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Re: Winter Operation
Now that I know my problem is normal, I have a few questions. I live in southern Nevada on the border of Death Valley. This summer my truck (Early 99 F-350 crew cab PSD) started romping. The temp. was around 70F. At that time it set a code for the cam sensor. I changed it.
Why was it romping when warm?
I use Rotella 15w-40. If I changed to 10w-30 or even 5w-40 will it help or hurt my engine?
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