anyone heard of adding 1 gallon of laquer thinner to gas tank w/tank @ least 1/2 full to clean out catalytic converter pontiac aztek 6cyl


Asked by Jan 22, 2014 at 12:50 PM

Question type: Maintenance & Repair

4 Answers


No way.The only way to clean out the converter is take it off and knock it out or replace it.


Yes, there's a video about it on youtube. Under the comments sections of the video there's people who claim it works. There's also a product called "Cataclean" that works. We sell it at NAPA, where I work. A few of our customers have used it with good results. Are you getting a trouble code P0420? HTH. -Jim


That's a new one on me. Didn't know that.

1 of 1 people found this helpful.

yes code 0420 is what pops up

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