kshaw Posted April 28, 2015 Report Share Posted April 28, 2015 just purchased car was idling rough but was drivable the day I picked it up drove about 300 miles. next day car was running real erratic sluggish high idle would not shift,disconnected battery now when started car sounds like every lifter is out of oil backfires will not stay running. any ideas would be helpful thanks Link to comment Share on other sites More sharing options...
barczy01 Posted April 28, 2015 Report Share Posted April 28, 2015 I would check your plugs and wires immediately. Check the coil towers and make sure there are clean with no rust. Start with that and we will help with the idle learn. Link to comment Share on other sites More sharing options...
rockfangd Posted April 28, 2015 Report Share Posted April 28, 2015 have you checked fluid levels? If it ran fine before then it should be something pretty obviouse GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
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