89 blazer rough running.
#1
89 blazer rough running.
ok i got an 89 s10 blazer4.3 4x4 auto that runs rough and sometimes backfires through the intake. replaced the plugs wires caps and rotor button. also has a shifting problem shifts hard and sometimes slips between gears. it throw a code for rich exhaust one time and hasnt given it again. and it will clear up a little and then get bad again. any ideas would be great.
thanks alot
thanks alot
#2
RE: 89 blazer rough running.
timing chain
#3
RE: 89 blazer rough running.
they
#4
RE: 89 blazer rough running.
thanks ill check it
#5
RE: 89 blazer rough running.
You may want to also check for a vacuum leak at the base of the throttle body.
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