Question about 2005 Pontiac Grand Prix
The other day the car konked out...pulled over...started up ok. Now when revving up it hits about 4500 rpm and stops..won't go higher no matter if the peddle is to the floor. Seems to me the computer is limiting but no fault lights are on. Any ideas what's up?
I recently put in what I think is 10W40 in it. I just went through the manual and it specifically states to only use 5W30...could this be an issue (I just put 5W30 back in)?
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Posted on Jan 02, 2017
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