oil light flickering

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robert -wanda fox - 22 Jun 2007 03:21 GMT

i have a 94 grand prix(3.4), and have noticed that of late after the car
running for a half hour or so,that when coming to a stop light the oil
indicater light will come on untill i feed it a little gas or take off,it
doesn't happen every time every now and then,after the car running laonger
it doessn't happen or les then the half hour or so it won't happen,the
engine is not clacking like low oil,the dipstick is showing full,the oil is
not burned or discolored,changed the filter and oil perhaps 3 months ago.
any ideas??? car has quite a few miles on engine(200,000 plus)

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Les Benn - 22 Jun 2007 06:56 GMT

>i have a 94 grand prix(3.4), and have noticed that of late after the car
> running for a half hour or so,that when coming to a stop light the oil
[quoted text clipped - 5 lines]
> not burned or discolored,changed the filter and oil perhaps 3 months ago.
> any ideas??? car has quite a few miles on engine(200,000 plus)

Robert spend a couple bucks and get a real oil pressure gauge and hook it
up. The idiot lights only tell you that you have a problem after your engine
is toast. My guess is that the idle falls low enough to cause your oil
pressure to drop to near zero, but with 200K miles I would spend a few $$ on
a oil pressure gauge and mount it in your car.

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80 Knight - 22 Jun 2007 07:38 GMT

>>i have a 94 grand prix(3.4), and have noticed that of late after the car
>> running for a half hour or so,that when coming to a stop light the oil
[quoted text clipped - 12 lines]
> oil pressure to drop to near zero, but with 200K miles I would spend a few
> $$ on a oil pressure gauge and mount it in your car.

I agree. Don't trust the light. In both of my old Grand Prix's (1992 and
1991) the oil pressure gauge would always drop very low, sometimes turning
the light on. The pressure was fine, it was just a bad instrument cluster.

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