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Camshaft Position Sensor

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Can anyone tell me what happens to the engine when the camshaft position sensor fails? Does the car not start? This is about a 1993 850. Thanks.

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Posted

Can anyone tell me what happens to the engine when the camshaft position sensor fails? Does the car not start? This is about a 1993 850. Thanks.

That is correct from what I've been told by my mechanic. The car looks for a signal from the cam position sensor prior to firing the coil/plug.

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I think that might be my no-start problem. What cooncerns me is that there are no DTCs for this problem to confirm it's a CPS...

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That's an attractive offer, but shouldn't I have a DTC or two if it were infact the camshaft position sensor? I removed a plug, attached back to the boot, cranked the engine and got spark. So if the the sensor fails, then it shouldn't allow spark to occur...

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Posted

Can anyone tell me what happens to the engine when the camshaft position sensor fails? Does the car not start? This is about a 1993 850. Thanks.

Not all the time...many times it will start and run but stalling is an issue....pull codes from socket A6

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Posted

I tried pulling codes. None at all found. I have spark, I think it may be fuel delivery - don't know. The fuel pump works, gas squirts out at the fuel rail valve. I have to test the actual p.s.i. at that valve though. It almost wants to turn over each time I try. Darn this sucks.

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Posted

By the way, does anyone know if this car (1993 850) has a cold-start device?

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