Oil pessure gauge stuck

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Herb - 10 Jan 2007 20:17 GMT

On my 1999 Ranger,sometimes the gauge doesn't show pressure until I've
driven a short distance. It only happens with a cold start.
Then it shows normal pressure. It doesn't happen every time I start a
cold engine. Sometimes I'll turn the key,and instant normal pressure.
What could cause this? Thanks

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RCE - 10 Jan 2007 20:51 GMT

> On my 1999 Ranger,sometimes the gauge doesn't show pressure until I've
> driven a short distance. It only happens with a cold start.
> Then it shows normal pressure. It doesn't happen every time I start a
> cold engine. Sometimes I'll turn the key,and instant normal pressure.
> What could cause this? Thanks

Find the oil pressure sender on the engine, remove the wire attached, clean,
re-install and make sure it's a good, tight connection.

RCE

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David M - 11 Jan 2007 01:33 GMT

First off, it's not a real gauge. It's a pressure switch with a 'gauge'
calibrated to read in the middle when the switch closes. It's no better
than an idiot light.

I would check the wiring for something loose.

I presume you checked the oil level?

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David M (dmacchiarolo)
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Herb - 11 Jan 2007 02:42 GMT

Thanks for your input. I will check the sensor wire.
I check the oil level regularly,and David the "gauge" does exactly as
you mentioned. The needle goes from zero to the exact middle of the
dial.
Thanks again.

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