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1987 Chevrolet S10 Blazer Standard 2D Utility

1987 Chevrolet S10 Blazer
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May 13, 2010, 4:01 pm

AutomotiveForums M

Question: Really rough Idle

1989 chevy s10 blazer 2wd. replaced the oxygen sensor, spark plugs, distributor cap, spark plug wires, EGR valve looks fine, cleaned out the fuel injector, replaced the wires for the injector, plugged up the brake booster vacuum lines so that it doesn't cut out when braking fast, replaced the muffler.

I have done so much trying to figure out the problem, I've almost exhausted all possibilities I can think of save for burned valve or worn camshaft. Is there anything I can do personally to see if these are not the problems without taking the engine out?


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