Question about 2004 Buick Rainier
Take it to your GM dealer to see if there is an outstanding recall on this issue. I could be something as simple as a vacuum leak or a bad cruise module. I wouldn't wait on that problem.
Posted on Apr 15, 2015
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Posted on Jan 02, 2017
This has happened on our van multiple times. Through some internet searches I have found a solution that works.
Go to your van and, with the ignition off, press and hold the trip reset button. You will see 'Sof' and perhaps some diagnostic test numbers will show up on odometer; the unit will perform a self-test, and the system will do a reset and should it should operate normally.
Posted on Jun 02, 2009
hey-I have has this before different car but same - idle control valve is failing - computer at shop will pick this up on diagnostic
Posted on Oct 12, 2008
Did the 'Check Engine' Light come ON? Whenever the 'CHECK ENGINE' light comes on, the ECU (Engine Control Unit) sets a Diagnostic Trouble Code (DTC). These codes identify the particular engine management system which caused the light to come on. You'll need to use/find an OBDII (On-Board Diagnostic) Scanner to retrieve any code which have been stored in the ECU computer. Afterward, we might be able to help you DIAGNOSE and perhaps eventually fix the problem.
Posted on Oct 18, 2009
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