searched around a little and couldnt find anything so here goes... ok this is the first problem ive had with my 87 300 e thats truly got me stumped... once the car reaches operating temperature it basicly sputters and backfires under even small load, if i drive with very little throttle its a little better
but the longer i drive it the worse it gets, after a long drive at highway speeds (where the problem isnt as noticable) stop and go driving is very difficult and the car will even stall out occasionally, i thought it could have been excessive back pressure from a corroded resonator but after replacing the exhaust the problem still persisted (just more quietly) also tryed swapping out the ECU and cleaning the plugs (not fouled anyways) all to no avail... i was also suspecting some sort of transmission problem but the problem doesnt go away in park or neutral and the fluid level is fine anyways... not sure what to check next so any help would be greatly appreciated (i cant let my GFs car be better than mine)

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E30 B25
126.036
123.130 with 616-Frankenbenz (sold)
124.030-Greyhound (sold)
124.030-Schnauzer (sold)

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