Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Checking Oil Pressure Sensor

Tests 1 - 2:




Tests 3 - 6:




Tests 7 - 8:





SYMPTOM
* CHECKING OIL PRESSURE SENSOR

POSSIBLE CAUSES
- Oil press gauge reads < 4.0 PSI (engine cold)
- Oil pressure gauge reads <4.0 PSI (engine warm)
- Oil pressure gauge
- Oil pressure sensor (gauge full scale)
- Oil pressure sensor ground circuit open
- Oil pressure sensor signal circuit open
- Oil pressure sensor signal circuit shorted to ground
- Oil pressure sensor