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Old 09-22-2020
S281sc#1289 S281sc#1289 is offline
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Join Date: Apr 2020
Location: Redmond oregon
Posts: 21
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Limp mode or failsafe mode is something the ECM goes into when it detects a problem. If that’s what it is you would have limited throttle response and sometimes a higher or lower idle. First thing I would do is check and clear all codes, and see if it goes away. It could be a lot of things, hard to diagnose on the internet. That’s where I would start if it was my car.
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