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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 23, 2021
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2013 Chevrolet Cruze Eco 1.4L Surge, Poor Fuel Economy
I have had this code for over 100,000 miles and nothing I do makes it stay gone. It will go away for a short time but usually returns within 50 miles. The car has a surge on acceleration (Especially when cold). I can feel it and hear it in the turbo. The... Trouble codes: 0420 (Catalyst system low efficiency)

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