Tip & How-To about Chevrolet 1500


Sooner or later, most cars will need to have one or more catalytic converters replaced. The old converter off your car or truck can be recycled for cash. Some of the older converters are worth enough to pay for having a new one installed. But most people are not aware of how valuable they are, so they let the muffler shop or repair shop keep the old converter. The muffler shop will recycle the old converters for money that should have gone in your pocket. Personally, I think there should be a law that requires the muffler shops to give the old converters to the customer, or have the customer sign a waiver saying they do not wish to keep the old converter. The waiver should state that the converter can be recycled for cash. And if they waive their right to keep the old converter, the muffler shop should be required to reduce the cost of the new replacement converter by a percentage of the value of the old converter.

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What to do to fix a 420 code

420 is a catalytic converter afficiency code. It could cause by many problems: bed fuel, old spark plugs, sensor wiring connection. I would replace plugs and fill with premium fuel, turn off the code and drive to see if it comes back. If it does, stop by any muffler shop and have them run cleaner threw your system, it may give you 5 to 6 month driving but sooner or later you will need new cat for your car. Hope it helps.

Apr 30, 2014 | 2005 Chrysler Pacifica

1 Answer

Honda Accord 1991, the car can't pass the smog check. what do you think is the problem?

Probably the old catalytic converter. Could also need a good tune up with new spark plugs and a fresh air filter. You can buy a universal catalytic converter relatively cheap at a good auto parts store. Take it to a good muffler shop and have it installed. Shouldn't be more than $60.00 labor. Be sure to keep the old converter. You can recycle it and recoup some of yo money. If you leave it with the muffler shop, they will recycle it and get that money, plus what they charged to install the new one. With the new plugs and air filter, the fuel will burn more efficiently. And the new catalytic converter will take care of the rest. You should be able to pass the smog test, and get better gas mileage and performance.

Feb 17, 2011 | 1991 Honda Accord

1 Answer

How can I fix my catalylic conveter without paying almost thousand and the Dealership

Forget the dealership. Go to a good muffler shop. Ask them to install a "Universal" catalytic converter. Tell them you want to keep the old converter. Do not let the muffler shop keep the old converter. Don't say anything about keeping the old converter until after you get a confirmed price for installing the new one. Take the old converter and recycle it. You will probably get enough money from recycling the old one to pay for the new one. You may be able to buy the new converter at a parts store, then have a muffler shop install it. That's what I did on my old 89 Buick. Paid $50 for the converter, $50 for the install, then recycled the old one the same day for $97.

Feb 15, 2011 | 2004 Chevrolet TrailBlazer

1 Answer

I just bought a 2003 Toyota Highlander. After 2 days the check engine light comes on. The code ran a bad catalytic converter. I paid to have it fixed. 3 days later... same thing happened. What's the problem?

If you had the converter replaced, the check engine light could be caused by a faulty O2 sensor. Just out of curiosity, did you keep your old converter? The reason I ask is, you can recycle the old converter for quite a bit of money. Some converters bring more money than what the new one cost. If you didn't keep it, the muffler shop will recycle it, and get paid double for fixing your car.If you have a receipt for the work, and it hasn;t been long since you had it worked on, take the receipt to the shop and ask for your old converter back. If they have already disposed of it, ask for one like it. It's money out of your pocket. And the muffler shop should have asked if you wanted to keep it.

Feb 10, 2011 | Toyota Highlander Cars & Trucks

1 Answer

How to get hc ppm down on 1991deville 4.9

It could be from unburnt fuel. Try a new catalytic converter. Have the muffler shop install a Universal type converter not an OEM. Universal type is much cheaper. Be sure to keep your old converter. You can recycle it for enough money to pay for the new converter installation. Don't let the muffler shop have it. They recycle those things for big bucks. If they want it ,sellit to them. I had a universal converter put on my Buick Park Avenue for $150.00, including labor. Recycled the old converter for $197.00 the same day. The old original equipment converters are worth a lot more than the newer ones because of the platinum pellets inside.

Jan 22, 2011 | 1991 Cadillac DeVille

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