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Engine sputtering

Tiny
JOHNNY TELLEZ
  • MEMBER
  • 1993 CADILLAC FLEETWOOD
  • 5.7L
  • RWD
  • AUTOMATIC
  • 200,000 MILES
When I start the car it starts off fine and as I drive it and when going up hill it feels like it takes a while to pick up speed.
Tuesday, June 13th, 2017 AT 6:23 PM

2 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Start with a tune up, plugs filters, leads and do a compression test as well just to make sure there is no hidden problem internally.
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Wednesday, June 14th, 2017 AT 4:23 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Hello,

If I can add it could be a plugged catalytic converter.

Here is a test that can confirm the problem.

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

and

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

Please run some tests and get back to us so we can continue helping you.

Cheers, Ken

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Wednesday, June 14th, 2017 AT 3:31 PM

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