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Posted on Nov 30, 2017
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I have a 1999 chevy trailblazer that cranks but will not start ,changed fuel pump,ran new fuel lines ,changed coils,even went as far as changeing the spider injecter and still nothing.security light flashes but goes out after turning to the on position.fuel presser is fine.gas gets to the spider but spider does not ingage

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Rich Jakub

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  • Expert 225 Answers
  • Posted on Nov 30, 2017
Rich Jakub
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Did you check if spark is there?

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Anonymous

  • 6982 Answers
  • Posted on Jun 06, 2009

SOURCE: 1999 Chevy Tahoe won't Start. Motor will not turn over.

I'm assuming that by turning over, you mean that the engine fails to turn with the starter . Check your battery for 12v and make sure all connections are clean and secure. If battery has less than 12v charge it and check the charging system after re-starting. Lights and radio do not pull the same amperage as the starter and may not tell you much about battery condition. If you have full battery voltage, check the starter for 12v at the battery connection and the small (trigger wire) for 12v with the key turned to start position. If you have both, likely starter has failed.

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Anonymous

  • 2 Answers
  • Posted on Jun 10, 2009

SOURCE: 1998 chevy s10 won't start, engine cranks but it won't turn over.

replaced your fuel pump and when you buy it make sure to replace the oil sending sensor on the fuel pump it comes with a replacement when you purchase a new fuel pump

Anonymous

  • 56 Answers
  • Posted on Jul 15, 2009

SOURCE: 2000 chevy venture doesnt start

Not the IAC, or MAF, or 02

Does the Van Crank over?
Have you checked the IGN Relays? 1,2,and 3?
How did the Battery test out?
Anything below 11.9v battery is dead.
So I suggest that you do not throw any more parts and check the battery again.

Anonymous

  • 708 Answers
  • Posted on Oct 07, 2009

SOURCE: 98 chevy cavalier cranks but wont start changed

try to start the car, than the anti theift would shut the car off. you wait ten min with the key on, until you see the anti theift flash or disapear. than turn key to off position and try to start it. this will reprogram the computer.. Good luck.

you can also try disconnecting the battery for 30 minutes

Anonymous

  • 564 Answers
  • Posted on Dec 24, 2009

SOURCE: 1997 Blazer no-start

sounds like youve really done your home work all that comes to mind now is try a cam posistion sensor this would keep your car from starting as well if that is good you can aslo try a crank sensor. you will get all of the readings that you are getting and these sensors can still be bad.

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2002 chevy trail blazer,ran fine,went to work then at noon it would not start. changed fuel pump,crank sensor,cam sensor,checked compressionand spark at coils,still no start

You threw a lot of parts and money at that thing guessing what MAY be wrong with it. Check any fuses that may be marked start,ign,etc. Do you have spark? The engine size would alos help.
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