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Re: Intermittant miss
Can you post the codes that you now have? That would help. Backfire, could be EGR operation, ignition coil, wires and or plugs, pickup coil, ignition module or a mechanical issue.
Are the injectors dripping at idle? The Fuel pressure regulator is in the TBI unit and the diaphram could be leaking.
//2000CAYukon
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