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oil pressure switch reading says ZerO. wtf 

 

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 Post subject: oil pressure switch reading says ZerO. wtf
Posted: Tue Apr 01, 2008 1:18 am 
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well i knew i had low oil pressure but when i tap into the odometer instrument diagnostics, the oil pressure reading is zero and doesnt move an inch.

i want to know how to source out where the fault is, i have a brand new pressure switch installed btw.

I'm a noob when it comes to electronics and need to know how to test the voltage/resistance/whatever and what readings i should get from the oil pressure connector/ ecu pin (which pin?)) etc

as i was playing around and didnt know what i was doing, i put black to an earth point and red to the connector and it gave 0.02 mV .. Am i even close??



also, is the only way to test a MAP sensor to backprobe the sensor with the car running?? thankss alot.
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 Post subject: Re: oil pressure switch reading says ZerO. wtf
Posted: Fri Apr 11, 2008 3:33 pm 
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rdiigen wrote:
well i knew i had low oil pressure but when i tap into the odometer instrument diagnostics, the oil pressure reading is zero and doesnt move an inch.

i want to know how to source out where the fault is, i have a brand new pressure switch installed btw.

I'm a noob when it comes to electronics and need to know how to test the voltage/resistance/whatever and what readings i should get from the oil pressure connector/ ecu pin (which pin?)) etc

as i was playing around and didnt know what i was doing, i put black to an earth point and red to the connector and it gave 0.02 mV .. Am i even close??



also, is the only way to test a MAP sensor to backprobe the sensor with the car running?? thankss alot.

WITH THE OIL PRESSURE SWITCH IS IT A LONG BLACK ONE YOU HAVE FITTED OR A SHORT ONE AND WHAT KIND OF FALC HAVE YOU GOT

 

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 Post subject: Re: oil pressure switch reading says ZerO. wtf
Posted: Fri Apr 11, 2008 3:38 pm 
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AU2SR wrote:
WHAT KIND OF FALC HAVE YOU GOT


ITS IN THE SECTION UNDER HIS AVATAR WHERE YOU HAVE TYPED "FALCON ROO KILLER" FOR EXAMPLE
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Posted: Fri Apr 11, 2008 3:43 pm 
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SPEAK LOUDER, I CANT HEAR YOU :P

 

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Posted: Sat Apr 12, 2008 12:07 am 
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I THINK TITS THE SHORT ONE. :)
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Posted: Sat Apr 12, 2008 12:16 am 
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Providing you have a Futura with no Oil gauge, then the Instrument cluster WILL only display 0.

You have an OIL Switch. Not a Sender Unit.

The diagnostics only shows variables on Fairmonts/XR/Police etc.

The reason the Cluster has the option is merely manufacturing and the feature is in there.
The Oil Switch only gives an ON/OFF reading for the idiot light, a sender gives resistance for the gauge and therefore the 1-9bar in the LCD will work.

I hope this explains it, as im pretty unstable atm!

 

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Posted: Sat Apr 12, 2008 1:38 am 
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perfectly,, thanks
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