1992 Chevy Van Catalytic Converter??

164,000 MILES • V8 • FWD • AUTOMATIC
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JROD1211979
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  • 1 POST
I am curious if the sound of popcorn popping when I am driving is the signal that my catalytic converter needs to be replace???
Sep 3, 2008 at 9:09 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
If its not detonation, could be vacuum and exhaust leak-You can have the exhaust system backpressure or gas tested to rule out a failing catalytic converter.
Sep 3, 2008 at 9:29 AM
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