Question about 1999 Acura TL

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99 TL engine roars and shakes when pressing on gas.

About 6 months ago I was driving my car locally, suddenly the TCS and the engine lights came on and the engine roars and tremble when press the gas pedal. The next day I drove about 5 miles to my local mechanic in that condition. Since then, I have changed the transmission, spark plugs, coyle, complete tune-up. The car got better but not completely (cured). I would still feel some rattling every once in a while.
About 1 month ago when the weather started getting real cold, the car got worse with the engine light flashing when pressing the gas pedal and the engine rattles while both TCS & engine light permanently stay on.
I already spent over $1500, and my local mechanic is now telling me that I may have a bent valve, while someone else is pointing toward the distributor. Before I spend another penny I would like to get another opinion.
Thanks,

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  • Subhadip Jan 28, 2009

    It seems I am having the same problem. Please let me know.

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A flashing chack engine light means you have a catalyst damaging misfire the tcs light comes on because this system will not function with certain codes stored for the engine or trans. knowing that you have a misfire you very well could have a bent valve the question is why. have someone check the engine timing incase the timing belt tensioner has failed. i have seen this happen on the 3.2 before or a burnt exhaust valve . as far as the distributor goes the 99 tl does not have one it has cop (coil on plug ignition) . this means you have a seperate coil on top of every plug one of these could have failed check the code to see if the problem is isolated to 1 cylinder rhen start looking at that one and you better hurry that light flashing means you will damage the catalitic converter if the car continues to skip good luck and i hope this helps you.

Posted on Feb 04, 2009

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Posted on Jan 02, 2017

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