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Old 10-11-2021
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Yes, we are seeing black smoke.

My Diag Pro only gave me the option to use injector learn I couldn't find the option of where to code the injector codes in or check the injector code numbers.

I was there when the injector come out and they definitely remove the O-ring because they showed me the condition it was in

Following up on this and doing some more investigation we have found that the glow plug fuse has blown. Every time we replace the glow plug fuse for glow plugs 1 3 and 5 the fuse blows. We removed all glow plug caps and connected glow plug one and it blew the fuse we then removed 1 and connected 3 and it blew a new fuse we connected 2 and 4 and this fuse seems to be ok. We have tested all glow plugs and they have all tested fine with a reading of 0.65 ohms.