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Old 12-06-2001, 07:55 PM
Posts: n/a
500 SEL Engine Hesitation/shake

I got my car back from the shop last week after having the timing chain replaced, new plugs, new plug wires, ignition module, lambda adjustment, and other diagnostic/adjustments for among other problems rough idle and black smoke at start up.

It ran fine for about 100 miles and now today another problem.

It runs great when cold lots of power, good acceleration, etc.

After it is warm I can floor it and the engine will shake and hesitate for about 2 seconds and then it will go (but not as fast as it should).

Any ideas?

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