Hey Richard! I agree with Billybob. Loose grounds tend to wreak havoc on computerized components. It's a good place to start.

I bought a '96 VW jetta many moons ago for next to nothing. Would run okay and then randomly start missing and bucking. I figured it was loose grounds and it was. 'Bout 30 minutes of wrench time and it ran like a champ.

I still haven't done a thing to the '96 you sold me 'cept fuel it, change the oil and drive it.

First thing I was planning on doing is checking all the grounds and then go from there.

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1998 E300 +310,000K
1996 E300 +460,000K