Re: RPM's dip at idle and truck sputters on acceleration!
Agree. A flashing CEL (service engine soon light) usually means ignition misfire detected. Have the codes scanned. Chances are the codes will even tell you what cylinder was misfiring.
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Tom
Chevy by day...
1969 Chevy C30 Rollback Tow Truck -- 383 stroker, 4L80E
2011 Chevy Caprice PPV 9C3 6.0L
1995 Chevy Caprice 9C1
1994 Chevy Caprice 9C1 #3
1995 Chevy Caprice Wagon #2
1995 Chevy Impala SS
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1969 Dodge Charger
1972 Chrysler Newport 2dr Hardtop (27K miles)
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