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Backfiring?

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Old Nov 4, 2011 | 02:23 PM
  #1  
The Carpathia's Avatar
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Backfiring?

Smokestack did something like this the other day. Smokestack is a spring chicken (69K miles on the odo) and well-cared for. It sounded like backfiring as in a gasser but had no feel to it.

Never in the history of my diesel world has this happened to any truck I know.

What was that?

What causes it?

Should I care?

Smokestack got a new tank of fuel and a Diesel Treat chaser a day or so later. Nothing since.
 
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Old Nov 4, 2011 | 03:27 PM
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you sure it was you? where you in traffic........moving? sitting still? did you feel anything?....someone shooting at you?
 
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Old Nov 4, 2011 | 04:41 PM
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Yes, I was in traffic.

But no, I don't think anyone else was close enough to have this *not* be Smokestack. But I got all paranoid, so I can't be sure.

No, I'm not important enough to be a shot at.
 
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Old Nov 4, 2011 | 04:45 PM
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knowing Corvallis....meth lab explosion?



jk, umm are you sure it was from the engine and not the suspension popping or body flexing? or here is a real shot in the dark.......did the spare tire blow out?
 
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Old Nov 4, 2011 | 04:51 PM
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Originally Posted by clem1226
knowing Corvallis....meth lab explosion?j
Pee-Wee's Laugh - YouTube
 
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Old Nov 4, 2011 | 07:27 PM
  #6  
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Originally Posted by clem1226
knowing Corvallis....meth lab explosion?



jk, umm are you sure it was from the engine and not the suspension popping or body flexing? or here is a real shot in the dark.......did the spare tire blow out?
Sheet maing, I have no idea.

A meth lab in Oregon. I thought this was a 420 state, not a tweaker state.
 
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Old Nov 4, 2011 | 07:28 PM
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Originally Posted by nlemerise
That's qual-i-T for a friday afternoon.
 
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Old Nov 4, 2011 | 08:02 PM
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Did you hear it or feel it? Intake or exhaust back fire? Does smokestack have stacks, and if so, has it been raining?
 
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Old Nov 4, 2011 | 09:06 PM
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I have only heard one diesel back fire,it was when the turbo blew to pieces.Made one hellofa ka-boom.It was at WOT under heavy load.

That was on a 980G cat loader with a 3406.
 
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Old Nov 4, 2011 | 10:46 PM
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I was towing once and thought my truck backfired. Turned out to be a trailer tire...
 
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Old Nov 5, 2011 | 12:54 AM
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I had S60 Detroit back fire once when trying to start it cold and gelled. Blew both ends off a new muffler. The thinking was unburnt fuel in the exhaust got ignited by slowly burning fuel pushed out an exhaust valve.
 
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Old Nov 7, 2011 | 01:20 PM
  #12  
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Originally Posted by F350-6
Did you hear it or feel it? Intake or exhaust back fire? Does smokestack have stacks, and if so, has it been raining?
Sadly, Smokestack does not, in fact, have smokestacks.

No, I didn't feel it. That was the weird part, along with the fact that no diesel in the history of my world has ever "backfired." Given your stories, I think some flames and explosions would accompany those if it happened in a diesel.

I have concluded than I'm an idiot. But perhaps an idiot important enough to be shot at.... and that I can get meth in sleepy little Oregon.

A very educational thread. Thanks!
 
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Old Nov 7, 2011 | 02:10 PM
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That was funny and educational all at once ^^^^^^
 
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Old Nov 7, 2011 | 02:18 PM
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They can backfire. My 96 did 3 times. The pins going into the valve cover plug didn't lock in place with a new plug. They would randomly make contact which would cause the injector to fire out of time.
Believe me I thought was too when I heard it.
 
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