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Diesel Engines A forum dedicated to diesel engines fitted to Volvo cars. See the first post in this forum for a list of the diesel engines. |
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Engine KnockViews : 1646 Replies : 16Users Viewing This Thread : |
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Jun 25th, 2023, 17:06 | #11 |
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Hi Simmy,
a few months ago I replaced the broken diaphragm on the vacuum pump and it works fine now. I also checked the vacuum hoses for leaks, but I couldn't find any. The only "weird thing" I noticed was the behavior of the pressure gauge if I connect it between the EGR governor and vacuum inlet on the EGR. I will post the video later. |
Jun 26th, 2023, 17:15 | #12 | |
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Quote:
1,2 or 3 |
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Jun 26th, 2023, 22:57 | #13 |
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Jun 26th, 2023, 23:35 | #14 |
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Please, can anyone confirm if this normal EGR valve behavior?
The gauge is connected to the vacuum hose between EGR regulator and EGR vacuum inlet. https://youtu.be/iWHATQ6xM0I Last edited by Zafree; Jun 26th, 2023 at 23:44. |
Jun 27th, 2023, 11:26 | #15 |
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Jun 27th, 2023, 18:55 | #16 |
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Jun 27th, 2023, 18:56 | #17 |
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I sincerely hoped the problem was the faulty injector, but this is the third injector I have replaced with apsolutely no change, so I doubt the faulty injector is cause of the knock.
What else could I check? |
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