Low power

Tiny
SCOTTSANDS197892
  • MEMBER
  • 1992 GMC VANDURA
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
My van keeps stalling cutting out when driving no power.
Sunday, September 15th, 2019 AT 8:59 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Hello,

It sounds like you may have a clogged catalytic converter. here are two guides you can go over to confirm the issue:

https://www.2carpros.com/articles/engine-has-low-power-output

and

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Please run down these guides and report back.

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Monday, September 16th, 2019 AT 12:10 PM

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