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

Tiny
TRMCRAIG1429
  • MEMBER
  • 1995 MAZDA 626
  • 191,000 MILES
When the car does this. The rpms rise and fall
Friday, September 16th, 2011 AT 1:38 PM

4 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
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.
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Saturday, September 17th, 2011 AT 5:23 AM
Tiny
TRMCRAIG1429
  • MEMBER
  • 3 POSTS
The check engine light has never came on. When the car does this, as soon as I push harder on the gas it stops
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Sunday, September 18th, 2011 AT 2:55 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Have the throttle position sensor checked. I would also recommend checking for vacuum leaks.
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Sunday, September 18th, 2011 AT 4:16 AM
Tiny
TRMCRAIG1429
  • MEMBER
  • 3 POSTS
How hard is it to change that sensor out?
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Sunday, September 18th, 2011 AT 5:07 AM

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