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Discussion Starter · #1 ·
Good afternoon Gents & ladies
I have a 1991 Isuzu Trooper (2.8L V6) that the oil pressure gauge isn't functioning. Plenty of oil pressure though. I replaced the oil pressure switch (twice) and the oil pressure sensor. And still the gauge reads zero, or slightly below zero.
Could it be the 3wire connector for the sensor??
If in case not the 3wire connector, would anyone know where I can purchase a used oil pressure gauge? The gauge sits in with other 2 other gauges.

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