TwinTurbo.NET: Nissan 300ZX forum - Double check your Efi harness is seated in the ECU
Subject
Double check your Efi harness is seated in the ECU
Posted by
itsa300zx
on May 31, 2026 at 11:39 AM
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In Reply To
Injectors 1 and 2 not firing
posted by ctheobal
on May 29, 2026 at 07:29 PM
Message
Inj 1 and 2 wiring are located at the ends of the blue connector.
Follow Ups
Injectors 1 and 2 not firing
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ctheobal
19:29:26 05/29/26
Ohm test the new injectors just to be sure
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Polishzx
17:37:15 05/30/26
Thanks! Did use dielectric grease. Did not seem like I used
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ctheobal
20:59:17 05/30/26
Yes there is
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Polishzx
22:45:13 05/30/26
Thanks Eric (n/m)
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ctheobal
22:57:51 05/30/26
Injectors 1&2 show 11.2 ohms same as injector 3. (n/m)
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ctheobal
12:17:57 05/31/26
So they're good... The issue isn't the injectors.
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Polishzx
15:03:43 05/31/26
Yep. Driving me crazy. Going to try reseating the ECU
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ctheobal
20:49:01 05/31/26
Double check your Efi harness is seated in the ECU -
itsa300zx
11:39:49 05/31/26
Will do, thank you (n/m)
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ctheobal
12:19:10 05/31/26
Re: Injectors 1 and 2 not firing
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Zxpress
08:04:17 06/01/26
Thanks John I will try that (n/m)
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ctheobal
15:30:24 06/01/26
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