Check gage light and no oil pressure reading - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 04-12-2007
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Check gage light and no oil pressure reading

This usually happens when the truck is cold, or the first start of the day, but for the first min or so i get a check gage light and 0 reading for the oil pressure. I know i have oil pressure since the truck still drives and the light has been coming on for over 2 years now, but i am finally tired of it.

I've heard of some sensors going bad, but where is it? what should i look for?

thanks
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Old 04-12-2007
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Replace the oil sending unit
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Old 04-12-2007
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I'm not familiar with the 4.0L.. but they are almost always screwed right into the side of the engine block. Come to think of it.. every one I've ever seen has aways been on the drivers side too.

Rich
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Old 04-12-2007
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The 4.0L OP sending switch is on the driver side of the block below the A/C compressor. You can see it through the wheel well or from underneath. Look for a green/white wire.
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Old 04-12-2007
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and just go to autozone and get an oil pressure sending switch? am i over thinking this or is it that easy?

thanks bob


edit: just went outside and found it... thanks for your help

Last edited by Alon; 04-12-2007 at 02:42 PM.
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