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I have a 1993 Chevy Blazer little run for 20 or 30 minutes and then it shuts down and we'll run for a while but it'll start up after sometimes after an hour sometimes it will not til next day

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  • Cars & Trucks Master
  • 14,585 Answers

It is either the ignition module or the coil. Both do the same thing. Coils are the worse.

Posted on Apr 06, 2015

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Posted on Jan 02, 2017

  • 169 Answers

SOURCE: crank no start

SOUNDS LIKE THE CRANK SENSOR POSS. AS I HAVE ONE HERE THAT I JUST DIAGNOSED FOR THE SAME THING WITH A SCAN TOOL WHEN WE FINALLY GOT IT NOT TO START. I'LL FOLLOW UP AFTER SENSOR INSTALL

Posted on Aug 21, 2008

  • 3 Answers

SOURCE: 1997 chevy blazer trouble starting

97 don't have carb that year its TBI injection . Inspect/fuelpump relay/pressurereg.switch/pump/filter

Posted on Nov 25, 2008

  • 1 Answer

SOURCE: starting in damp weather 1993 240 wagon, auto/od, 235k miles

perhaps you need a new cap and roter a new spark plug wire set. they don;t like moisture. also check to see if you have any broken or leaking vacuum hoses. the worse case senerio would be that your head gasket is leaking--at cold temps a little antifreeze will enter until everything warms up and it seals shut due to metal expanding. but since you say it's cold weather only--this probably wou;dn't be the case. good luck.

Posted on Dec 28, 2008

  • 46 Answers

SOURCE: 1993 Ford Explorer bogging down

This is not a bogging down problem if the engine is reving up it sounds like you have a very badley slipping tourk converter or you have a band in your tranny slipping and that is why you can go for a little while longer if you shut it off

Posted on Jan 10, 2009

jeffbvegas1
  • 520 Answers

SOURCE: 1992 Chevy S10 blazer 4wd (4.3 TBI engine code Z).

Replace ECM

Posted on Aug 15, 2009

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2 Answers

1990 Chevy Cavalier z24 shuts off and has trouble starting


sounds like a possble bad egr valve stcking open or then clutch in the torque converter is staying on

Aug 10, 2012 | Chevrolet Cars & Trucks

1 Answer

1997 chevy blazer not starting when cold


If it starts and run with a little fuel down the throttle body than the very first thing I would do is check fuel pressure. It needs to be more than 56 psi and better yet closer to 60 psi in order for the poppet injectors to fire. If fuel pressure is one pound less than minimum the car will not start. The reason why it runs after it is started is the poppet injectors are now under vacuum which helps the poppet injectors overcome the lack of fuel pressure and they work. Posting a phone number and or calling you is against site policy. I will be more than happy to walk you through all the possibilities Let me know if you have any questions and I'll do my best to answer them. Thank you for using FixYa.com!

Jan 18, 2012 | 1997 Chevrolet Blazer

1 Answer

I have a 1993 chevy blazer that starts and runs but after it warms up it shuts off and won't start again. I have replaced the ignition module and the fuel filter. Anyone have any ideas?


Does the truck have coil packs on it, if so they may be going bad. I had a lumina that gave me the same problem as your truck. It ran fine until it got hot and then it just shut down until it cooled off enough to start again. Turned out that the coil pack was going bad. I think there is a way to test them with an ohm meter, but i'm not sure what exactly it is. A quick search on Google should reveal the procedure. I hope this helps.

Mar 23, 2011 | 1993 Chevrolet S-10 Blazer

3 Answers

1993 chevy blazer runs then dies and has trouble starting again


4.3. Do you know if it is TBI or CPI? Is the 8th digit of the VIN a W or Z?

Apr 03, 2010 | 1993 Chevrolet S-10 Blazer

3 Answers

1993 Chevy S-10 blazer turns over but won't start


spray starting fluid in the air intake if it fires you have fuel problem , if it dont it is ignition probably the ign module in the distributor

Nov 06, 2009 | 1993 Chevrolet S-10 Blazer

1 Answer

Won't stay running


sounds like fuel delivery, sometimes check valve in fuel pump will quit working and fuel will drain back into tank, or pin hole in one of fuel lines, check fuel pressure

Jun 17, 2008 | 1993 Chevrolet S-10 Blazer

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