Sensors problems

Sensors: Electrical device that measures the different performance parameters of the car.
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Acceleration failure

Opel Vectra 1997  167000 miles
When pressing the accelerator pedal thoroughly, the vehicle suddenly chokes. When releasing the accelerator, the engine vibrates and seems to be about to stall, but then revolutions raise slowly. I've already changed the TPS, CKP and oxygen sensors, the IAC valve and injectors; the engine has been adjusted as well, but nothing got better. Even more, when setting the D-type overdrive, revolutions drop and the engine stalls, without moving any longer.
Elysia from United States 9 years ago  
EL
1 reply 
ESTELLA from United States 9 years ago
There is a wire with a sensor that leads to the cylinder block. They are three wires that, due to the heat, tend to touch between them, causing the failure you mentioned. It is not hard to solve but quite difficult to find.
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Stalled

Opel Vectra 1997  100359 miles
When driving on a highway, the engine suddenly stalled and I have not been able to start it again since then. I personally believe the problem might be the pump or some sensor; what do you think?
Lafayette from United States 9 years ago  
LA
1 reply 
Evangeline from United States 9 years ago
The same occurred to me and it was the timing belt. Good luck.
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Acceleration failure

Opel Vectra 2003  2000 miles
Good afternoon, buddies. After 10-15 seconds of starting the engine, the vehicle suddenly accelerates. I've already changed the throttle body and the pedal, but everything remained the same way. When scanning it, the wheel speed sensor LH code has been indicated; can it have anything to do with my problem? If this sensor is broken or damaged, does it send any signal to the computer which might cause the vehicle to accelerate? Thanks for your help.
silence from United States 9 years ago  
SI
1 reply 
Adela from United States 9 years ago
Your problem is the MAF sensor, which is together with the air filter.
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