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Engine light when air conditioner off

Tiny
OLDGUYOLDCAR
  • MEMBER
  • 1999 SATURN SL2
  • 135,000 MILES
Car runs fairly well, but, when the air conditioner is off (no compressor), the check engine light comes on. If the unit is turned back on, the light goes out after a few minutes. The air conditioner itself only cools occasionally. The unit has been bled, but still shows a dangerous level of pressure.
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Sunday, September 8th, 2013 AT 1:55 PM

1 Reply

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Does your radaitor fan come on with the ac?What are the high and low side pressure readings at idle with the ac on?Also what are the exact code numbers you ave in the computer?
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Sunday, September 8th, 2013 AT 5:04 PM

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