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post #1 of 4 (permalink) Old 10-13-2016, 12:48 PM Thread Starter
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2009 Last Cobalt, No Thrust

So I replaced my wife's flex pipe cause that was needed an spark plugs now when she try's to Accelerate on to the high way it jumps up an sounds like V-tech but no thrust on acceleration
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post #2 of 4 (permalink) Old 10-13-2016, 01:27 PM
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Sounds like you may have collapsed your CAT. Did you weld a new pipe on without blocking the CAT?

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post #3 of 4 (permalink) Old 10-14-2016, 07:42 AM Thread Starter
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I had a friend weld it for me, so it might just be the cat, huh?
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post #4 of 4 (permalink) Old 10-14-2016, 08:16 AM
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Hot steel falling into the cat isn't going to help for sure. A garage Tech would be able to pull the upstream HOČ and go inside with a camera to inspect the mouth of the CAT and determine the condition and if there's any obstruction. Sometimes trying to save money ends up costing you more....

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