Why does my oil pressure read high on my Silverado?
If your 2003, 2004, 2005 or 2006 Silverado oil pressure gauge pegged out, has unusual fluctuations in it’s readings or reads high it can be caused by one of two problems. The first common cause is a faulty oil pressure sensor which is mounted on the engine. This is yet another common issue with 03-06 Silverados.
How can I tell if my Silverado is intermittent?
If you see battery voltage on both terminals, test the starter motor for intermittent operation. If you don’t see battery voltage on the purple wire A terminal on the starter, use a scan tool or DVOM and wiring diagram and check for IGN switch contact closure at the IGN terminal on the BCM.
What are the symptoms of a bad oil level sensor?
Noted below are a few of the symptoms of a bad or failing oil level sensor. 1. Inaccurate oil reading The oil level sensor will alert the driver that the engine is low on oil inside the crank case. However, when the sensor is damaged, it may trigger this information inaccurately.
Why does the Check Engine light come on when the oil level is low?
If the oil level sensor is working correctly, it will trigger the oil light to come on your car, truck or SUV when the oil level is low. It’s also common for it to trigger the check engine light if the sensor is damaged or faulty in any way.
If your 2003, 2004, 2005 or 2006 Silverado oil pressure gauge pegged out, has unusual fluctuations in it’s readings or reads high it can be caused by one of two problems. The first common cause is a faulty oil pressure sensor which is mounted on the engine. This is yet another common issue with 03-06 Silverados.
How to diagnose a Silverado intermittent no crank?
In order to diagnose a Silverdao intermittent no crank condition, you must understand how the starting system works. When you turn the key, the IGN switch acts as a signaling device. It receives a 5-volt reference signal from the body control module (BCM).
What causes the oil level indicator to go off?
Those type of alarms do not require resetting. Just like the windshield washer level indicator, it is only a mechanical switch. When liquid is added and the level rises, the switch turns off. You have damaged the contact/wiring/plug and the level system is indicating low.
How does the Check Engine oil level light work?
Just like the windshield washer level indicator, it is only a mechanical switch. When liquid is added and the level rises, the switch turns off. You have damaged the contact/wiring/plug and the level system is indicating low. that is what I believed originally, Ray, but wanted to be sure. Are you aware of any dedicated fuse for that function?