1991 Nissan Skyline fuel issues

1991 NISSAN SKYLINE
170,000 MILES
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NICHOLASR32
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  • 1 POST
I have connected many ecu's but my engine sensors are not responding and the car can't rev past 4000rpm and when I open the plugs I find a lot of fuel is being sprayed on them and there is a lot of black smoke coming out of the exhaust.is it a relay,fuses or a wire some where has got cut
Sep 26, 2013 at 10:53 AM
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DRCRANKNWRENCH
  • ✓ASE Certified Mechanic
  • 3,380 POSTS
  • ASE Certified Mechanic
Electrical issues could be a problem but that would be on the ECU level. Since there is so much to go through I am giving you this walk through diagnostic to help isolate the source of your problem. Just use the link below;

https://www.2carpros.com/articles/engine-black-smoke
Oct 2, 2013 at 10:21 AM
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