Question about 1997 GMC Sierra

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I have a 97 gmc sierra Z71. Im having trouble starting it in the morning and after its been sittin a couple of hours.

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Is your check engine light on to start with . have you had a tune up done on it you could have fouled pluggs or bad spark plugg wires or if it has coil packs over eack plugg you might have a bad coil on onr of more plugs . i have a 2006 chevy silverado and still have a distributor so if you have one make sure to get a new rotor and cap does your truck idle funny or does it feel like ther is a bump in the idle like it isnt smooth. also you might need to clean out the throttle body theye can get fouled in side get a can of throttlebody cleaner and a rag and clean out around the butterfly vavle.hope this helps

Posted on Apr 06, 2011


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