2002 4.8 no fire
06-17-2009, 04:51 PM
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2002 4.8 no fire So I put a 4.8 in another project and it fired right up on first attempt ran 3 seconds dies and did that 2 more times even with VATS switched off. Now its not even firing the spark plugs. Can ALL the coils go bad at once? The PCM is an 0411 with an 02 tahoe 4.8 OS
