03 lb7 Misfire and black smoke
i have an 03 lb7 duramax number 2 cylinder misfires and rolls black smoke. using a scanner, cancelling out number 2 engine runs fine with no smoke and after timing out misfires again and rolls black smoke, causing a loud knock in the motor. changed the injector and the problem persisted. problem occurred suddenly while driving down the road.
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sounds like the injector has gone bad
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we just replaced the injector and it did the same thing? we cant figure out why the issue is still occuring with the new injector
---AutoMerged DoublePost--- the rail was flushed out and there are three other injectors on that rail why did'nt it cause another one to miss |
the injectors are electronically actuated, them being fed by the same fail does not make a difference.
you sure you got the #2 one, its the front driver side injector. were you able to check balance rates of the injectors? |
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