Sprinter not rev over 3000

Asked by Guru2P6CZ Mar 03, 2020 at 03:49 AM about the 2014 Mercedes-Benz Sprinter 2500 170 WB Extended Passenger Van

Question type: Maintenance & Repair

Good Day
I have Sprinter 2014, Automatic with 490 000 miles. The car can't rev over 3000
when  check  it is showing  the following codes; 1 P108C (ECM/PCM Power
Relay), 2. P0405 ( Performance too early) 3. P068D ( Exhaust  Gas Sensor A
Circuit Low)

1 Answer

70,745

Hmm, I absolutely love the fact that you have 490,000 miles. Kudos. Really don't have any clue why you're getting this, except, I'll share with you that I had an exhaust back pressure sensor fail as well and it had to be replaced. Don't remember when this occurred if the RPM's were not going over 3,000, but, my vehicle didn't seem to have the same power. Few questions for you; is this the original engine and transmission? Have you ever had the entire emissions system replaced? And, are you burning any excessive oil? I am VERY IMPRESSED that you're almost at 500,000 miles, Congratulations again, I want you to be my role model.

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