cat check

Reply

  #1  
Old 01-15-02, 09:55 AM
mooser1
Visiting Guest
Posts: n/a
cat check

easiest proper way to check catalytic converter for blockage?

thanks
 
Sponsored Links
  #2  
Old 01-15-02, 10:10 AM
Joe_F
Visiting Guest
Posts: n/a
By using a backpressure gauge for the purpose. I believe a temperature probe can be used to measure converter efficiency as well. That is the proper way.

The poor man's way is to bang around on the converter. If you hear pieces rattling around inside, it's wiped and has broken down. Time for replacement.

You can temporarily disconnect the pipe to the converter. In extreme cases of converter clogging, the engine won't start. If the vehicle starts with the converter disconnected (It will be LOUD!) the problem is the converter.

However, the root cause of the problem should be established or you will clog the new converter in a jiffy .

Type of vehicle?
 
  #3  
Old 01-15-02, 10:13 AM
mooser1
Visiting Guest
Posts: n/a
90 Chevy 1/2 ton truck, 305
 
  #4  
Old 01-15-02, 11:08 AM
Joe_F
Visiting Guest
Posts: n/a
They do clog over time, but I'm on the original cat in most of my cars with over 141k on one of them.

Bad O2 sensor, spark plug wires, oil burning and other mechanical problems cause the converter to stuff.
 
  #5  
Old 01-15-02, 11:16 AM
mooser1
Visiting Guest
Posts: n/a
I've owned this truck since new, never had any problems with it, was just curious as to what the test proceedures might be in case I ever need them.......thanks for your help.....
 
  #6  
Old 01-15-02, 01:34 PM
Joe_F
Visiting Guest
Posts: n/a
Ok. If you pass your emission check with good numbers, the cat is likely working fine (or the machine is rigged..lol)
 
Reply

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread
Display Modes