Question about 2000 BMW 3 Series

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2000 323i have replaced both cam senors intake

2000 323i have replaced both cam senors intake and exhaust but still have a P0340 (65) code that returns after driving , also is sluggish on accel and stalls on decel sometimes while driving, have tested power and ground at intake sensor connector and wave signal at idle ok car has 120k does not look real sludged

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When I looked up the p0340 code it said the following:

OBDII:P0340 Camshaft Position Sensor Circuit Malfunction

The next logical step was for you to change the sensors as they may have been bad. And, your looking at the wave signal at idle was well advised.

However, the camshaft position sensor, like a crank sensor, is a pickup coil device. And, if the pickup coil does not sense movement due to 'calibration' issues from the factory or due to wear, then you have a problem that can't be fixed by simply replacing the sensor with a known good sensor.

The problem may be wiring to the computer or a miscalibrated sensor to tooth ring or magnetic distance problem.

I've had experience with a 1998 Ford Taurus that has a camshaft sensor that when replaced did not fix the code that was indicated. And, that car has a service engine soon light that goes on the winter and off in the summer.

Also, have a Satellite Dish that uses a system similar to a pickup coil on a car, that periodically loses track of satellites when scanning the skies. This is a similar break down in technology that is employed to detect movement accurately.

I think that, therefore, it's going to be expensive to fix, and may have to go so far as to get another engine with lower miles to fix the problem, if the simple wiring fix doesn't work for your vehicle.

Posted on Jul 08, 2010

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