why does my car start to stutter when I reach 60mph or 3000 rpm but when I give it more gas it stops?

1995 MAZDA 626
191,000 MILES
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TRMCRAIG1429
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When the car does this. the rpms rise and fall
Sep 16, 2011 at 1:38 PM
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JACOBANDNICKOLAS
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If the check engine light has come on, have the computer scanned to identify trouble codes. Most parts stores will do it for free. It sounds like a throttle position sensor issue, but that is a guess without the engine code.
Sep 17, 2011 at 5:23 AM
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TRMCRAIG1429
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The check engine light has never came on. When the car does this, as soon as i push harder on the gas it stops
Sep 18, 2011 at 2:55 AM
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JACOBANDNICKOLAS
  • CAR REPAIR CONTRIBUTOR
  • 110,190 POSTS
Have the throttle position sensor checked. I would also recommend checking for vacuum leaks.
Sep 18, 2011 at 4:16 AM
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TRMCRAIG1429
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How hard is it to change that sensor out?
Sep 18, 2011 at 5:07 AM
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