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Re: 2001 Express intermitant misfire code
How many miles on a good ac delco tune up?
Good AC plugs?
Any other codes?
You may need a good engine capable scanner to check it out.
What cylinders are missing and how many misfires per cylinder?
Good fuel pressure?
Camshaft retard setting good?
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Remember proper testing gives us the answer to many problems.
MT
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