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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Chevrolet Tahoe 4x4: I have a 97 chevy Tahoe 5.7 vortec.

Customer Question

I have a 97 chevy Tahoe 5.7 vortec. it wont start unless gas pedal is held to the floor. once it starts and I give it gas, it has a little hesitation and black smoke comes out the exhaust
Submitted: 2 years ago.
Category: Chevy
Expert:  Gary replied 2 years ago.
did this problem happen out of the blue one day ?are there any codes in the computer at all ?