Hello I have Pontiac G5 2007 and it is running at around 190 - 205 degrees after warm upAt what temperature should I be alarmed? at what do I need to pull over? Can the coolant system be evaluated/diagnosed effectively??

Asked by Mar 10, 2015 at 08:01 PM

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I have a 1997 Chevy lumina & sitting at an idle it fluctuates, the rpms will go up & down so what could that be?

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