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so i bought a 2000 7.3 f350 6 speed has 250k~ miles on it and its runs great but it smokes white (quiet a bit) ive put 300~ miles on it does not use coolant or oil, hooked it up to IDS scanner and it said that injectors # 3 & # 8 where low contributors ,doesnt miss at idle or run rought runs down the road fine but as soon as you put your foot in it it starts to smoke white, no liquids of any sort in the exhaust and exhaust doesnt smell like raw fuel\coolant, and this is all when the engine is up to operating temp, wont smoke when u bring the rpms up in neutral either only when under load.
so i was wondering if that could be why im getting the exessive white smoke
I would say those two injectors are causing your issue. Perhaps O-Rings, Injectors themselves, or possibly loose. Do you have the five gas analyzer and adaptor for the IDS? That would give you a better indication of fuel presence.
I would say those two injectors are causing your issue. Perhaps O-Rings, Injectors themselves, or possibly loose. Do you have the five gas analyzer and adaptor for the IDS? That would give you a better indication of fuel presence.
i do not.
ive seen them smoke real bad when 3-4 injectors start going out but it usualy smokes bad at a idle as well, i just bought the pickup paid 2500$ for it so im not worried about having to put injectors in it i just wanted to get a little bit of reassurances, from a few people.
i do not.
ive seen them smoke real bad when 3-4 injectors start going out but it usualy smokes bad at a idle as well, i just bought the pickup paid 2500$ for it so im not worried about having to put injectors in it i just wanted to get a little bit of reassurances, from a few people.
Well, the white smoke is clearly an indication something is not "right".
That being said, white smoke is primarily caused by inoperative glow plugs, loose injectors, low compression from worn rings or bent connecting rods, or coolant leak into the cylinders...... head gasket or injector well.
You got a good vehicle for $2,500. I would leave no chance to "allowing it.... well, become a problem child".
Thanks i appreciate it, If it was worn compressiom rings it would also have lots of blowby, correct? Just wondering cause it has very very little blow by
That would be correct. However, the only real way to be certain (not the YouTuebe Way with the Cap) is to use a Vacuum Pressure Test Gauge Bar #014-00761 19-0002.
You could also do a Compression test, both cranking and running to identify the culprits. While things are rare, they do occur. And if they're occurring to you, you want to find out the facts and not assumptions. So, while something's are unlikely, they still need to be ruled out unless you find the issue in the process.
Unfortunately the failing injectors are on different Heads. Although, either 3 and 8, are too difficult to pull and check. You could always move both to 1&2, or 1&3 or 2&4 to keep them on the same side since they are not companion cylinders. so they're in the front to see if the conditions moves with the injectors.
That would be correct. However, the only real way to be certain (not the YouTuebe Way with the Cap) is to use a Vacuum Pressure Test Gauge Bar #014-00761 19-0002.
You could also do a Compression test, both cranking and running to identify the culprits. While things are rare, they do occur. And if they're occurring to you, you want to find out the facts and not assumptions. So, while something's are unlikely, they still need to be ruled out unless you find the issue in the process.
Unfortunately the failing injectors are on different Heads. Although, either 3 and 8, are too difficult to pull and check. You could always move both to 1&2, or 1&3 or 2&4 to keep them on the same side since they are not companion cylinders. so they're in the front to see if the conditions moves with the injectors.
i didnt think of swapping injectors around thanks man! ill try that
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