my 1991 300 ZX runs on 5 cyl. Could it be the ignition control module?

Asked by torinos Dec 02, 2011 at 06:32 AM about the Nissan 300ZX

Question type: General

Nissan Philippines can not help me as their computers marks error when connected. All other possibilites have been worked on without help.

3 Answers

145

Check compression, check injectors, and then check the module. The only way to really see if the module is bad is to replace it with a know good module (aka a new one) and if that fixes the issue you know it's the module. Good luck.

615

its probably the injectors. i had a few go on my 91 a couple years back and they were a bitch to trace down. first step is to make sure they all ohm out correctly

825

BTW, injectors should ohm between 12-14ohms Also, if the injectors pass the ohm test, then test the coil packs, if they check out ok, do a compression test.

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