Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

Longer to start then black smoke

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Old 08-02-2012, 07:43 PM
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Default Longer to start then black smoke

Hi

250 Kilometers on the odometer. i.e. 125K Miles.
It has been running fine (It used to start the same second I crank it.) till one cold early morning, Cranked till killed the battery, Jump start "cranking" finally started with a good size buff of black smoke. Took it to work, Started fine every time.
Again same thing happened next day, Battery tested OK.

Left it for few hours, the longer I leave it the longer it takes cranking before it starts and blows the black smoke.

When I turn the key on, the dashboard light "Wait To Start" comes on/off "cycles and I could hear clicking" for few times before it becomes ON solid, then I start it.

What would be the most efficient course of action?

many thx







thx
Sam
 
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Old 08-02-2012, 08:36 PM
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Any codes??????
 
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Old 08-02-2012, 09:04 PM
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Originally Posted by Mayhem
Any codes??????
Non.
 
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Old 08-02-2012, 09:33 PM
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Glow plugs maybe,take them out and test them
 
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Old 08-02-2012, 10:12 PM
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Originally Posted by Mayhem
Glow plugs maybe,take them out and test them

1 ohm?
do I need to remove them? i.e. disconnect and ohm test feed to ground wouldn't do?
 

Last edited by samjesse; 08-02-2012 at 11:01 PM.
  #6  
Old 08-03-2012, 05:02 AM
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I had a few G.P.s pass the ohm test and turns out they would'nt light up like they were supposed to ????
 
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