn't cost all that much considering the time it's going to take to test all the inputs/outputs.
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