1997 Chevy Blazer overdrive

Tiny
PHILIP49
  • MEMBER
  • 1997 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 18,600 MILES
Won't shift into overdrive causing poor mileage
due to a higher RPM. Could this be a sensor problem?
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Friday, November 21st, 2008 AT 5:38 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • EXPERT
If your transmission is picking up a fault it will go into protection mode which is no overdrive. This may just be a solenoid or sensor. Unfortunately it could be something more serious like a pressure problem. Long term running in this condition will most likely cause damage. I suggest having a transmission shop do a diagnostic on it. That is a small price to pay when compared with a rebuilt or new transmission.
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Friday, November 21st, 2008 AT 10:26 PM

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