
Originally Posted by
Dfourfun
Very interesting thread guys. My MY12 D4 2.7 has been experiencing what I call 'power fade' on hill climbs.

Originally Posted by
discotwinturbo
The only way I got around this on the calcup dunes down south, was low range, dsc off, sand mode.....I could not get over the tallest dune without this setting.
I also have experienced this in the long, steep sand dunes of Calcup. Whilst climbing, engine power was being cut then returned then cut back again. It is like the engine is 'surging' up and down through the rev range irrespective of moment of the accelerator pedal on my part. My settings at the time were Hi range, Sand mode, Drive and I also swear DSC was off at the time.
The 3.0L easily had enough power to climb those dunes in high range until 'whatever' decided to reduce the engine power and bring it to a halt. Another run at the same hill with the same setting saw it get to top in high range easily but for whatever reason the engine surging up and down did not re occur again.
2024 RRS on the road
2011 D4 3.0 in the drive way
1999 D2 V8, in heaven
1984 RRC, in hell
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