When did 99 Dodge 2500 diesel 5.9 lose power?
When did 99 Dodge 2500 diesel 5.9 lose power? 99 dodge 2500 diesel 5.9 loses power under load going up hills. If I put the pedal to the floor the truck will buck. Most noticable in 5th (high) gear above 60 mph. No trouble codes. Before problem started the vp44 and lift pump were replaced in March 2012. Problem started in June and since I have replaced the Apps sensor in October 2012. How many valves are in a Cummins 5.9L engine? The new 5.9L Cummins engine had 24 valves, or 4 valves per cylinder. The mechanical “P-Pump formally known...