My son bought a used 2017 Ram 1500 Ecodiesel with 79,000 miles on it. He drove for another 5,000 miles and now it won't start. He said he thought it lacked acceleration power from the time he first bought it. He was driving it recently and stopped and parked it, and when he came back out, it wouldn't start. He had to have it towed home. His OBDII analyzer told him initially it had low fuel pressure. He had it towed to the local Ram dealer. They were able to get it to start, but told him it was making a knocking noise and he needed a new engine. He had it towed back home. He replaced the High Pressure Injector pump, but it still wouldn't start. He then replaced the lift pump, but it still won't start. Could it be the injector rail pressure sensor or the injector rail pressure regulator? Can't believe he needs a new engine, as it was running fine before it wouldn't start. One other observation; when he checked the oil level, it was above full, as if diesel had been getting by the rings and contaminating the oil.
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2017 Ecodiesel won't start
- Thread starter GAC
- Start date
1shadowsabre
Well-Known Member
- Oct 18, 2015
- 913
- 378
- Truck Year
- 2015
Pull the oil filter and check for contamination...(metal shavings)
- Thread starter
- #3
He changed the oil already, but he didn't check the filter. He did check the drain plug though and didn't see any metal.
SeanPwnery
Active Member
- Nov 30, 2022
- 135
- 54
- Truck Year
- 2016
Welcome by the way.
When you say it won't start - what's it doing? No crank at all? Stuck cranking constantly until he flips the key to the off position? Can he hear the lift pump with the key to the "on" position, but not the "start" one? I'm not 100% on if what happened to mine is common, but I had a similar issue with the no start thing, and it turned out to be the wire from the TIPM to the lift pump had a break in it. Before I discovered and fixed that for a whopping $7 dollars worth of wire, the dealer pulled the same bulls**t on me about needing an entire fuel system, or engine, blah blah, 15 grand repair bill on a truck I had owned 10 weeks.
I guess he has to start small ... oil was over-full ... did it smell like diesel? I'd imagine if it was a pressure issue, it'd at least chuff a little something out the tail pipe while trying to turn over.
When you say it won't start - what's it doing? No crank at all? Stuck cranking constantly until he flips the key to the off position? Can he hear the lift pump with the key to the "on" position, but not the "start" one? I'm not 100% on if what happened to mine is common, but I had a similar issue with the no start thing, and it turned out to be the wire from the TIPM to the lift pump had a break in it. Before I discovered and fixed that for a whopping $7 dollars worth of wire, the dealer pulled the same bulls**t on me about needing an entire fuel system, or engine, blah blah, 15 grand repair bill on a truck I had owned 10 weeks.
I guess he has to start small ... oil was over-full ... did it smell like diesel? I'd imagine if it was a pressure issue, it'd at least chuff a little something out the tail pipe while trying to turn over.