Subject	Re: Injectors 1 and 2 not firing
Posted by	Zxpress on June 01, 2026 at 8:04 AM
	This message has been viewed 15 times.
In Reply To	Injectors 1 and 2 not firing posted by ctheobal on May 29, 2026 at 07:29 PM
Message	Test the injector at its prongs with a 9v battery. Polarity doesn't matter. It will click if it's working properly. If it clicks, then reconnect and try the same test through the harness. Pin 58 is the common positive. The grounds are as follows: Test one that you know is working to be sure you're correctly doing this. FI #1 - 101 FI #2 - 110 FI #3 - 103 FI #4 - 112 FI #5 - 105 FI #6 - 114
Follow Ups	Injectors 1 and 2 not firing - ctheobal 19:29:26 05/29/26 Ohm test the new injectors just to be sure - Polishzx 17:37:15 05/30/26 Thanks! Did use dielectric grease. Did not seem like I used - ctheobal 20:59:17 05/30/26 Yes there is - Polishzx 22:45:13 05/30/26 Thanks Eric (n/m) - ctheobal 22:57:51 05/30/26 Injectors 1&2 show 11.2 ohms same as injector 3. (n/m) - ctheobal 12:17:57 05/31/26 So they're good... The issue isn't the injectors. - Polishzx 15:03:43 05/31/26 Yep. Driving me crazy. Going to try reseating the ECU - 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) - ctheobal 12:19:10 05/31/26 Re: Injectors 1 and 2 not firing - Zxpress 08:04:17 06/01/26 Thanks John I will try that (n/m) - ctheobal 15:30:24 06/01/26
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