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Old 03-22-2013, 08:29 PM
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smoking bad

i have 2004 f-350 with banks power economind tuner with banks airflo and exhaust. i changed my tuner from the 3rd setting today to 2 setting then after driving for a while came to a red light and noticed white smoke at idle then i accelerated and all black smoke. then when got home let the truck sit for about 5 hrs started and black smoke at first idle drove about 1-2 miles down street and stopped stop sign and white smoke at idle. I am going to pull my air filter and clean it tomorrow first thing. can anyone tell me or give me any advice were else to look or start. it is not throwing any enigine codes.. Thanks for any and all help or advice!
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Old 03-23-2013, 04:39 AM
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Sounds like you now have coolant entering the cylinders. Look for coolant loss. If you still have the EGR cooler installed, park on an angle with the front low, pull the EGR valve and look for moisture. It may be shiny, but that doesn't mean coolant, oil mist from the CCV will mix with carbon from the exhaust to give a similar sheen. For a small leak - soon to get bigger - you may not notice anything in the intake, but an EGR cooler replacement or delete is needed immediately.

What are your ECT/EOT delta? This failure is usually a direct result of a clogged oil cooler. Let it go too long and you will loose your headgaskets.
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Old 03-23-2013, 06:16 AM
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My guess would be a stuck open injector or bad FICM. When it is smoking black - no question too much fuel, but when it is smoking white, get out and smell the exhaust. Is it all diesel smell r is it sweet coolant smell?

MikeB
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Old 03-23-2013, 11:43 AM
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mikeB

When it is idling it smells nothing but fuel....
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Old 03-24-2013, 06:39 AM
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With more info about the smell, it certainly could be an injector, but you might notice a miss. Change the tune level to confirm it is not a tune or FICM error. Did you have injector issues prior to the tune change?
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Old 03-24-2013, 04:27 PM
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as far as smell very strong lean smelling nothing but lean fuel. on the previous injector problems none that i know of.
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Old 03-25-2013, 08:25 AM
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Turn off or disconnect the tuner. See if you still have a problem.

Check the FICM voltage.

MikeB
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Old 03-26-2013, 01:42 PM
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Disconnected tuner won't start. It seems that its dumping to much fuel on injector..
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Old 03-26-2013, 04:26 PM
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So now it won't start and reeks of raw diesel. It may hydro-lock if too much fuel enters the cylinder. Assuming this is the problem, a nozzle may have failed.
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Old 03-26-2013, 04:52 PM
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No when the banks tuner disconnected it wouldn't start. Reconnected and starts just fine. It definatly has symptoms of failed injector. Side rough and nocking and smoking white at idle and grey/ black at acceleration.
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