Quote:
Originally Posted by josiahg52
Not sure but I have a 2011 X5d so I read these threads with interest. At 138k miles, I've recently replaced the glow plugs and module, throttle/anti-shudder valve, engine coolant and transmission fluid thermostats, low-pressure EGR cooler, boost pressure sensor, EGR temperature sensor and MAFS. A couple of years ago at 118k miles ago, I replaced the active DEF tank, SCR dosing module and NOx sensors. Ive had no DPF issues to speak of.
Could it be a failed injector? Could the other code be a "knock" signal code?
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Thank you for your thoughts - I feel very lucky to not have gone through what you have. Some of these codes are just clues and don’t point out the real issue right away. I thought about the injector but it doesn’t go into limp mode every time and when the “reduced power or limp mode” comes on you just shut the car off and turn it on again and power is restored until it decides to be a pain again... in any case I will search the injector symptoms - thanks