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1988 - 1998 (GMT400) Section for all discussion related to the 1987-1998 Chevrolet and GMC trucks.

1997 GMC Sierra issue

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Old April 16th, 2018, 9:44 AM
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Default 1997 GMC Sierra issue

350,auto. Had a cat code come up ( bank 2 ) was told cats were bad, have replace but still could drive. It started bucking and stalling like no gas. Hubby punched holes in cats and still starts, drives 1/2 blick and stalls snd refuses to restart. Have not had a code since cat code was cleared. Any ideas?
Old April 22nd, 2018, 6:02 PM
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I had the same problem, give it a good tune up, plugs wires, coil, distributer cap, rotor... should solve your problem, if that doesn't do it. You could need a distributer




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