I had this problem when I first bought the TB but it went away. Now, a year later, it's popping up again.
Only happens when idling in park after driving for a while. I'm guessing it's just a pressure switch that needs to be replaced. Unless someone else thinks it's a instrument cluster problem or something.
https://drive.google.com/file/d/0BwtnQ1 ... cslist_api
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Oil Pressure Gauge
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mason10198 - Moderator
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Yeah, that's definitely your sensor. It's right above the oil filter. Could be a bad connection, but it's usually a faulty sensor.
Bravada G80 3.73 converted to selectable 4wd.
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KingBird - Trail-Blazer
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Btw the oil pressure gauge is a lie. IIRC the gauge get signal from the bcm or PCM to approximate the oil pressure.
2008 TB Radflo coil overs, Z71 rear springs, 2" spacer, skyjacker N8030 shocks, LT285/75R16E Goodyear MTR
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TBYODA - Moderator
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Yeah, all the sensor does is say whether or not it has pressure, any fluctuation in the needle movement is the computer trying to make you think everything is OK.
Bravada G80 3.73 converted to selectable 4wd.
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KingBird - Trail-Blazer
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Yeah, Ive known. that's why I call that sensor an idiot switch lol
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mason10198 - Moderator
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yup. happened to me not long ago.
easy repair and a $40 part
easy repair and a $40 part
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DirtyBacon04 - Moderator
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+1 for the sensor
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Ole Blue - Off-Roader
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