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kick down sensor S90-V90

posted by  vova on  Sun Dec 2 20:48 CST 2012
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last visit: Thu Jan 10 21:47 CST 2013
[RELATED]

S90 160,000. no CEL, no transmission codes, no flashing lights WES or arrow.

I tested kickdown sensor as per volvo transmission manual.
it reads infinity resistance which is bad, it should read 0 oHms at full throttle and infinity anyother throttle positin. Manual says to replace but can such sensor cause fast shifitng and lock up?? This sensor functions only when you floor gas pedal, am i right??otherwise it should not affect shifting and lock ups, not sure.

my car shifts too fast and lock ups giving a jerky ride, probably lock up solenid as most mechanics told me.

but before i let my transmission be touched i checking every sensor that i can reach related to the operation of transmission.

Also if i disconnect TPS car shift just fine no jerking.TPS checked, voltage and resistance as per manual.

thank you all for your help.






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