Question about 1999 GMC Jimmy

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1998 S-10 cold start

I have a 1998 Chevy S-10 with approximately 160,000 miles. When the temperature is below 20 degrees the truck will not start but does not register an error code.

The truck will start momentarily, less than two seconds, on the initial try and die, after tow or three additional attempts it will repeat the 2 second drill.

With no changes to the truck I can wait until the temperature rise and the truck will run fine.

Any suggestions would be great, I have been chasing this problem during cold weather for 3 years.

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  • jkvance700 Feb 14, 2009

    got a 1999 jimmy 4.3 vortec that just started ''not starting'' when it gets cold outside allready cganged the cap and rotor please help befor we trade it off!!! was a great truck til this

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  • 195 Answers

The cold weather wreaks havoc on everything. I am thinking that the cold weather and your octane rating are not getting along, hence no error codes. Have you tried fuel drier and or octane booster?Since the truck starts when the temperature gets warmer, I would look at octane as the culprit. Try some octane booster and see if that helps. Let me know. Hope this helps.
Thanks;
Rich
RPM Northwest

Posted on Feb 05, 2009

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