Oil pressure low light

Asked by Lamontp41 Nov 11, 2020 at 10:40 PM about the 2003 Pontiac Grand Am GT

Question type: Maintenance & Repair

I change my oil in my 2003 Pontiac Grand Am GT replace
the oil filter and apply the oil and no leaks drove the car
sometime and the oil pressure light came on when I
accelerate it disappears and when I'm at a stop it reappears
that disappears again with acceleration the oil is too in the
film art with no leaks what could it be

3 Answers

268,515

Make sure you have the right oil weight, if that checks then it could be a bad oil light switch or you indeed have an oil pressure problem. Best to do a manual oil pressure check, if the pressure is low at idle but jumps up to normal at slightly higher engine speed then you may well have excessive bearing clearances inside the engine. Now going a heavier weight oil may help but only for a while, so it’s either engine repair or get rid of it while it’s still running.

1,720

Could be oil pressure sending unit, or a loose oil cap are the 1st 2 things that come to mind....or it could be that it registered full before starting and then filled the filter to register low

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