No fuel pulse
20

Asked by GuruCVWB3 Feb 12, 2019 at 01:14 PM about the 2002 Chevrolet Avalanche 1500 4WD

Question type: Maintenance & Repair

If I have power to the injectors but I'm
not getting a fuel pulse when I turn the
vehicle over what could cause that

2 Answers
27,640

oilyspill answered 5 years ago

Either your security system or no rpm signal. Engine cranking, do you have spark at the plugs? The rpm signal comes from crank sensor, but, don't replace anything unless your testing points in that direction. Just my opinion.

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20

GuruCVWB3 answered 5 years ago

Yes I'm getting fire if I spray starter fluid directly into intake the vehicle starts until starter fluid runs out. Is it possible for one bad injector to keep the other 7 from injecting fuel? I'm almost positive it's not the security, and if you might ask no my key does not have a chip just a regular key with a separate factory security remote.

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