- posted
16 years ago
still hard to start
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- posted
16 years ago
I forgot to add, that when I replaced the AMM the large hose going up to the manifold had what could be described as a fair amount of oil in it. That is, pooling in the ridged hose of maybe a teaspoon of oil. Enough that you could pour out a few slow drops, because of the ridges. Signs or symptoms of what?
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- posted
16 years ago
I don't know how the 240 induction is laid out, but that could be a sign of a properly operating Volvo crankcase ventilation system - really! Wherever the large hose from the flame trap (or the "Y" housing that can hold a flame trap) connects to the intake ducts, a significant amount of oil mist is brought in. It normally coats the inside of the ducts and pools in low spots. It isn't good for the ducts and softens the bottoms, but there isn't any actual "fix."
Mike
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- posted
16 years ago
Have you tried the test for leaky checkback valve (or anything else that lets the fuel rail pressure bleed off)? Hit the starter for about half a second and let the key drop back to the "run" position for 3-5 seconds, then try starting. If it starts right up it indicates the fuel pressure has bled off from the injector rail while the engine was sitting. The "bump" of the starter runs the fuel pump about five seconds to restore pressure. You'd think the engine would fire as soon as pressure was regained - just a few seconds - but in practice ECUs start messing with the mixture by that time and the engine won't catch. Stupid computers! Eventually it stumbles on the right injection.
Alternatively, you can spray a few seconds worth of starting fluid into the air filter and close up the air cleaner box before trying to start in the morning. That will at least tell you if all you are missing is fuel.
Mike