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Oil pressure gage
- Thread starter Prowler
- Start date
- Location
- MilkyWay Galaxy
Prowler said:
Is it reading zero or 80 psi? What year is it?
- Location
- on the beach in Ocean View, VA
sounds as though the sensor or the wire going to it is shorted to ground. the sensor is a variable resistor that has less resistance with greater pressure-- so if it's pegged on high, there's no resistance to ground-- sounds like shorted wire.
--Shorty
--Shorty
- Location
- MilkyWay Galaxy
First off if the wire to the sensor comes loose, is loose, dirty and not making good electrical contact it will cause your problem (very common). A burned out, open sensor (common) will cause your problem as will a broken wire (less common).
I would start with those three possibilities first! Oil filter change can accidently knock the sensor wire loose.
I would start with those three possibilities first! Oil filter change can accidently knock the sensor wire loose.
POLAR_JEEP_04
NAXJA Forum User
- Location
- Ohio
I have the same problem what does it do when the gauge goes out?
- Location
- on the beach in Ocean View, VA
Ecomike said:
Ecomike-- did I get it backwards? I thought grounding the wire would cause high reading. I know temp and fuel wouk that was and assumed oil did as well:dunno::dunno::dunno:
--Shorty
ParadiseXJ
NAXJA Forum User
- Location
- Paradise, CA 95969
Your sender is bad, change it ($13.00 @ AZ), 2 minutes, done.
- Location
- MilkyWay Galaxy
Shorty said:
If you disconnect the wire from a working gauge it pegs the gauge at 80+ psi, so if you ground it, it should zero the gauge (but I have not actually tested grounding the gauge). You could test a new sensor before it is installed, with no pressure and it should read very low ohms, nearly a ground, then with pressure on it the resistance should rise significantly.