Have a 87 300td wagon w/ 124K.It has the new trap oxidizer replacement and has had a new complete head job due to the normal 603 problems. It has been running like a champ until today!

Filled up the tank( it was have full) :shortly after, it started to lose power as it was going over a Mountain pass. It now smokes very heavy white. It has not been a problem before.

Opinions please! I hope it's not the head gasket! Could it be bad fuel?

Smoking and loss of power? Could you have possibly put in gasoline instead of diesel?? It is the #1 cause of the loss of power after a fill up>

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Benzmac:
ASE CERTIFIED MASTER AUTO TECHNICIAN
LEAD TECHNICIAN FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM

White smoke=coolant burning.......

But I hope I am wrong