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Cel p11dc

17276 Views 24 Replies 12 Participants Last post by  DieselDallas
At 22k miles I got this code. I couldn't find it on the internet. The dealer said it is a leaking air cleaner duct. They replaced it no charge. I'm hoping the light stays off.
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Given that Diesel engines do not have an ignition system, I had no idea that they had a knock sensor.
Tomko this motor does not have a knock sensor. checked all 8 pages of wiring diagrams for eng management at work yesterday an it is not there. the normal noise from this eng would drive a knock sensor crazy.
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