Question about 1995 Chevrolet Lumina

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Hiccuping while excelerating

My 95 lumina runs great, some rough idle problems at times but nothing unheard of... but if i am going uphill on the highway it hiccups...to get it to stop, i have to let off the gas then press on it again, then it will stop for a while....it even does this while on cruise control.

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  • sheilacronk Mar 12, 2009

    no check engine light (heavens knows i am not that air headed..lol) the hiccup doesn't seem like it is hurting the actual performance of the vehicle, but very annoying when cruising down the highway. 134k miles...has continued to do this after a tune up and several oil changes and fuel injection cleaners. also saw online somewhere it could possibly be a TCC sensor? or a coil or computer issue. the car does not overheat or die.

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  • Chevrolet Master
  • 2,984 Answers

Sounds like a failing MAP/MAF Sensor....manifold absolute pressure sensor or mass air flow sensor. Do you happen to have a check engine light on?

Posted on Mar 12, 2009

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