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Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

service engine soon

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Old 02-18-2009, 09:20 PM
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Default service engine soon
k i have this service engine soon light on , how do u get rid of it? also my passenger air bag light is on when it is actually on, how do i fix that? Is there a diy area on this forum?
 
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Old 02-18-2009, 09:39 PM
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Probably a faulty sensor. If you can pull up the codes, that can tell ya what is setting the CEL.
 
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Old 02-18-2009, 09:53 PM
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if you have any type of programmer, most of them can pull ECM codes.. having them will be a huge help generally in finding whats wrong.
 
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Old 02-20-2009, 10:22 PM
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any codes?
 
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Old 02-21-2009, 07:50 PM
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i dont have a programmer and went to hook up a scanner to check codes and the eprom thing under the dash doesnt give off any power. Does anyone know how to trouble shoot that plug.
 
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Old 02-21-2009, 07:51 PM
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where/what did you use to scan it with
 
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Old 02-21-2009, 09:05 PM
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Originally Posted by 02_duramax
i dont have a programmer and went to hook up a scanner to check codes and the eprom thing under the dash doesnt give off any power. Does anyone know how to trouble shoot that plug.
Cig lighter fuse.
 
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