TIP 166 slow to accelerate - cure
My 166 2.0TS (175k KM) had developed a problem where when I was trying to accelerate it would sometime hesitate and be unable to take revs until suddenly it would notice that I was pressing the gas-pedal and take off like a rocket (a small rocket it being only a 2.0TS). I was sure it was the MAF, but it turned out that my garage had experienced this problem before and could tell that because I had cleaned the plastic cover on the engine, there was water by the spark-plugs. They easily got rid of that and the engine is now as before. I can see from this forum that the symptom are not uncommon and may be worth checking before changing MAF which is quite expensive.