Question about 1998 Pontiac Grand Prix
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Posted on Jan 02, 2017
SOURCE: No Air Output At Dash Vents
linkage inside dash or relay for electric front vents went bad
linkage sometimes comes off its holder from usage this is normal there only held in by a upin under the dash
if electric the relay for the the top vents needs replacing this i believe will be with rest of the relays in engine compartment
Posted on May 31, 2008
Your engine doesn't use a MAP sensor (Manifold absolute pressure), it uses a MAF sensor (Mass Airflow), they both provide the same information about engine load but in a diff way. here is a picture of your sensor.
Posted on Mar 17, 2009
SOURCE: celcius to farenheit
If you take the control assembly out of the dash and look behind it, the connector has a black wire in position D7 (little letters and numbers are printed on the connector). This wire will have a connector on it, pull this connector apart and your display will now be in *F
Posted on Apr 12, 2009
The lighting in the A/C control head is not serviced. If you want it repaired you will have to but a control head. Good Luck
Posted on May 26, 2009
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