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This diagnostic trouble code, often referred to as the “Cataly?

So about 2 years ago I got my 2012 1. codes P0131, P0171, P0420. Runs good but the downstream o2 sensor never evens out even during cruising. If a new cat is not able to clean up exhaust to keep computer happy then the engine has an issue and is sending raw fuel, oil or coolant through exhaust, reducing efficiency to below acceptable range. Runs good but the downstream o2 sensor never evens o … read more This page is meant to help you troubleshoot the Chevy Trax P0420 trouble code. climbing stick parts Would you recommend to change the downstream sensor as well or would that not make a difference. P0420 and P2135. P1101 is one of the most common of the Chevy Cruze trouble codes. The check engine light codes read: P2227 - Barometric Pressure Sensor "A" Circuit Range/Performance (Fix: Replaced Turbo charger). 4L Turbo Gen1 Service Issues 👋 CruzeTalk New Member Introductions Gen1 Appearance,. mickey mouse clubhouse season 3 Owners of the 2011 Chevrolet Cruze have. Yall, I had a p0420 and was just riding on it because I didn't want to replace the CAT. Downstream oxygen sensor (HO2S) wiring damaged or connected improperly. The check engine light came on and it's reading P0420. It uses this data to tune the engine on the fly. A 3-way catalyst controls emissions of hydrocarbons, Carbon Monoxide (CO), and Nitrogen Oxide (NOx). osrs wiki P0299 is an underboost code, triggered when the ECU detects that an underboost condition exists. ….

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