Question about 2005 Chevrolet Silverado 1500 2WD

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Not getting any fire on a 2005 chevy silverado 4.3L

Coil has been changed crankshaft position sensor changed and everything obvious changed

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  • natasha lyell
    natasha lyell Feb 15, 2014

    spark plug wires are brand new like i said everything obvious has been changed and checked

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  • Chevrolet Master
  • 21,873 Answers

Do you have power going to the coil, and a ground signal coming from the distributor ?

Posted on Feb 15, 2014

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SOURCE: 98 silverado 5.7L camshaft position sensor

ITS ABOVE CRANKSHAFT PULLEY.IT CONNECTS WITH CRANKSHAFT POSITION SENSOR.

Posted on Oct 23, 2009

castles_126
  • 5 Answers

SOURCE: 2000 Chevy Silverado 4.3 will not start.

I agree, disconnect the battery, and try resetting the CPU. Also if it got wet then there could be some random wire shorting out. Your CPU is located just above the wheel hub closest to your battery inside the engine cmptmnt.

Posted on Jun 21, 2013

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The sensor for the crankshaft position may be loose or misaligned. You may have a rust spot on the crankshaft interferring with the ability to pick up the #5 position.

Check out your alternator as stray electrical voltage will interfere with the pulses needed to fire individual plugs. Try WD40 on the wires to the coils(plugs) as stray voltage may jump to another plug.

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I hope my solution is helpful.

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98 silverado 5.7L camshaft position sensor


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The PCM (engine computer) fires the coils, but it is never the cause of a problem. I suspect it is the crankshaft position sensor on the front of the engine by the crank pulley. easy to change.

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I have a 1991 chevy truck, I am getting no spark. I have changed the ECM, distributor and coil. still no results. I have no idea of what to do.


check to see if your truck has a crankshaft position sensor, its usually located behind the harmonic balancer or right near there, if the sensor went bad or if the wiring got messed up there will be no signal to the ecm telling the ecm when to send spark to the coil. the crankshaft position sensor is responsible for telling the computer when to fire the spark plugs based on rpm and timing. check the wires on the crankshaft position sensor, if they look fine, replace the sensor, hope this helps!

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