Question about 2000 Chevrolet S-10

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2000 chevy s10 blazer 4-3ltr w cranks won't start has no injector pulse. Fuel pressure measures 60lbs(new A/C pump)sercurity system passes all Tec2 tests, no dtc's. whats next???

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  • lughead02 Jul 12, 2010

    Changed the crank sensor still won't start! I thought I was smarter than this! Help me keep my sanity, this is driving me crazy and to top it off its my brother in laws truck, Its not even mine!

  • lughead02 Jul 13, 2010

    Tried that too as per GM manual! A match and a can of gas would fix the problem.

  • lughead02 Jul 13, 2010

    Got lucky yoday, he towed the car to chevy, yea he finally got the hint! Thanks for your help I really appreciate you trying. When I get the result I'll let you know.

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  • Chevrolet Master
  • 6,826 Answers

Try spraying starting fluid in the intake,if the truck starts and continues to run,replace the cam sensor,if it does start,but dies,then replace the crank sensor,make sure the crank sensor is plugged up.

Posted on Jul 11, 2010

  • 1 more comment 
  • lughead02 Jul 11, 2010

    Thank You I did run the truck on starting fluid and it did die when I stopped the spray but didn't think of the crank sensor. I'm going to try that. Thanks. again.

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jul 12, 2010

    Lets relearn the key to the ignition,turn the key on,and leave it for ten minutes,then turn it off,and right back on,do this a total of three times,and 30 minutes,see if it will start after doing this,let me know,I am standing ,well,sitting by.

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jul 13, 2010

    how about the cam sensor?Have you done anything with it?

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2 Answers

87 chevy s10 blazer 2.8 has power to all related components but no spray from injectors cranks but wont start


-Use noise light to check each injector wire connector to see
If there is power there or not when you crank.
-If there is not power at all then 90% the cam & crank sensor are effect.
Good luck

Mai

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Hi,

I would check n replace the fuel filter if needed. Also, it could be one of the spark plugs. Was it running before? Can you think of anything that happened or changed recently?

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2001 chevy blazer Lt 2w Drive 4.3 No Start Condition


Make sure the battery has a full charge.

Are you missing anything besides fuel? Engine cranking visually check for spark at the spark plugs. Also, check for fuel injector pulse. If your missing everything, check for an rpm signal.

With the spider fuel system, start-up fuel pressure can be critical, around 60--66 psi. At the fuel pump connector, engine cranking, gray wire is voltage, black is ground. If good voltage and ground with no fuel pump action, have to suspect the fuel pump.

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Well ,it is a 2000 chevy blazer 2 door, i put a new fuel pump,and fuel filter,and it still will not start,if you put gas in the carburradtor it will start for a second then it dies,what could be the


Did you verify that you have proper fuel pressure? Should be around 60 PSI. If pressure is low, ensure that fuel filter is not installed backwards. If fuel pressure is OK, check your injectors with a noid light to see if you have injector pulse. If the truck starts with gas poured into the intake, it is NOT the spark plugs causing the problem. You are chasing a fuel delivery issue, NOT a spark issue.

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Chevy blazer fuel pressure check


either your pump or filter needs to be replaced

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I have a 1993 chevy s-10 blazer 4.3 vortec 4x4 , Was driving and it just died, when i went to restart it , it wouldn't start, i noticed i didnt hear the fuel pump come on, I did a test and bye passed...


You need to check the crank sensor, this controls tthe injector pulse. If it will attempt to start with alternate fuel but not on its own, it sounds like the injectors arent pulsing, so your not getting fuel. Try the crank sensor first.

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I'd use a gage and check proper fuel pressure, key on engine off, 60--66 psi with spider fuel system.
Engine cranking did you visually check for spark at the spark plugs? Engine cranking is there a fuel injector pulse?https://s8.postimg.org/50arofh11/fuel_pump.jpg
Click on the link for fuel pump relay, you can check the fuse. At the fuel pump, gray wire is voltage, black is ground.

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1 Answer

My 95 blazer has no inj pulse i did new comp new


Have you checked the fuse(s) for the injectors? Are you getting power to injector connector?

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