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Any TBI experts here? I need help with my 87
Just picked up a 87 GMC. Top end has been rebuilt. No motor problems.
The owner could not get it to run smooth. He said it was probably the timing.
I bit in, I bought the truck. Well, it was not the timing cause it was dead on.
after 1200 RPM it runs well and strong. idle to 1200 RPM it's not smooth running.
New EGR, New balancer, wires, cap and rotor, Timing chain. what else is there to check. Is there a list to go by as a check off list as where to start for trouble shooting. I dont even know if mechanic shops with touch a truck this old with fuel injection LOL.
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08-03-2015, 10:48 PM
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