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Hi to all,oil light on the dash keeps coming on at ramdom times,checked oil levels and they are fine,sometimes i can go 20 miles before it comes on and other times a few yards,is there a oil sensor on the engine i can check and where is it located van is a 99 t4 swb,any info would be a great help cheers
 

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THERES AN OIL PRESSURE SWITCH ABOVE OIL FILTER BUT THATS NOT YOUR PROBLEM
THERES ANOTHER OIL SWITCH ON REAR OF HEAD LOCATED BELOW WATER BOTTLE
YOUR BEEPING AND LIGHT ARE IN A SYSTEM MANAGED BY THE SPEEDO CLOCKS
ALL CONNECTED WITH THE TEMP SENSOR ALSO THE BLUE WIRE FROM ALTERNATOR IN SAME SYSTEM
I HAVE HAD SAME TROUBLE ON DIFFERENT VANS AND THE FAULTS WER
ALTERNATOR US
ALTERNATOR BLUE WIRE DAMAGED OR BROKEN (GIVE IT A TUG) SEE IF IT BRAKES

TOP OIL SENSOR NOT WORKING OR LEAKING OIL
GREEN 4 WIRE TEMP SENSOR NOT WORKING AFTER A HEADGASKET CHANGE OVERHEATING MELTS THEM
THERES AN EARTH WIRE THAT NEEDS TO BE BOLTED TO THE PLASTIC WARTER OUTLET BETWEEN INJECTORS 3 AND 4
THIS WIRE IS BROWN AND LOCATES ABOVE THE HEATER PLUG RAIL
FAILING ALL THAT YOU HAVE A BROKEN WIRE SOMEWHERE IN ENGINE BAY WIRING LOOM

NOW IVE TYPED ALL THIS OUT IVE HAD A THOUGHT BEFORE YOU POSTED THIS ON FORUM YOU HAVE GIVEN IT AN OIL CHANGE HAVNT YOU!
I HAVE ASSUMED YOU HAVE A FAULT AND THE OIL LIGHT WARNING BEEP/LIGHT THAT WARNS YOU YOUR OIL IS TOO THIN WAS FAULTYRasp:
 
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