2005 ISUZU ASCENDER
90,000 MILES
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My SUV runs great but will only go 30mph then it sputters and stays at that speed,what cuold be the problem?
Mar 30, 2013 at 3:01 PM
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ASEMASTER6371
  • CAR REPAIR CONTRIBUTOR
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sounds like a clogged cat converter. have the backpressure checked.

Roy
Mar 30, 2013 at 3:09 PM
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FREEMBA
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is the check engine light on? if so, have the codes read at autozone or somewhere like that. post the codes here for further assistance.
Mar 30, 2013 at 3:16 PM