Question about Chevrolet Silverado 1500

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I have a 2002 Chevrolet Silverado 1500 2wd 4.3L it has a problem staring. It turns over but it takes a while to start. It takes like 15 to 45 minutes to finally start if the battery or the starter doesn't go out first. The spider injectors and the fuel pressure regulator been replaced. The fuel fiter has been replaced. every cylinder is getting spark, I replaced the crankshaft sensor. If anyone knows the problem let me know please and thank you

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Check the starter and selenoid!

Posted on Oct 17, 2013

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Check fuel injection line, pressure relief valve on it, may have air in schraeder valve to see if air or fuel comes out. fuel,....ok.

Posted on Oct 17, 2013


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Posted on Jan 02, 2017

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SOURCE: 1999 chevy blazer wont start


if your losing fuel pressure after the pump runs the drain back valve in the pump has failed.

and i doubt that you are seeing enough fuel pressure to run a vortec engine.

low fuel pressure equals a non running vortec

Posted on Apr 11, 2009

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SOURCE: I have a 2002 chevy

Did you check the ignition module yet?

Posted on Apr 07, 2010

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SOURCE: 1996 s10 pickup 4.3 vortex . I have goog fuel

replcace filter? ,you say you have good pressure.have you checked your pressure with a guage? i had pressure but not enuff,really 96 4.3 vortex needs to be pretty high(check requierments at parts store) fuel pump is in the tank, cheapest one @ 235.00

Posted on Dec 18, 2010

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Generally when you run into vehicles like this, it's a good idea to go back and start at the beginning. Fuel - Spark - Compression

I don't all of what you tested and how you tested it, so I'm just going to list what I would do and maybe you'll see something you missed.

Fuel: Check for pressure at the fuel rail. Should generally be 40-50psi for fuel injected engines. Check the power feed to the injectors with the key on. Disconnect the injector plugs and you should see @12v (or whatever you battery voltage is) at one side of the plug. The other side of the plug should switch on and off to ground while the engine is cranking.

Spark: First and foremost check for spark at the end of the wires either using a spark tester or a spark plug held against the block (careful to stay insulated, ignition bites hurt a bit). Also verify your ignition timing is correct.

Compression: Make sure you have good compression on all cylinders by running a compression test.

If you have all of these things, you should be able to start (or at least sputter a bit).

Feel free to ask more questions if none of this helps.


Posted on Oct 23, 2011

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SOURCE: 92 will not start


That is false information. The dipstick reads 2 (TWO) quarts.

Posted on Sep 24, 2012

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