2nd Generation Specific 1986-1992 Discussion

N350 ECU to N351, Problem pulling codes

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Old 02-10-2008, 08:11 PM
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I was wondering if this create problems or interference?



Let's say I disconnect the CAS and check codes... blah bla blah. The check engine light is supposed to flash X-amount of times. While in my case you turn the power on, the engine light turns off then comes on and stays on.. Anybody ever experience this?
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Old 02-11-2008, 01:57 AM
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I guess swapping the ECU is fine as long as it's in the same series (S5NA to S5NA). I'm still having problems with pulling codes, I can't find anything on this..
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Old 02-11-2008, 04:32 PM
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what are you diconnecting the cas for?
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Old 02-11-2008, 10:31 PM
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to see if it would throw a code, cause my previous ECU wouldn't show anything
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Old 02-12-2008, 10:43 AM
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oh ok, that could be tricky, cause it may have to crank to see it?
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Old 02-12-2008, 08:25 PM
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probly, I disconnected a solenoid and still nothing. I'm gonna try swapping out another ecu. If the ECU comes from an AT would it throw a code?
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Old 02-14-2008, 11:48 AM
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Originally Posted by ill_booger' post='894324' date='Feb 12 2008, 06:25 PM
probly, I disconnected a solenoid and still nothing. I'm gonna try swapping out another ecu. If the ECU comes from an AT would it throw a code?


yeah it should. disconnect the metering pump, plug is right next to the alternator. it'll throw that code
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