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1987 Blazer 2.8 "Shuttering" ...like a miss?
My 87 Blazer 4x4, 2.8, just started this...kind of a miss usually in overdrive. The check engine light has not come on. It started sounding rough at idle, so I thought it might be fuel filter or pump, so I changed the filter first. It did not fix it. It seems like it does it more when driving and the temp reaches about 200...I've been downshifting into drive and it doesn't do it as much. I thought maybe it was the trans, but it seems to drive better when it is cold...It sounds rough at first start-up, but then drives OK until temps reach 200, then starts the intermittent miss, thanks for any info or help. I'm going to check the codes this weekend, just figured I'd get a head start! Thanks Guys.
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Thanks to you, I'm much obliged, for such a pleasant stay... LZ
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