Heater, Idle.

1991 BUICK PARK AVENUE
296 MILES • 6 CYL • FWD • AUTOMATIC
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NATHANHENNING
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  • 1 POST
1991 Buick Park Avenue. Non Supercharged. I have two questions
1) My heater blows out of my defrost vents and only my defrosts vents. How do I fix this?
2) My car idle's really low and it shakes the car and the CEL comes on. Any guess's?
Mar 24, 2011 at 4:36 AM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Could be the air blend/mode/ door and actuator problem and HVAC control module-idle problem could be an IACV -You need to have the computer scanned for code/s for the check engine light On
Mar 24, 2011 at 6:41 AM
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