I have a 94 camry , when i am driving the car at 40mph the speedometer shows 125mph, i changed the speedsensor and i have the same problem, even when the engine is not runing only with the ignition in contact position the speedometer goes up to 25mph , also if i desconect the speed sensor the speedometer goes up to 25mph.

The other problem that i have with the car is that when i am driving the car runs ok but when i stop at a traffic ligth or if i make a turn the engine dies.

i check the car with a clip and i found 3 diferent codes: 24 ,31, 41[/align]

 

Code 24: Intake air sensor
Code 31: MAP sensor
Code 41: Throttle possition sensor

It could all of these have failed OR there is an open circuit in the common ground used for all of these sensors.

This brown wires going from all of these sensors goes to the E2 terminal of the computer.

Check out the wiring first for open circuits first. If you solve the trouble codes the speedo issue may go away.

As to the engine stall issue. What RPM does the engine idle at? Does the engine RPM increase or drop when the AC is working?

 

Please carefully read what toyomoho has typed.

I have removed your other posts, please do not post the same questions multiple times, thank you.