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Found 1 result

  1. Get ready for this story; 2005 450 my son took the car to work on the 31st. Stoped on the highway for some diesel and went to work. When he went to leave and go to his girlfriend house the car would only crank and not start. He called me because the battery couldn’t turn it any more, I had him leave the keys in it and grabbed my boat battery to go boost it. Boat battery would only crank it still. I could hear the low pressure pump working, I figured to try boosting directly off the truck. Came to life no problem. took it home and figured it has been weak in the winter so it’s probably time for a new battery. Went and picked up a new battery and installed. Plugged it in over night and came out the next morning and it was hard to start but it did start. son took it to his girlfriends place overnight and on the way there (after 45km driving) it lost power and CEL came on. He pulled over, turned it off and tried to turn it back on. Would only crank. After 15 minutes it started and he made it to his destination. The next morning the g/f father checked the code and it came up low fuel pressure. They tried to start it and it would only crank. They plugged it in again (plugging in I mean the cord on front) and I drove there to recover it. After 3 hours plugged in it still would only crank. I used a HD battery they had and it started. I brought it home and started working from easiest up, I changed the fuel filter, same issue, low pressure pump is working, high pressure CP1 was rebuilt about a year ago. it’s working now but it takes approx 5 seconds of cranking before it will start. I drove it to work (105 km) and turned it off. Turned it back on and it still took 5 seconds of cranking. It almost timed out but did start. mom down to thinking it may be the fuel pressure sensor or possibly glow plugs (changed about a year ago). Looking forward to everyone’s ideas and suggestions.