1987 VG30 no spark. HELP!

Forum for the Xterra, Frontier and Hardbody, the smaller workhorses of the Nissan lineup!
elvisboy77
Posts: 14
Joined: Sun Oct 18, 2020 3:36 pm
Car: 1987 Nissan Hardbody V6

Post

Cannot find the correct year manual (any ideas) which would help a lot with trouble shooting.

I can get a code "21" which says ignition signal missing at ECU/CPU.

Replaced ignition switch, coil, and resistor/capacitor, no luck.

Could it be the crank angle sensor? Is there an easy way to test?

BTW I signed up for a "chiltondiy.com" site and purchased the specific 1987 D21 online manual, what a scam! Generic info, no specific stuff. Be aware.

Thanks for any advice you can offer.


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