COLD WEATHER
More Turbo
Joined: Aug 2002
Posts: 538
Likes: 45
From: Lansing, MI
Gelling issues aside; if I'm not mistaken boosting cetane is more important in the winter than summer because it helps to assist combustion when the engine is cold. Somebody please correct me if this is incorrect.
Posting Guru
Joined: Nov 2010
Posts: 1,783
Likes: 1
From: WY
I had the same issue with the engine light coming on after using the block heater. After researching the codes, one of which was P0181, I found that there is a temp sensor that compares the temp of the engine with the block heater. Something like that, anyway if there is a large difference for three starts in a row then it throws a code. I was told NOT to use the block heater for anything above 0 degrees F.
I used to plug my vehicle in at anything below 20 degrees F, but now only bleow 0 degrees F. I understand that it looks at temperature in 10 hour increments and if there is a large difference between what the computer measures and the block then you get a wonderful code. It sure is nice to get into a warm vehicle, but I guess when you pay $70k for a truck that is just asking too much!
Welcome aboard all.
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