Question about 1993 Chevrolet Cavalier

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Car wont start

Pulled the fuse instead of disconnecting at the fuel pump to releave pressure to change out injector orings Car has sparkat the plugs getting fuel to plugs I'm getting voltage from injectors Looked all fuses they are good It trys to fire up but doesn't no back fire

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  • Chevrolet Master
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Try a little starting fluid in the intake and see if it runs a few seconds. If it does, it could be low fuel pressure or an injector problem. Maybe they aren't pulsing.
You have voltage to the injectors; now check the ground circuit: Use a test light and clip the lead to the POSITIVE post of battery. Put the probe into the ground terminal on an injector connector, and have someone crank the car over. If the test light is blinking, the ground circuit is good. When it blinks, that is when the computer is grounding the circuit for injector pulse to occur.

Posted on Apr 20, 2014

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Posted on Jan 02, 2017

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On a side note: 3 things a automobile needs to run

AIR-make sure you have a clean air filter and your MAF (mass air flow sensor is plugged in) if you pulled your breather to innspect anything, there is a possibility that it came unplugged or you unpluged it and forgot to hook it back up, a car wont start without it being plugged in if equiped

SPARK-Make sure your car has juice to the plugs, if the plug doesnt fire the car wont run, if you have to pull each plug and ground them to the engine block to see if they arch. If not trace the problem down (if you changed the fuel pump you have some mechanical skill and should be able to troubleshoot a spark issue)

FUEL-Check for proper pressure, dirty fuel filter(s) and if your system has a return line, make sure your hoses didnt get crossed cause this will damage the engine and regulator.

Hope this helps Thanks for using Fixya.com

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