no injector pulse on my 91 d21 nissan v6

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no injector pulse, have spark, new ecu, tried 2 different crank sensors, what is my problem. continuity is good from ckp to ecu, and power wire from injectors to ecu. i doubt all 6 ground injector wires are bad but ill check. Any professional help would be appreciated. only starts when i spray break cleaner into throttle body--fuel pressure is there also

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in Winter Haven FL

Jul 2, 2021

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RepairPal Certified shops can diagnose and repair your 1991 Nissan D21. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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no injector pulse on my 91 d21 nissan v6

What is your question?

Visitor

in Winter Haven FL

Jul 2, 2021

2 Replies

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DaveJMon Jul 3, 2021

Simply put there are some circuits to test the wiring for in the fuel injection system. Obtain a workshop manual and testing equipment, or find a shop near you to help. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops

zippie1on Jul 3, 2021

Do you have nous lights? Have you tested and verified proper fuel pressure/pump operation?

zippie1on Jul 3, 2021

* noid, not ‘nous’ sorry.

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Popular Answer

What are the best Nissan repair shops?

RepairPal Certified shops can diagnose and repair your 1991 Nissan D21. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.