The "Italian Tune-Up" is a common fix for a range of automotive problems, including a clogged catalytic converter. Running a vehicle harder than usual for a few miles e. For example, if you typically fill your vehicle with the cheapest low-octane fuel, try running your vehicle on a few tanks of high-octane fuel.
Adding one gallon of lacquer thinner to ten gallons of gas at your next refuel may also be effective clearing out catalytic converter deposits. You can try either of these methods in combination with the Italian Tune-Up method. You may need to fix other engine problems in order to solve your catalytic converter problem.
A lazy oxygen sensor might falsely indicate a catalytic converter problem, yet not set a DTC for itself. A technician can determine if the sensor is responding as it should. Other engine problems, such as fuel trim running too rich or too lean, oil or coolant burning, or engine misfire problems could all lead to catalytic converter contamination or premature failure.
Depending on the extent of the damage already done, fixing engine problems might save the catalytic converter from a meltdown. Exhaust leaks are common and can skew oxygen sensor readings without setting other DTCs. Worn exhaust gaskets and corroded flex pipes are two common issues that are significantly less expensive and more effective than replacing a catalytic converter.
Removing and cleaning the catalytic converter is another potential fix. After removing the catalytic converter, use a pressure washer to blast out any contaminants from the matrix. Be sure to flush the unit from both ends. Another way to clean the catalytic converter is to soak it overnight in a combination of hot water and degreaser or laundry detergent. This process takes longer but is necessary to dissolve the deposits clogging up your catalytic converter.
The manufacturer was not contacted. The failure and current mileage was , The VIN was not available. Consumer states vehicle suddenly began making rattling and loud popping noise the consumer stated while leaving work, the vehicle suddenly came to a halt.
Even though the vehicle was on, the wheels would not move forward. Upon inspection of the vehicle, the mechanic discovered the right axle had broken. Prior to the axle failing, the catalytic converter had to be replaced which was the cause of a loud noise coming from the engine and it also caused the brake booster pipe to melt, which left the consumer with no brakes.
Tl-the contact owns a Volkswagen Passat glx. While driving approximately 40 mph the vehicle engine light came on. The contact stated he drove the vehicle to his destination. The vehicle was taken to a local repair shop and he was told the catalytic converter needed replacing.
The failure was constant since July 1, The vehicle has not been repaired. The approximate failure mileage was 51, and the current mileage was 62, I have had my vw Passat for 7 years now and have had it in the shop multiple issues including warped rotors front and back , cracked chasse, electrical issues and various other problems.
Before having this car, I had a Toyota for 8 years and in the 8 years I had the Toyota, I only had it in the shop for routine maintenance. I think the vw Passat is a lemon. While driving approximately 30 mph, the vehicle vibrated excessively and smoke began emanating from the passenger side.
The engine light remained illuminated on the instrument control panel. She pulled over to inspect the vehicle and noticed flames coming from the catalytic converter. The dealer stated that the electrical system, emission coiler, and oxygen sensors failed. All of the repairs were made. The contact filed a formal complaint with the manufacturer. The powertrain was unknown. The failure and current mileages were 52, The consumer stated the vehicle has not been driven in a year and a half due to the oil sludge and misfiring problems.
The catalytic converter failed and the spark plugs and coil packs were constantly being replaced. I only drove 5 miles after the coil pack failed trying to limp back to the dealer when the fire started. I put the fire out myself. The contact stated that the on-board diagnostic indicated that the catalytic converter needed to be replaced. The dealer and manufacturer refused to replace the unit.
The dealer stated that there were no recalls available. The VIN, engine size, and dealer information were unknown. The failure and current mileages were 75, I've had my Passat now for 3 years, my husband and myself see to it that our cars have annual tune-ups and regular oil changes. For the past month the abs and brake light has been flashing non-stop. During my most recent tune up, I was informed that the catalytic converters have to be replaced. He is now my Mechanic that I will call on for all my car's needs.
I will also recommend him to my friends whom have been taken advantage of by other car shops as I have been, and are looking for someone honest , that will not take advantage of them Thank you so much Nicholas for resolving my issue with my car. I feel relieved and happy with the outcome.
Tony 40 years of experience. Request Tony. Brent 8 years of experience. Request Brent. Jeep Grand Cherokee V On time for appointment. Later he sent a text with the diagnostic findings,. Need Help With Your Car? Related articles.
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