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How do i reset timing on a 1998 blazer vortex 4.3 . i just changed the intake gasket and it run very poorly

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Timing should be fixed/set at the factory. There is not an adjustment for it is what I am saying. You may have crossed the spark plug wires when you put them back on, or you may have a sticking injector in the spider harness.

Posted on Jul 16, 2009


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93 s10 blazer, 4.3 engine code w...cranks and runs acdelco fuel pump in january. new plugs,cap and rotor button,new wires and coil. engine has a ''miss'' for lack of better word under load from...

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if it is a v6 vortex you need 60 psi to run vehicle, could be a bad spider assembly(fuel injector unit)

Nov 26, 2008 | 1998 GMC Blazer

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