hesitation under accel

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01-15-2009, 03:51 PM

caddyman206

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Join Date: Jan 2009

Posts: 8

hesitation under accel

My 2000 Deville has a problem with accel. when I floor it it dosent downshift sometimes and smells horrible! like sulfur! I heard it could be faulty catalytic converters? anybody got any ideas?

01-15-2009, 06:52 PM

slowroll

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Join Date: Oct 2007

Location: in the mitten

Posts: 3,160

RE: hesitation under accel

SES light on, off, or flashing? Codes? Cat.conv. is possible as well as engine over fueling.

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