I have 1999 silverado small V8 check engine light stays on disconnected the battery when i reconnected the speedometor needle was stuck up over 100 per hr and check engine light stayed on. at the same time the transmission gets hot and when shift from 1st to 2nd shifts real ruff.
Low power. Battery life is possibly finished. They have limited life.
Do some research on the speed sensor sounds like it may have shorted.
If you have an autozone in your area, take it there. Ask them to plug in the obd unit and diagnose your issue. They can give you a printout of what the issue the obd is seeing, can sell you parts, and even show you how to replace whatever.
Semper Fi,
Z
SOURCE: Automatic Transmission shifts late and rough after warm
If it has over 60000 miles it may need a transmission service, which includes a filter and fluid change, fluid may look fine but if filter is clogged and not picking up fluid fast enough when u give it gas the pump spins faster and forces fluid thru to shift, more fluid is needed to shift into higher gear.than to drive
SOURCE: 1998 chevy k1500 4x4 4
first of all your truck is already in first gear when your going down the road....lol
SOURCE: Transmission won't shift!
Does it just not shift up to 3rd or when it shifts to 3rd it is just like neutral?
SOURCE: 1999 chevrolet silverado 1500 Z71 5.3 engine 4wd
change the fluid and filter if u havent already if that dont fix problem have trans. checked out u didnt say how many miles are on the vehicle?
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