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1992 Mazda RX7 problem with my acceleration

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1992 MAZDA RX7
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 129,000 MILES
1992 Mazda RX7 Turbo 13B mileage: 129,000. I am having a problem with my acceleration. If I only put the throttle down a little bit before half way, the car runs fine. It will boost and accelerate all the way to 7000 if I wanted it to. But if I push the throttle past half way, it stutters, and feels sluggish, if I floor it the check engine light comes on. It is intermittent though, because sometimes it will go when floored and sometimes it won't. I've put new secondary injectors, oxygen sensor, and bac valve. What could be the problem, the TPS? Or the boost sensor?
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Monday, November 22nd, 2010 AT 8:09 PM

1 Reply

Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
Check the fuel filter, fuel pump and fuel pressure regulator to make sure they are all functioning properly. Also, check the catalytic converters to make sure they are not plugged.
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Monday, November 22nd, 2010 AT 8:11 PM

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