The first place to check is the throttle position angle with GDS2. PIP5197 and PI0907B- (PI0907Bsuperseded by PI0907C) among others. Several PI's have been published to address this problem. The P0420 trouble code will appear first before P1101 as the parameters are much more sensitive, do not replace the converter until a proper diagnosis has been performed. The problem is caused by unmetered air entering the engine through the PCV system. Lean codes may also be set with possible rough running or idle surge complaints. There have been problems with P1101 set in the Cruze or Sonic with the 1.4 turbo engine. General Motors and US Environmental Protection Agency emissions testing found vehicles that did not comply with the carbon monoxide emissions standard on the US06 emissions test. General Motors has decided to conduct a voluntary emission recall of 2011-2013 Chevrolet Cruze vehicles equipped with a 1.4L engine (RPO LUJ or LUV) and an automatic transmission. Reprogram Engine Control Module Carbon Monoxide Emissions - 2011-2013 Chevrolet CruzeĮquipped with 1.4L Engine (RPO LUJ and LUV) and Automatic Transmission He replaced the gasket, no exhaust leak and the code does not reset. The Tech smoke tested the exhaust system and found an exhaust leak where the cat bolts to the exhaust manifold. The scan tool P0420 - Catalyst System Low Efficiency.Ĭampaign 14801A (Emissions Reflash) was completed at GM dealer.įreeze Frame data is inconclusive, shows code set at 700 RPM, fully warmed up, off-idle throttle. The customer returned after the catalytic converter was replaced and the P0420 reset. All equipped with 1.4L engine Community Repair Questions
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