MY 05 LR3 with 54K started to idle/run rough, check engine light came on two days ago. Even under load there is still a rough "hitch" in the motor. I filled up the tank with high grade fuel, added Heet, Chev. injector cleaner, Seafoam and ran it for 30+ minutes at highway speed and around town for about an hour . The idle vibration lessened but is still there after driving around town yesterday and today. "Reduced engine performance" is displayed on the info center and for sure power is noticeably reduced when attempting to pass or climb. Ran a check on the codes and this is what came up:
P0307
P0303
P0300
P0316
P0579.
I'm planning on driving it till this tank of gas is gone and hope that what I'm experiencing is the effect of not putting premium in the tank for the last 5+ fills and it clears up.
After exploring the backroads of eastern Washington for 3 hours the issue persists. Power seems to be decreasing
P0307
P0303
P0300
P0316
P0579.
I'm planning on driving it till this tank of gas is gone and hope that what I'm experiencing is the effect of not putting premium in the tank for the last 5+ fills and it clears up.
After exploring the backroads of eastern Washington for 3 hours the issue persists. Power seems to be decreasing