ENGINE OPERATION - Emergency - What To Do If Engine Oil Pressure Lamp Turns On What to do if the engine oil pressure lamp turns on. 6. Wait a 15–20 minutes to allow oil to drain into the engine oil pan, and then check the oil level. See Engine Oil Level. 7. Add oil if necessary. If the problem persists, contact an authorized PACCAR engine dealer as soon as possible. 1 ous engine damage. Failure to comply may result in equipment or property damage. If the oil pressure fails to rise within 10 seconds after the engine starts, stop the engine and determine the cause. See Engine Oil Specification for the correct oil pressure ranges for your vehicle's engine.
If the oil pressure suddenly drops, or the audible alarm and engine oil pressure warning light come on while driving, do the following: 1. Slow down carefully. 2. Move a safe distance off the road and stop. 3. Place the transmission in neutral (N) and set the parking brake. (See Parking Brake Valve and Operating the Transmission in your vehicle Operator's Manual, for transmission shifting and parking brake information.) 4. Turn OFF the engine. 5. Turn ON the emergency flasher and use other warning devices to alert other motorists. Check Engine Lamp Turns On What to do if the check engine lamp turns on. Or It is important to maintain oil pressure within acceptable limits.
If oil pressure drops below the minimum psi a red warning lamp on the oil pressure gauge and the Stop Engine Lamp will come ON. Check Engine Lamp - Turns on when a problem exists, but the vehicle can still be safely driven. Vehicle should be serviced to correct the problem but the situation should not be considered an emergency. The lamp will also illuminate when a DPF regeneration or addition of diesel exhaust fluid (DEF) is required. Another function of CAUTION Continuing to operate your vehicle with insufficient oil pressure will cause seri- Y53-1181-1K1 (08/2018) 11