2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Bad Economy and Car Struggles to rev past 5000rpm

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Old Oct 25, 2001 | 03:40 AM
  #1  
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From: Adelaide, SA, Australia
Bad Economy and Car Struggles to rev past 5000rpm

Car is always serviced, including plugs.
what could my problem be?
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Old Oct 25, 2001 | 06:51 AM
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About a million things....

Be more specific, and post things like how many miles, usage, condition, compression check etc etc...
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Old Oct 26, 2001 | 09:57 AM
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From: Adelaide, SA, Australia
Sorry, forgot to write all that down before.
I was in a rush.
Fuel usage: 8-9MPG
Compression: 95psi on all 3 sides of both rotors.
Car is unmodified, except a replacement cat a couple/maybe few years ago(previous owner)
It is a 1987 Turbo 2.
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Old Oct 26, 2001 | 08:46 PM
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From: Ft. Worth, Texas, USA, Earth, Solar System...
I would say your cat is clogged. ESPECIALLY since you mentioned it has a replacement cat- the "generic" replacements do NOT hold up well to the temps put out by a rotary.

Brad
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Old Oct 29, 2001 | 04:44 AM
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Wink

Well, low mileage could be caused by clogged cat(s), but this would show up in other areas too (like performance). In any case, a checkup of the engine and the exhaust system is in order (of course once you get all the minor things out of the way, like plugs, wires, TPS etc).
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Old Oct 29, 2001 | 08:44 PM
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I had the same problems until I gutted my cats.

jerk_racer@hotmail.com
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