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2005 Pontiac Sunfire Question: Why are my Gauges going crazy
Answer #1csubak30 June 23, 2014, 21:06Master
Have the battery and alternator tested. When the alternator is starting to fail, the power level starts dropping and all components that draw on that power get 'starved' for electricity and act 'crazy'. Suspect alternator is the cause.
Answer #2pushrod June 24, 2014, 02:18Master
Every night all night too?
Needs a SCAN test of the instrument cluster to start with!... Code reader wont help!!
Replymarytaylor, June 24, 2014, 06:27Rookie
Yes every night too I put a new Custer in it worked fine for one day then rpm hi gauge started going crazy took car to get the codes read after that all of them
Replypushrod, June 24, 2014, 08:32Master
A SCANNER can actually test the gauges!!
ReplyNormaepley, August 02, 2014, 18:12Rookie
Do you have to go to Pontiac Dealership to have scan test done?
Replypushrod, August 02, 2014, 18:17Master
No! Any independent shop 'should' be equipped to do this!