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Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by ALLDATAdiy.com users over the course of many years.
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  Jim Grant's Tech Tips

'94 VW Golf, Oil Pressure Light Problems

Q: I have a '94 VW Golf 2.0 automatic transmission. When I drive in fourth gear at 2000-2100 RPM, my oil light comes on. It does not happen all the time, only when I keep the RPM's between 2000-2100, and I drive at that speed for a couple of seconds. When I accelerate through that part, the light never comes on. Also, how can I replace a fuel filter myself, I can't find any manuals showing the location.

- Adam

A: If I'm not mistaken your VW Golf has two oil pressure switches. One that reads oil pressure below a specified RPM and one that reads oil pressure above a specified RPM. There is a module/computer in the dash of your vehicle that monitors vehicle RPM and the two different oil pressure switches. The second switch does not activate until a higher oil pressure is reached. VW feels that for their engine to operate reliably at higher RPM requires a minimum oil pressure that is not necessary at lower speeds. The most common cause we see for this warning light is using incorrect oil viscosity or the oil is contaminated and needs to be changed. As for the fuel filter? It is located at the rear of the vehicle just in front of the fuel tank.

 
     
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