Question about 2003 Chevrolet Tahoe

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Oil pressure gage stuck on high

Gage was moving ip and down when i was driving now its stuck on high.
Could it be a fuse or more serios?

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HI, you will need to replace the oil pressure sending unit(pressure switch), it has failed.

Posted on Jun 21, 2009

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Posted on Jan 02, 2017

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Is there a fuse that works the oil pressure gauge and the battery gauge for a 2005 chevy trailblazer


NO , there is not a fuse just for those two thing's ! There are two power supply's for the whole insturment cluster . You could need a new cluster or the ECM isn't sending this info. to the cluster . Could have DTC'S - diagnostic trouble codes stored in the PCM or the insturment cluster . Without knowing how this works (insturment cluster gets it's info.) Your best bet , take it to a qualified repair shop that has the knowledge and test equipment to diagnose this problem.
Engine Oil Pressure Gage
The instrument panel cluster (IPC) displays the engine oil pressure as determined by the engine control module (ECM). The IPC receives a serial data message from the ECM indicating the engine oil pressure. The engine oil pressure gage defaults to 0 psi (0 kPa) or below if:
• The ECM detects a malfunction in the engine oil pressure sensor circuit.
• The IPC detects a loss of serial data communications with the ECM.
For the 4.2L LL8, the ECM uses an engine oil switch that is open when the oil pressure is normal and closed when the oil pressure is low. At normal pressure, the engine oil pressure gage will display 275 kPa (40 psi). At low pressure, the gage will go to 0 kPa and the low pressure warning will be displayed in the driver information center (DIC). At high pressure, the gage will display 551 kPa (80 psi). Any values between these three values are calculated values determined by the ECM.

Voltmeter
The instrument panel cluster (IPC) displays the vehicle voltage based on the information from the body control module (BCM). The IPC uses the serial data information from the BCM to provide a voltage level indication on the voltmeter.

DTC P0521: Engine Oil Pressure (EOP) Sensor Performance

DTC P0522 Engine Oil Pressure (EOP) Sensor Circuit Low Voltage
DTC P0523 Engine Oil Pressure (EOP) Sensor Circuit High Voltage

Volt Gage Inaccurate or Inoperative
2
Install a scan tool.
Turn the ignition ON, with the engine OFF.
With the scan tool, perform the instrument panel cluster (IPC) gauges output control.
Does the volt gauge move up and down when commanded?

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1 Answer

Possible dsmsge from driving weeks with high oil pressure? btw 2004 GMC Yukon XL Denali


No damage will occur. Have you checked the oil pressure with a manual test gage? If not do that and please understand GM oil pressure gages are prone to reading high pressure when the sender is defective.

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Oil pressure gage stays at 80 only goes to 0 when not running


Replace the oil pressure sending unit, they are notorious for this problem.

Feb 18, 2014 | Chevrolet Silverado 1500 Cars & Trucks

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The oil pressure gage is on high


oil pressure sensor is stuck or maybe oil pump is clogged.

Feb 05, 2010 | 2004 Nissan Armada

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Oil gage goes up but suddenly goes down to 0 chack gages light comes on and makes a clicking noise when you give it gas.. but has oil in it..


u have low oil pressure, the oil pump has a stuck pressure relief valve, DO NOT DRIVE THIS CAR until this is fixed, u will burn up a $3500.00 engine

Oct 21, 2009 | 2000 Jeep Grand Cherokee

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What is the check gauges light


CHECK GAGES light (1) indicates a potential engine failure(low oil pressure, low coolant, coolant overheating) has occurred.
· Check gages and shut down engine. Gages should read as follows: Oil pressure 5 to 10 psi (34 to 69 kPa) at idle; Water Temp gage below 230 degrees (110 C).
· Check engine oil level (Para 2-11) if OIL PRESS gage indicates low reading. Check coolant level (Para 2-11) if Water Temp gage indicates high reading. Notify Unit Maintenance if levels are low.

If CHECK ENGINE light (2) is on, check engine oil pressure gage (3) and water temperature gage (4). If both indicate normal, proceed with mission and then notify Unit Maintenance. If either one does not indicate normal, stop engine immediately and notify Unit Maintenance


Oct 16, 2009 | 1999 GMC Jimmy

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