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Thread: s10 with gutted cat, bad mpgs.. CEL on, Limp home mode from downstream cat?
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Old 09-04-2012, 05:56 AM
frige frige is offline
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I have to agree with the muffler possibly being plugged up. I doubt the last owner gutted the cat, it probably just came apart. Get under the truck and bang on the muffler. If it rattles replace it.
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