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Throttle switch click 200

posted by  dnordin on  Wed Sep 1 12:42 CST 2021
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Thanks Again Dave,
I have replaced the CPS twice in the past 2 years, the wiring from the sensor to the Connector is new, the rest of the wiring looked OK based on a visual inspection. I do have either a transmission pump leak or a rear main seal leak as I can see oil leaking from the bell housing. I had the transmission resealed by a volvo shop when I bought the car a few years ago, but they did not want to replace one of the seals as they said it could end up requiring disassembly of the trans to get to that one. Funny thing is that the level in trans or the engine does not really change much over time. Although a small leak can make a mess when it is flung around in the bell housing.
Do you think that that oil is fouling the sensor? I did not think so as the sensor appears to just be a magnet that sends a signal to the computer based on the flywheel teeth, or a reluctor passing by it and interrupting the magnet field. One sensor was a bougicord, the other was Italian but I forget the name. Maybe some dielectric grease on the face of the sensor would help when I replace it???
The CPS sends a signal to the ignition amplifier, if I am not mistaken, could that be a culprit?


Thanks,

Don
--
1991 240 Sedan auto






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