I replaced intake manifold gaskets

  • 180,000 MILES

I replaced intake manifold gaskets. Now engine races at idle from low to high RPM at about 1 second intervals. I checked vacuum lines for leaks. I disconnected sensors one at a time and in groups to see the effect. Little to no effect on Rep Rate or RPM. Would swapped wiring to injectors cause such a problem. I thought I wired them correctly but the wire colors dont match the schematic I have. PS this is a 3400 SFI engine.

Thursday, December 13th, 2012 AT 3:45 PM

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