Having problems with your 1997 GMC Sierra ?
I have a 97 gmc 4 wheel drive 4.3 litre v6 211,000 miles new tranny now its like i dont have ne power even if i gun it it just sounds like it drops gear and gos nowhere if I run the ac its worse just changed plugs and still having the same problem
Possibly catalytic converter or fuel pump.
Repair Help & Product Troubleshooting for 1997 GMC Sierra
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