How to check your vehicle's catalytic converter.
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Uploaded by scottykilmer on Mar 19, 2008
Emmy award winning mechanic Scotty Kilmer shows how to check your own vehicle's catalytic converter to see if it's gone bad. For answers to all your car questions, just google Scottykilmer.com to reach Scotty's website. Scotty answers all questions free.
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Uploader Comments (scottykilmer)
Top Comments
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or insted of replaceing it you can just take it of and put a hunk of pipe there
1 week ago 10
Video Responses
All Comments (568)
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Thanks Scotty! Very helpful!....Miss you on Ch.11
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Hey that's a Corolla AE86 SR5 :) nice little car!
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@scottykilmer Thanks for the video if I had seen your stuff I could have saved myself a $500 job at a shop.
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Scotty you have great videos. Iam sure you have helped many people with their cars. I am thinking the federal warranty on converters is 8 years and 80,000 miles. I myself like to use a vacuum gauge to check for a plugged converter, its quick and less work for me. Also no holes to plug, in the snow belt our cars are usually too rusty for that.
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im happy u have had success with the walker, as so have i. The direct fit converters from walker have been good to me. but the weld in place units have given me problems.
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why don't they put screws that can be taken off so that you can run the test!
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This is just a note, I'm not trying to make an argument out of this. OBD II vehicles should usually have dealer or OEM certified aftermarket direct fit cat installed. Not doing so, could triggger a Check Engine lamp to illuminate. False readings to the post cat oxygen sensor can cause bad tail pipe emissions readings.
crawford723 2 days ago
@crawford723 tis true in many cases. But I've used Walker cats on toyotas and they seem to work fine every time I use one.
scottykilmer 2 days ago
scotty which one is in my car? i have a cylindrical shaped metal can, and another one that looks like the one in the video, which is after the cylindrical can....
FrenchValleyAirport 6 days ago
@FrenchValleyAirport it's always before the muffler, so the first one, not the last can.
scottykilmer 6 days ago
NEVER EVER get under a car that is supported only by a floor jack.
niamey11 1 week ago 8
@niamey11 I live dangerously, and have done so for 44 years and still am in one place. But I use jack stands when I'm doing heavy duty jobs that take a lot of time.
scottykilmer 1 week ago