Catalytic Convertor Problems of Chevrolet Malibu

The contact owns a 2007 Chevrolet Malibu. While driving approximately 40 mph, the vehicle stalled and the engine warning illuminated. The vehicle restarted after several attempts; however, the failure recurred on two other occasions. The vehicle was taken to an independent mechanic, who diagnosed that the catalytic converter needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 203,954.

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The contact owns a 2006 Chevrolet Malibu LS. The contact stated that the fuel gauge was inoperative and would read that the tank was either empty or full erroneously. The check engine warning light would also illuminate intermittently. The dealer denied any assistance with repairs to the vehicle and the manufacturer was not contacted. The vehicle was not repaired. The failure mileage was 60,000 and the current mileage was 73,000. Updated 11/16/lj the consumer also stated the catalytic converter was clogged and the vehicle would not accelerate in passing gear. Updated 11/30/11.

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- the contact owns a 2005 Chevrolet Malibu classic. The contact stated that the popping sound in the steering wheel has occurred since he purchased the vehicle. The contact has a problem with his brakes. The calipers have been replaced three times since he purchased the vehicle. The contact stated that they worked for a few days and began to squeak excessively again. Also, there was an egg smell in his car and began a few months after purchasing the vehicle. The contact would like to know what could be done to correct the ongoing vehicle incidents/failures.

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3 weeks ago my 2002 chevy Malibu started to run like #@$% (hesitation between 0- 35 mph and going up hill, loss in power, and slow at catching up to freeway speed). I have replaced spark plugs, coils, and the egr valve and the problem still occurs. Well, after further investigation online, I found other people to have the same problem and it turns out that it's with their cat converter. I can't even order the part online because of strict emission control in California, I need a mechanic to do it,get it straight from the dealer, or have auto zone do a special order for me (I found a mechanic that will do it for $800). Next is my head gasket, which looks like it has to be replaced. On 4-8-06 I got an oil change and was told that there was oil in my coolant reservoir tank, which means I have an oil leak. So now I have to take my car in and have the head gasket replaced which won't be cheap either. . Read more...

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First noticed problem when driving on freeway and attempting to make a lane change vehicle did not speed as usual and had to return to lane to avoid accident. While driving vehicle from a complete stop, vehicle struggled from 0 to 25 mph. When going up bridge vehicle would not go faster than 20 mph. Vehicle does not have much power. Vehicle was taken to mechanic and replaced sensors but problem still occurs. After further investigation of problem mechanic realized that the problem is the catalytic converter. The repairs have not been made. I entered the website to find out if there are any recalls on this vehicle for this problem (recommendation from mechanic).

The latest incident is the catalytic converter. The car began to hesitate at 50-60 mph and started losing power. I took it in and was told it was fine. Pickup became non existent and the dealer finally diagnosed the problem after changing the fuel filter and other regular maintenance items. I limped into the dealer and was told it would cost $1600. I took it to a garage and it cost $150. The aggravation with this car is frustrating to say the least. Warning Malibu owners. . . The converter is a known failure item they don't want us to know about!!.

Fuel pump, discontinued, but not recalled.

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While driving check engine light illuminated. Technician serviced vehicle and noticed that the catalytic converter needed to be replaced.

1999 Chevrolet Malibu. "check" engine light has repeatedly come on since March 03. Scan reads code p0420 catalyst system low efficiency. Vehicle is out of emission warranty. Vehicle has been into Chevrolet dealer twice for to diagnose this problem. Obdii diagnostic can not find a defective component or cause for code. Through default, dealer diagnosed problem as bad converter. Catalytic converter has been replaced twice with non oem brand since problem first diagnosis in March 03. Obdii code p0420 reappeared again 2 weeks after last converter was replaced. I am beginning to doubt reliability of obdii system. The original and 2 replacement converters can not all be bad. No faults for other emission components have been identified by obdii.

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From the initial operation of the vehicle it smelled as if it had a slight oil leak on the exhaust. The vehicle emitted a slight odor that continued to grow stronger as the car was driven more. At no time could an oil leak be found. The car was eventually taken in for this problem and others on March 17, 2001. By April 24, 2001 Chevrolet stated that the problem was determined to be related to the catalytic converter and they could not fix the problem. The car has not been able to be used since March 7, 2000 due to the acrid smell of burnt oil inside the car. The smell caused me to be unable to operate the car do to irriation to my sinus and eyes. I am concerned that this problem could cause someone to be seriosly ill and possibly lead to a collision as a result of impairment to the driver.

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