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· Premium Member
17,244 Posts
Dumping unburned fuel into cats can cause cat failure, backsucking of cat grit, destroying engine.

What has been extremely frustrating is that every time i have taken it in for the exact same symptoms since the warranty has expired...they want to charge me to even run the diagnostics...and they say the see a misfire.
If they can't diagnose the problem, how do they know it isn't caused by something covered under the 5 year - 60,000 mile powertrain warranty or 8 year 80,000 mile federal emissions warranty?

I would talk to a lemon law lawyer.
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