Thread: 4.3 S-10 Jerking - Skipping when accelerating
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Old 03-04-2006, 10:52 PM
lilbigjohn007 lilbigjohn007 is offline
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Re: 4.3 S-10 Jerking - Skipping when accelerating
I have an 89 blazer w/4.3 and having similar problem. Mine idles and runs fine when its cold when it warms up it idles rough and sometimes jerks and backfires through the throtle body while accelerating. I've replaced the EGR valve, the EGR solinoid, MAP sensor, and still having problems.
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