1986 Mazda RX-7 Won't Go Past 45 MPH

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JUSTINMONROY
  • MEMBER
  • 1 POST
i have a 86 rx-7 at 108k miles and the car won't go pass 45 mph. i do not know how to fix this problem. please help! thanks!
Jan 3, 2006 at 10:06 AM
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COSMO
  • ✓Experienced Mechanic
  • 347 POSTS
the most common problem with rx-7's of that age and milage is that one of the many cat. convertors tend to clog up so no exhaust can come out. Take it to a good shop and have the cat's checked.

Cosmo..your friendly Mazda tech
Jan 5, 2006 at 2:13 PM

Suggested Repair

Have the catalytic converters inspected at a reputable shop, as a clogged converter is a common cause of restricted exhaust and limited speed on an RX-7 of this age and mileage.

Conversation Summary

The owner of a 1986 RX-7 with 108,000 miles reports that the car will not exceed 45 mph and asks how to fix it. An expert explains that clogged catalytic converters are a common problem on RX-7s of that age and mileage and recommends having the converters checked at a good shop.

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