'94 E350 7.3L difficult to start
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Joined: Jan 2002
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'94 E350 7.3L difficult to start
1994 E350 "Club Wagon" XL, 7.3L non-power stroke diesel.
Starter turns over, but must be cranked continuously for 25-30 seconds to start the engine. Glow plugs were recently replaced, so all is good there, and just on the off chance that it was a cold problem, I left the block heater plugged in all night, despite the fact that it wasn't even below freezing outside.
Battery voltage checks out, and I assume must be okay since it can start after continuous power draw for 30 seconds. As it cranks, it sounds "dry" (for lack of a better description), starting to "catch" (bear with me here, I'm not a mechanic) a second or two before it finally starts with a big belch of smoke and high revs before settling down.
This problem only seems to be present on the first start of the day. Any subsequent starts are almost instantaneous, and the exhaust is clean. The next morning, however, it takes forever to start.
Any suggestions? I'm at a loss.
_G
Starter turns over, but must be cranked continuously for 25-30 seconds to start the engine. Glow plugs were recently replaced, so all is good there, and just on the off chance that it was a cold problem, I left the block heater plugged in all night, despite the fact that it wasn't even below freezing outside.
Battery voltage checks out, and I assume must be okay since it can start after continuous power draw for 30 seconds. As it cranks, it sounds "dry" (for lack of a better description), starting to "catch" (bear with me here, I'm not a mechanic) a second or two before it finally starts with a big belch of smoke and high revs before settling down.
This problem only seems to be present on the first start of the day. Any subsequent starts are almost instantaneous, and the exhaust is clean. The next morning, however, it takes forever to start.
Any suggestions? I'm at a loss.
_G
Junior User
Joined: May 2004
Posts: 62
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Sounds like air in the system to me. Others may have more ideas, but check the return lines close for leaks. Also the orings on the top of the injectors. If anywhere looks wet with diesel, it may not leak that bad when running, but allows air to be sucked back in when stopped. I have seen several threads talking about the drain valve on the fuel filter as well. I once had an Olds with a diesel and it did the same thing. Tightened the filter and the drain and no more problems.
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