Having problems with your 1999 Chevrolet Tahoe ?
Gassy smell coming from tailpipe had a code my tahoe for o2 sensor when changed had another code for cath converter had those changed but gas milage still sucsneed to change my fuel regulator dont know where it is located
Then you need a full diagnostic run by a dealer or specialized shop in electronic engine control systems to see if there is a problem or it is some other issue like the transmission slipping.
Repair Help & Product Troubleshooting for 1999 Chevrolet Tahoe
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