Question about 2000 GMC Jimmy

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Jimmy has problems starting when its cold. the egr code popped can this cause a starting hesitation problem?

The jimmy had starting hesitation last winter.We cleaned the grounds and it seemed to work over the warmer months with very little hesitation.Then we have had cooler weather again and I am going through starting problems again. We have replaced the battery. The Egr code popped and the check engine light goes on and off. But now thats its coldier out I am having starting issues again. Can the egr valve cause this problem?

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Yes the egr valve could cause starting problems. If it is sticking open it would cause a huge vac leak.
I would want to know what the trouble codes are in the computer first. Those codes would help a mechanic nail down the problem area and what to check.

Posted on Dec 11, 2012

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Posted on Jan 02, 2017

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SOURCE: I have a 2000 gmc jimmy that started running very

well you could remove it and put a hose on it and either **** on it or hook it up to a vacuum and see if it moves up and down, if it don't move it has a bad diaphram

Posted on Jan 17, 2011

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Random/Multiple Cylinder Misfire Detected:---
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