Subject	Could use a test light LED to monitor the injector signal
Posted by	jzack on December 10, 2018 at 9:35 AM
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In Reply To	1992 300zx TT posted by ZTom on December 09, 2018 at 09:50 PM
Message	from the ECU and see if it blinks while car is idling. That would be a good way to verify if the ECU was signaling the injector to fire. Just be sure a low current LED tester is used. If LED remains on all the time, probably a bad ECU. If it blinks, injector is probably stuck open. BTW - Why do you believe the issue is with #4 cylinder?
Follow Ups	1992 300zx TT - ZTom 21:50:06 12/09/18 Could use a test light LED to monitor the injector signal - jzack 09:35:38 12/10/18 Re: Could use a test light LED to monitor the injector signal - ZTom 13:46:05 12/10/18 A stuck open injector doesn’t mean the ECU is bad. - jzack 14:18:29 12/10/18 ^Yeah - -Grimm- 15:51:52 12/10/18 Re: ^Yeah - ZTom 22:35:44 12/12/18 Yep. The electromagnetic coil has no effect on the - jzack 23:25:54 12/12/18 Re: Yep. The electromagnetic coil has no effect on the - ZTom 22:43:09 12/14/18 Re: Could use a test light LED to monitor the injector signal - ZTom 13:48:49 12/10/18 Here you go - -Grimm- 13:52:39 12/13/18
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