Questions & Answers for: Chevrolet Blazer rough running

...rough when running at 45 to 55 mph car out of cruise control flutters or runs rough from 45 mph to 55 mph and once over 55 mph runs smooth. I notice from 45 to 55 the rpm guage moves with flutter or ...

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1985 chevy Blazer cranks up, runs rough, then 1985 4x4 chevy Blazer cranks up, runs rough, then shuts off. Found a bent push rod, did repairs for that plus replaced timing chain and all other things I

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...running rough and misfiring spewing black smoke all the while. Put a little fresh gas in itand a gas treatment. Was able to get it started (had to keep it to the floor for a few moments) again but ...

...the engine attempts a normal purge from cannister it gets loaded with raw gas, causing rough running and cherck engine light. Replace cannister. Never over fill gas tank, especially on hot sunny ...

...a big puddle of water, stalled car, started back up made it home, next day started car and it idles rough and runs rough. almost like a spark plug was loose but they are not what else could i check ...

Question about 2000 Blazer

1 Answer

RUNNING ROUGH THEN RESORTED TO MISFIRING,BACKFIRING ENGINE RUNS ONLY VERY ROUGH BACKFIRING MISFIRING AND UNDRIVABLE Timing is off,problem with timing chain,also check fluids in ******,plus also if you

Question about 1996 Blazer

1 Answer

Rough running and missing Days ago, replaced plugs and plug wires due to rough running - at idle and high speed. It was smoother for an hour or so, but is back to rough running again. Any ...

...run erratic. The distributor gear wears and cause misfires rough running. EGR getting stuck open cause of carbon makes the vehicle run rough at idle I hope this helps I know it a lot to look at

Question about 2000 Blazer

1 Answer

...running smooth At all whne at stop light runs very rough .replaced rotor/dis.cap/plugs/wirers & 2 fuel injecters could the map scencer be faulty / Probably not. If it was, the engine would run rough ...

Question about 2000 Blazer

1 Answer

...be able to make a good ground connection. This is going to be the primary problem with the engine running rough until you get it fixed...it's loading the engine down with an overly rich fuel

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