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Old Oct 16, 2012 | 08:21 PM
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Ok I'm thinking that the coil is bad.
 
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Old Oct 16, 2012 | 08:22 PM
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Originally Posted by Bullitt390
In a GAS engine:

Black smoke is rich
White is coolant
Blue is oil

In a DIESEL engine:
Black is poorly combusted fuel
White is unburnt fuel or coolant
Blue smoke is engine oil

Josh
Ok, then why is it when you pour oil in a glass pack it is as White as a cloud?
 
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Old Oct 16, 2012 | 08:53 PM
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Originally Posted by 1977MudRat
Ok, then why is it when you pour oil in a glass pack it is as White as a cloud?
I'll say oil in the exhaust is nowhere near the same as oil entering the combustion process.


Blue Smoke vs. Black Smoke | Car Trouble | Autobytel.com

Josh
 
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Old Oct 17, 2012 | 05:33 PM
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Originally Posted by Bullitt390
I'll say oil in the exhaust is nowhere near the same as oil entering the combustion process.


Blue Smoke vs. Black Smoke | Car Trouble | Autobytel.com

Josh
HAHA ok. I like how we are actin like 4 year olds fighting over smoke lol!
 
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Old Oct 18, 2012 | 12:50 AM
  #20  
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Ok I did some plug and wire pulling to day and I ran and got a new plug to see if it was just the plug and it is still making weak spark so I shoved my finger inside the wire and it didn't seem like it gave me a good shock. So I'm thinking the coil is dead.
 
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Old Oct 18, 2012 | 12:54 AM
  #21  
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Originally Posted by 1977MudRat
Ok I did some plug and wire pulling to day and I ran and got a new plug to see if it was just the plug and it is still making weak spark so I shoved my finger inside the wire and it didn't seem like it gave me a good shock. So I'm thinking the coil is dead.
Make sure when you do that test you ground yourself out to the truck. A bad coil does not descriminate so if the coil is bad you would have a bad spark at all plugs
 
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Old Oct 18, 2012 | 12:58 AM
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Yea I held onto the manifolds . All the plugs are like that. The only reason 6 isn't firing is because it has lower compression and the spark just isn't enough to light it.
 
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