Question about 1992 Chevrolet C1500

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Chevy 305 cranks but wont start

I have replaced plugs wires fuel and air filter along with cleaning the tbi and injectors and all the motor will do is turn over but wont attempt to start

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  • Chevrolet Master
  • 2,101 Answers

Do you hear the fuel pump running when you turn the key. and do you have spark

Posted on Dec 09, 2012

  • 6 more comments 
  • denseman07
    denseman07 Dec 09, 2012

    fuel pump is working and im not sure on the spark i killed the battery after 4 hrs of trying to get it to run

  • teds repairs
    teds repairs Dec 09, 2012

    pul any spark plug and stick and screw drive it the wire and have someone crank the motor and watch for spark but stand back. if no spark, there is 2 things . your crank position sensor or your ignitiom control module

  • denseman07
    denseman07 Dec 10, 2012

    its got spark but still not starting i tried a new ignition coil

  • teds repairs
    teds repairs Dec 10, 2012

    if you spray starter fluid in the throttle body will it start.

  • denseman07
    denseman07 Dec 10, 2012

    no it wont

  • teds repairs
    teds repairs Dec 10, 2012

    that means no you have no spark at all. that would be your ignition control module

  • denseman07
    denseman07 Dec 11, 2012

    when i checked the plugs they are getting spark though

  • teds repairs
    teds repairs Dec 11, 2012

    if you got spark and you spray starter fluid it should start,so now thinking cylinder heads or timing. there is a crank position sensor on your motor

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SOURCE: Help w 1994 chevrolet truck

disconnect the batt. is your fuel pump running check fuse listen for it

Posted on May 28, 2009

  • 11 Answers

SOURCE: 90 chevy 350 with TBI starts but wont stay running

I have a 90 chevy k1500 350 tbi with same problem! I have traced problem to... after turning on key fuel pump kicks on when u crank it over injectors shoot gas and truck starts! After few seconds injectors stop spraying and truck dies! This can happen many times over and over! Eventually sometimes truck stays running and all is great! I changed ignition module, oil pressure sending unit (which i was told controls gas after vehicle is running) fuel filter, computer, fuel pump relay, I am at a loss now! Hope this helps and hope someone can help me!

Posted on Oct 21, 2009

  • 580 Answers

SOURCE: 92 chevy 1500 5.7 tbi starts and dies. replaced

Try using a good fuel line/injector cleaner Seafoam is a good one. If this does not help you may have tone or more clogged injectors. Clean these out and you should be good to go. tTo see Seafoam in action goto you tube type Seafoam into the search box.

Posted on Jul 08, 2009

  • 3600 Answers

SOURCE: 90 chevy k1500 350 tbi fuel problem starts but wont stay running

try bypassing the oil pressure switch on the back of the block behind the distributor, if there oil pressure switch goes bad it will do this. had one that drove me nuts trying to fix it then figured out I had to buy a book and low and behold thee it was 3 wire oil pressure switch you can't see between the engine and fire wall just behind the distributor and costs 8 bucks to buy new.

Posted on Jan 16, 2010

  • 117 Answers

SOURCE: 1997 Chevy Silverado, Starting issue: I have

The best way to help find the problem, is to have a fuel pressure test done on it, that will tell if the fuel pump is weak, or the fuel pressure regulator is malfunctioning. If the pressure is low, the fuel pump is weak,
if it is high, the fuel regulator is at fault.

Posted on Apr 10, 2010

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I have a 90 chevy k1500 350 tbi with same problem! I have traced problem to... after turning on key fuel pump kicks on when u crank it over injectors shoot gas and truck starts! After few seconds injectors stop spraying and truck dies! This can happen many times over and over! Eventually sometimes truck stays running and all is great! I changed ignition module, oil pressure sending unit (which i was told controls gas after vehicle is running) fuel filter, computer, fuel pump relay, I am at a loss now! Hope this helps and hope someone can help me!

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