I HAVE A SEVERE MISS WHEN THE ENGINE IS COLD,WHAT IS CAUSING IT?

2000 Chevrolet Blazer

Tiny

robertd55

September, 7, 2012 AT 2:31 AM

I have a severe miss when the engine is cold, but when it gets to operating temp it runs fine.I was told by Roy it was dirty injector, If so, why would it not miss all the time? Thanks Robert

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4 Answers

Tiny

ASEMaster6371

September, 7, 2012 AT 2:32 AM

Just answered your other post.

Did anyone look at this yet? Carbon could also be an issue. Throwing parts at it wont solve it till you know the exact failure

Roy

Tiny

KHLow2008

September, 7, 2012 AT 2:37 AM

One of the most common cause of cold misfire is a failed plug wire. Have them ohmned to see if any is out of specs.

Tiny

robertd55

September, 7, 2012 AT 2:45 AM

OK, THANKS

Tiny

JDL

September, 14, 2012 AT 4:49 PM

Check applicable trouble codes. If a miss on one cylinder, the code should tell you which cylinder. A miss at idle is way more noticeable than at highway speed. A miss at highway speed may just show up as some loss of power.

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