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Discussion Starter · #1 ·
I have a 1986 S-10 Blazer with a 1989 2.8L TBI. Had some problems with a wire harness melted against the exhaust but fixed that thanks to your help.

Now with the rough idle, this has been occuring ever since I swaped engines. It will start and run great except for a rough Idle. Have tried setting the timing and no help, tried swapping injectors and no help. Plugged all the vacuums shut and still have rough idle. I even tried swapping out the harmonic balancer and that didn't help. When I swapped the engines I put new seals and gaskets except for the intake (figured that would be okay) and now I am wondering if it may be leaking :confused: .

If anyone has any sugestions please let me know.

Thanks again, Fred Jeune [email protected]
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