Line pressure problem in trans due to low fluid, bad pump etc. Check fluid first.
it will drive but when in reverse it wont move
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A car that won't move when in reverse could indicate a problem with the transmission. It could also indicate a problem in the gear selector.
crankshaft
bad transmission
If you have an automatic transmission, it probably has a forward clutch/band problem.
Check transmission fluid level.
No, the odometer does not move when a car is in reverse.
Yes you need to get a new transmission, because somehow you burnt out your reverse so it wont move in reverse. So you will probably have to get a new one. A cheap one is roughly $2000 give or take $100.
The purpose of an accelerator is the car is to give the engine gas so the car will move.
parking brake cable may be sticking.
Check transmission fluid level Perhaps needs transmission rebuild