BenzWorld Junior Member
Date registered: Mar 2008
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k40 module (please help)
i have read lots of posts about the maf being replaced and the k40 having bad solder joints. here is my issue
the 2000 slk 230 approx 75k miles have had for 6 years the supercharger seemed to not being giving it the power it should have and the check engine light was on.
I replaced the maf with one from bosch, that did not fix the problem
i pulled out the k40 board and did see a bad joint in the upper left with a burn mark on the board, so i resoldered that joint and put the k40 back in the car
now the check engine light went out but the car stalls out at slow speeds and misses when giving it gas (hesitation) on the highway
now what can i do besides take it to the dealer ?