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Engine hesitation

Tiny
DENISE1
  • MEMBER
  • 1999 CHEVROLET MALIBU
  • 126,000 MILES
My 1999 Malibu runs rough after I go through the car wash and if I drive through deep snow, how come? I checked the plugs and wires and they are fine. Check engine light is flashing and after the car wash, there was an awful smell. After letting my vehicle sit for an hour, it runs fine.
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Monday, January 31st, 2011 AT 3:28 PM

7 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
Exactly how did you determine that the plugs and wires were "fine"?
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Monday, January 31st, 2011 AT 3:51 PM
Tiny
DENISE1
  • MEMBER
  • 4 POSTS
WE PUT NEW ONES ON
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Monday, January 31st, 2011 AT 3:54 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
No need to answer in all caps. You could have stated that in your question.

The first step is to have the codes read which will tell you which cylinders are having the problem and from there you will have to determine if it's spark or fuel that it is lacking or even possibly too much fuel in specific cylinders.
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Monday, January 31st, 2011 AT 3:59 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
I also need to know what engine we have here.
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Monday, January 31st, 2011 AT 4:01 PM
Tiny
DENISE1
  • MEMBER
  • 4 POSTS
3.1L
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Monday, January 31st, 2011 AT 4:39 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
OK, proceed as advised and see what you an determine.
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Monday, January 31st, 2011 AT 5:16 PM
Tiny
DENISE1
  • MEMBER
  • 4 POSTS
Thank you, I appreciate the suggestions
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Monday, January 31st, 2011 AT 6:05 PM

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