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2002 Kia Optima stutter with the AC running

Tiny
SIXDUX
  • MEMBER
  • 2002 KIA OPTIMA
Engine Mechanical problem
2002 Kia Optima 6 cyl Two Wheel Drive Automatic 100k miles

dear family im back again, this time my daughter is having trouble. When she turns on the ac the car starts to jerk, stutter or sputter which ever word you want to use. I did notice that the ac doesnt get as cold as it used to be. The compressor stays running no cycling like it is low.
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Wednesday, June 11th, 2008 AT 3:45 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi sixdux,

If the idling speed is not low, then you check for charging voltage.

If the voltage is low, you might have insufficient power to run all the components resulting in stuttering.
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Thursday, June 12th, 2008 AT 10:22 AM
Tiny
SIXDUX
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YOU MENTION VOLTAGE CHARGE IS LOW < WHAT EXACTLY DOES THAT MEAN, LIKE THE ALRENATO IS GETTING BAD OR HAVE SOMEONE CHECK THE COMPRESSOR
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Thursday, June 12th, 2008 AT 4:29 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi sixdux,

Alternator not efficient will produce low voltage at the battery, Check and see if voltage is between 13.5 to 14.5 while idling with no load.

A slipping belt could also cause low voltage at idling.
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Friday, June 13th, 2008 AT 8:24 AM

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