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Posted on May 06, 2009

When i start the car it idles ruff and dies sometimes the check engine light is on. It dies while trying to drive when you let off the throttle. I have an 89 Buick lesabre. It usually takes my car anywhere from 3-10 tries before starting. Once it does start, it sputters, and sometimes dies if I don't hit the gas pedal. It's even died while driving. It barely wants to take off when I press the gas, it takes about 30 seconds to get to 40 mph, and now it doesn't want to go any faster.

  • Shade Tree All Repair

    Un hook the exhaust don't take it completely loose just loosen the bolts and let the exhaust separate from the intake manifold enough to where you can see a gap there. When it is apart try cranking the car then see how it runs if it runs much better you catalytic converter needs replaced. this is a free test and costs nothing but your time. If this does not make it run better get back to me. We will need to check other items like the throttle position sensor switch. Please rate my solution it is how i earn my achievements.

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  • Posted on May 06, 2009
Anonymous
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Could be the O2 sensors

  • Anonymous Jul 27, 2009

    check your mass flow sensor or air filter

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