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speedo calibration

I changed my speedo cluster and now my speedometer is WAY off at least 20 too fast any suggestions or help thanks
- tahooe
- Thread
- Jul 17, 2017
- Replies: 1
- Forum: Engine Performance + Maintenance
98 tahoe power door locks inopp

I have a 98 Tahoe 2 door and the power door locks did work and now they dont ,They work with the key fob but not with the power lock button on door panel ,Fuse or relay ??looked for both can,t find anything marked lock or door lock.
- tahooe
- Thread
- May 30, 2017
- Replies: 2
- Forum: Engine Performance + Maintenance
98 tahoe runs super rich???

I have a 98 tahoe and I have so far reeplaced the o2 sensors and the coolent sensor and it still runs rich as a pig when you floor it it takes off like a rabbit .Let off the gas and back to rich ,if I run it on the highway after it cleans out it seems fine ,anybody have a suggestion?
- tahooe
- Thread
- Apr 21, 2017
- Replies: 21
- Forum: Engine Performance + Maintenance