Truck won't start

Asked by Jun 02, 2015 at 05:45 AM about the 2002 Chevrolet Blazer 4 Door LS

Question type: General

Was running fine , shut off at store
and wouldnt start back up , put
7dollars of gas in and still nothing , i
can hear fuel pump

12 Answers

37,595

Is engine turning over or are you just hearing a click?

1 out of 1 people think this is helpful.

Thanks for asking ! Turns over great , wont fire i get a wants to after turn key off then back on it will fire for 1 second like a burst of fuel is in , just checked all fuses .

Im thinking fuel pump but i can hear it when i turn key on , if it is pump is there an access door to get at pump inside truck

37,595

No. You have to drop the tank. Best thing to do is get a fuel pressure gauge and see what you have for pressure. Could be a weak pump or bad fuel pressure regulator. You seem to definitely have a fuel delivery issue.

37,595

This is the testing you should do. Here is a quick how to video.............. https://www.youtube.com/watch?v=McnXLcJNVfI

1 out of 1 people think this is helpful.

could be the fuel filter

I dumped fuel into throttle body and nothing i think its the coil or icm

I took off two wire plug off coil , one terminal turns test light on a second after you turn key on and slightly dims flash when turning over , other terminal does not light up test light

I put a test light on the plug to the coil , one terminal lights up a second after turning the key on and slightly dims while turning over engine , the second terminal does not light up test light , i also pulled wire from plug and i see no spark , is the (icm) bad or is the coil bad

37,595

It's a tough call. Is the CEL on? That's the only way to know for sure.

What is the CEL

37,595

Check engine light.

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