7.3 always had turbo. 6.9 did not. You may have an injector seal issue. the seals on inj will leak so it can put oil into the fuel side. Causes oil consumption, look at your fuel is it dark? Also there is a situation in which the injectors can actually inject oil with each firing of the inj. Unfortunately the only fix for that is all new inj as no way to find offending inj. Ok as for the seal issue, oil pressure on inj is higher than the fuel pressure so no it generally will not show up in the oil with fuel. your fuel will be off color. The turbo could be putting oil out the exhaust or in the intake. But beware, as these pick ups are parked in the garage people did not want oil on the floor from the breather, if I remember correct the breather vents into the intake of the turbo so there will always be some oil. with trucks the oil drip was not of concern. Hope this helps in some way but perhaps you have been down this road already. injectors can be obtained for a reasonable cost if you shop. the engine will not run with out a turbo, not enough air to support combustion. Ok it will run but not much above an idle.
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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