87 s10 blazer 2.8 tbi backfire, miss, runs sometimes
#11
sounds like a misfire or plug wires routed to the wrong fireorder. raw fuel dumped into the exaust and boom! the fireing orfer should be in the intake, check your timing to.
#12
sounds like the firing order is wrong, misfire or timing is off. fuel is dumping into the exaust and collecting in the muffler.
#13
Fire order is 123456, I would figure after a shop had it at least something that easy would be correct.
#14
Wouldn't you think the shops checked timing and all. I got a miss I can't find. Tell us when you get an answer
#15
Hey Show where is your fuel filter located if I may ask.
#16
Have you checked the condition of the fuel injectors?
#17
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Gunfighter
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