Im not trying to sound sarcastic at all so please don't get offended but how are you sure that the coolant is getting into the fuel? It's been a...
Are there any testing procedures for crankcase blowby?
Page 134 shows the 559 code. http://www.scribd.com/doc/54263237/15/Shop-Talk
Another mechanic changed out the fuel filters and screen. This truck has had a lot of mechanics work on it so Im not sure what alls been done so...
Im workng on a 2008 Mack trash truck that has the following fault codes 555-Crankcase pressure - Data valid but above normal operating range....