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    1999 LT Tahoe. - Is it the trany speed sensor?

    1999 K105 2door Tahoe LT. 5.7 sfi. I have recently had an inlet manifold water leak fixed & a new electronic transfer box fitted. My problem is:- When crusing at around the 60mph mark the engine sound keeps going up & down, as if it is changing up and down gear, If I accelerate, it stops...
  2. R

    1999 LT Tahoe. - Is it the transmition speed sensor?

    1999 LT Tahoe. - Is it the transmission speed sensor? 1999 K105 2door Tahoe LT. 5.7 sfi. I have recently had an inlet manifold water leak fixed & a new electronic transfer box fitted. My problem is:- When crusing at around the 60mph mark the engine sound keeps going up & down, as if it is...
  3. R

    1999 Tahoe speed sensor ?

    1999 Tahoe 2dr LT 5.7 sfi. When cruising at around 60mph, the engine sounds as if it is trying to continually change up & down but stops doing it if I accelerate slightly. Also when I accelerate hard to overtake, it sounds as if it is selecting neautral gear but when I lift off the accelerator...
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