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· Registered
1979 450SEL (On The way), 1980 240D, 1985 300D Turbo, 1989 300E 24v, 2004 C230 Kompressor
51 Posts
First step: Run a short test, then if that don't work keeping running it until the problem starts, then record all the short test info until it comes out on paper. Or it could have a bad mass flow sensor left or right.
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