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NO TEMP GAUGE OR OIL PRESSURE READING ON MFA


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Hi,

 

Hope you are all well.

 

I have two problems with my 1994 Golf VR6.

 

1. Temperature gauge does not work.

2. No oil pressure reading on the MFA.

 

Few weeks a go I no longer could get the oil pressure reading on the MFA but everything else works, MPG etc.

Few days a go I noticed the water temperature gauge does not move. The fans still come on when in slow moving trafffic.

 

The car has Climatronic, if it helps.

 

I have changed the following:

- New genuine yellow sensor on the thermostat housing.

- New genuine brown sensor on the thermostat housing

- New genuine sensor on the pipe going from back of the head to the heater matrix.

- New genuine oil pressure switch on the oil filter housing.

 

I haven't changed the blue sensor on the thermostat housing as I believe it's for the ECU to work out the fueling.

 

Took some fully working clocks from another 1994 VR6 but still no joy. I have not done any work recently on the car so I'm a bit baffled.

 

I'm guessing a wiring issue somewhere but any help would be much appreciated.

 

Thanks in advance  :-)

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