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1996 GMC Yukon 5.7L code P0300 Random misfire
Posted to Technical Discussion Forum on 2/26/2001 8 Replies

This vehicle was worked on in another shop. They had replaced the spark plugs, plug wires, distributor cap, ignition rotor and fuel filter. The engine idles fine in the shop and while power loading. At about 45 mph under slight accelleration the engine [...] m... Login to read more.

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