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P0 1330 on a 1997 S500 means that the right front sensor is lazy!

Is the sensor lazy because it is bad?? about 75% of the time the answer is YES, however many times a vacuum leak or fuel pressure regulator can cause the sensor to function too slow as well.

You need to carefully check the intake manifold & crankcase breather hoses for possible leaks.....You did use a OE Bosh sensor designed for that application? not a generic splice in sensor?

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