Question about 2003 Pontiac Sunfire
The problem could be a power supply module that supplies various voltages to the instrument panel (IPC). If it is acting up, it can make this buzzing noise. If that is it, it will eventually fail and the IPC gauges will stop working.
Posted on Apr 18, 2017
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Posted on Jan 02, 2017
SOURCE: 2000 pontiac sunfire
I had the same problem. Goodwrench looked at my car for 2 hours could not figure it out. Then they unpluged the body control module and plugged it back in and presto, problem solved.
Posted on Nov 27, 2008
Starter solenoid , or wire that leads to it.
Also , if standard transmission , may be the switch on clutch pedal is intermitant.
Engine won't turn over unless it thinks you have your foot on the clutch.
Posted on May 05, 2009
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