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Why is check engine light on and reduced power light on for 2001 Isuzu Trooper?
Tulane21
My 2000 Isuzu Trooper does the same - the reduced power light comes on, often after a hard break, and then the vehicle won't go over 10 mph. The gas pedal sometimes stops working altogether; the check engine light has been on for a year.
The scanner checks produce up to 6 error codes intermittently. Resolving those issues doesn't solve the reduced power problem. I have replaced the throttle position sensor twice, and more other parts than I can name, including the central computer. Mechanics at two different repair shops each spent a week each going through every single wire to search for a short (I live in Mexico, where labor costs are cheap enough to make this possible, and mechanics don't charge if they fail to fix the prolem). After the second mechanic located and repaired a broken wire, my vehicle worked briefly. Today the problem returned.
Many people are reporting the same problem and some solutions in the discussion thread at http://www.automotiveforums.com/t343629.html.
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∙ 13y ago
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