Mountaineer 1999
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Joined: Jun 2003
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Mountaineer 1999
I brought a used 1999 MM. So far so good. I have done some mods on it. Throttle Body Spacer, K&N reg. air filter, and a jet chip. I just found an air induction system by Mac performance system. I am not happy with the jet chip. Getting a pinging sound when I step on it. It is okay during normal idle. Called jet they told me to send it back to them for reprogramming. Not to happy on how the chip sits on the computer. Just order a superchip mirco tuner. Wanted to know are there any known problems. With the these mods
