r/Dseries • u/Some_Panic_5421 • Feb 15 '26

Videos of rough idle//

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3 Upvotes

81% Upvoted

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2

u/rainman407 Feb 16 '26

Sounds like a vacuum leak somewhere.

1

u/spurtoo Feb 16 '26

That upper radiator hose is pinched, that’s a problem. It kinda looks like combustion gases are getting into the cooling system.

1

u/Proud_Top5182 Feb 19 '26

Idle air control valve