when too much fuel is injected into the combustion chambers and there isn’t enough air, can damage the catalytic converter in Chevy Cobalt. Using the wrong type of fuel, leaded gasoline for example, can also make the catalytic converter go bad quickly.Ī fuel mixture that is too rich, i.e. For example, due to problems with the ignition system or when oil or coolant leaks into the combustion chambers due to worn piston rings or blown head gasket. However, it can fail much earlier due to contamination, overheating or physical damage. There are many factors that affect its service life, but typically catalytic converters last for around 100,000 miles or 10 years in Cobalt. If these pores get clogged, the exhaust gases cannot pass through. Catalytic converters contain honeycomb-like structures with tiny pores that are coated with platinum, rhodium, or palladium depending on the catalyst stage. Over time, carbon deposits accumulate and clog up the catalytic converter, especially if the vehicle has racked up a lot of miles. Causes for catalytic converter failure in Chevy CobaltĪll catalytic converters fail eventually since its a wearing part. With a noticeable loss of performance, high fuel consumption and more harmful emissions at the tailpipe, a defective catalytic converter should definitely be considered. This causes the vehicle to fail an emissions test. When the catalytic converter in Cobalt is broken, it loses its ability to properly filter out toxic exhaust gases coming from the engine. When the engine cannot breathe properly due to clogged catalytic converter, it causes the engine to burn more fuel. Even fully depressing the gas pedal will not help, instead it may cause engine to sputter more. But after reaching a certain speed, the performance of the engine will drop due to blockage of increasing exhaust gases in the system. When you press the gas pedal from a stopped position, the vehicle may accelerate normally initially. Find out more about our advertising opportunities.The most obvious sign of clogged catalytic converter in Chevy Cobalt is slow acceleration or degraded engine performance. Advertise Advertising on is well-targeted, has unique benefits, and is highly successful. Looking for something lighter? Read our funny complaints to see people who found humor in a bad situation. Vehicle Problems Find out what cars to avoid, view the latest problem trends, or keep up-to-date with the most recently reported problems.
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2008 chevy cobalt gas leak recall drivers#
Car Problem Resources Around the Site Information Find out more about us in the press or read stories from drivers who praise our work.The complaints are organized into groups with data published by vehicle, vehicle component, and specific problem. Pray that Chevy gets what is coming to them and that they go bankrupt with NO BAIL OUT.Ĭ ® is an online automotive complaint resource that uses graphs to show automotive defect patterns, based on complaint data submitted by visitors to the site. I am going to rid myself of this POS ASAP. I refuse to feed the Corporate Chevy monster for obvious reasons. I am going to get my car fixed by a private mechanic. (There's NO such thing as a coincidence and any moron can see that it WAS NOT fixed in 2007)Ģ. I am also going to tell them this is obviously a known issue although Chevy denies it. I am going to TELL everyone and tell them to pass it on that Chevy USED to be a good car, and now it's crap. I have a VERY large family, some have Chevys already.ġ. It's too bad Chevy said this problem was fixed in 2007, yet I see several owners have this issue. Fuel leak either in the line or at the pump, still have to get it looked at.
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