random cylinder misfire
#1
random cylinder misfire
i have 1997 blazer 4.3 2wd. i have a random cylinder misfire according to the machine at autozone. my buddy mechanic cannot figure it out and everywhere else i take it they just want to drop a new engine in it. i'm not ready to go that route yet. what could the problem be
*Combining Consecutive Posts*
i have replaced all vaccuum hoses, coil and the computer. cat is bad, but i was told that would have nothing to do with it. plug wires a new.
*EDIT by swartlkk* - Combined consecutive posts. Please use the edit feature to add additional information to your post if another member has yet to reply.
*Combining Consecutive Posts*
i have replaced all vaccuum hoses, coil and the computer. cat is bad, but i was told that would have nothing to do with it. plug wires a new.
*EDIT by swartlkk* - Combined consecutive posts. Please use the edit feature to add additional information to your post if another member has yet to reply.
#2
RE: random cylinder misfire
i have replaced all vaccuum hoses, coil and the computer. cat is bad, but i was told that would have nothing to do with it. plug wires a new.
#3
RE: random cylinder misfire
o2 sensors?
#4
RE: random cylinder misfire
If the cat is restricting exhaust flow, it sure can cause a random misfire.
Have you done a full tune up consisting of a replacement distributor cap and rotor as well as the plugs and wires which I assume you have already done?
Have you done a full tune up consisting of a replacement distributor cap and rotor as well as the plugs and wires which I assume you have already done?
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