I was getting an 'oil hi' light on in my 99 ml320 and it turned out to be a faulty oil level sensor. I had that replaced which also required a complete oil change. I drove it out of town (highway driving upwards of 75mph) and had no problems over the weekend. I started heading home Sunday (the drive is very hilly) and when I would try to accelerate up the hills I would get a surging and lack of acceleration if I tried to accelerate over 75-80 mph depending on the grade of the incline. If...
Engine surging while accelerating uphill
Engine surging while accelerating uphill
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