Question about 2004 Dodge Ram 2500

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Bad smoking I driving from Texas to Washington DC. After two days of hard driving, pull to a stop light, my cummins exhaust covers the whole intersection with smoke? It is idling rough almost missing? Could this be from the temperature change?

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  • bill_harriso Jan 03, 2009

    I would say that It is soot on the tailpipe. The oil is not low or using! However gas mileage drop alot! We did just go through mountains. How could I tell?

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A little more info would help, but I'll try anyway. I believe that you either blew a head gasket or cracked the head. If the smoke had a bluish tint or smells like anti-freeze or has a 'sweet' smell, it's a 99% probability of this.
If it's grey or black smoke, with a heavy burnt smell, it could be anything from a head gasket to a simple oil leak that is dripping onto a hot exhaust. If it's a leak, you may lose very little oil, not really noticeable on the dip stick. (You'd be suprised how much smoke can come from just a little oil).
The fact that it's running differently also points to a head gasket and/or cracked head. If this is the case you now have less compression in atleast 1 cylinder which will cause misfires, loss of power, rough idle,etc.
As far as weather changes go, the cooler an engine runs, the better it runs due to a more perfect air/fuel ratio (14.7 air to 1 part fuel is the perfect balance, or "stoichyometric").
First of all, I wouldn't even start it until it's repaired as you may (and probably would) do more damage. What to look for: Is your coolant level low?; Is there water in the oil or oil in the coolant?;
Is there anti-freeze or oil visibly leaking?
A compression test most likely will be required to check the head(s) and head gasket(s). I would find a competent mechanic to look at it ASAP as there's only so much that can be diagnosed without physically seeing it. If you can, let me know about any leaks, coolant and oil levels, color and smell of smoke, etc. and maybe I can pinpoint the problem further.
If it is a head gasket, make sure the mechanic checks the head(s) for cracks as well or the head gasket may be for nothing. Good luck!

Posted on Jan 03, 2009

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U are going to have to have the trouble codes run, I am sure the issue is with the injection pump, perhaps a fuel distribution ring seal failure.

Posted on Jan 03, 2009

  • yadayada
    yadayada Jan 03, 2009

    U other experts this is a Diesel, your comments are keyed toward a gas powered rig. Happy New Year!

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Sir,

Click this link for more information

also check this link

thanks
good luck

Posted on Jan 03, 2009

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Hi bill,.... it could be your axigen sensor or your tps trottle position sensor
i also recomend to unplug the maf sensor if it does have one, some cars will idle with maf senseor unplug others not but if by unpluging the maf system dispear the replace maf sensor
(mass air flow)

Posted on Jan 03, 2009

  • ABHISHEK.C
    ABHISHEK.C Jan 03, 2009



    1.Check your battery 
    2.if your battery is powerful, then you have to watch out your fly wheel and start gears
    3. maybe your idle is slow, 

    I addressed your smoking and missing issues in your other problem post, but let's take a look at your starter problem.

    Make sure that all your battery connections are good. A bad connection will get hot if that is the problem when you try and crank the engine. Another way to check for battery problems is to turn on the headlights while trying to start... if the headlights dim to the point of going out, or almost out, it is probably a connection at the battery if a hot terminal is felt, or the battery itself if no hot terminal is felt.

    It could possibly be a bad ignition switch, but if the battery and connections are good, I'm betting it's the starter that is bad.

    I hope this helps you figure out what the problems are, but please don't hesitate to ask if you have questions or to post further comments on this problem. And PLEASE be so kind as to rate my advice --- that is my only compensation for serving you! And let us know how it goes!

    Best of luck and thank you!




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Sounds like a blown head gasket, what color is the smoke and is there any liquid or soot on the exhaust pipe?

Posted on Jan 03, 2009

  • machadojr_fe Jan 03, 2009

    Check the pcv valve and breather filter and please post the results

  • machadojr_fe Jan 03, 2009

    you will get soot on the tailpipe if you are burning oil

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