No blue smoke. Just carbon.

EGR has been giving me trouble, lately.

I haven't seen ANY blue smoke, starting up, or going down the highway. I have seen the 350 from the tail recently, when following it, and just a light amount of carbon, consistently comes out of the exhaust. Unless that's not carbon.

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1987 300SDL (324000)

1986 Porsche 951 (944 Turbo) (166000)

1978 Porsche 924 (99000)

1996 Nissan Pathfinder R50 (201000)