W124

300te 1989

I just bought a 300te 1989 and love it. only problem i've had so far is check engine (changed the o2 sensor and hasn't come back on "fingers crossed" and transmission shifts a bit jerky. sometimes it smooth sometimes it a little harsher. when I'm at freeway speed and floor it and it drops down a gear I really get a good kick. also I've tried putting in neutral going around 50. when I put it back in drive I get a good bump. any ideas out there.

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86 300D run-away engine

I have a 1986 124 300sd. I was changing out the glow plugs with the glow plug reamer kit available at MercedesSource, Awesome kit everything was a breeze lots of carbon build up. The problem arose on the test drive when the car accelerated uncontrollably! Upon close inspection I noticed that two hard fuel lines had been replaced, (by the previous owner) and in working the throttle linkage noted that ever so often the linkage rubbed on the fuel lines causing the throttle to stick in the open position.

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