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Loss of power under load

2K views 2 replies 2 participants last post by  94325is 
#1 ·
Car is the 1994 325IS... it will start and idle fine, rev fine... it purrs... until I put it in gear and try to drive it... then it loses all power, wants to stall, etc... not sure where to start with it exactly... any ideas?
 
#3 ·
Well if you do figure anything out, let me know, and I will do likewise... I wondered if maybe it's the Mass air flow sensor, or maybe an O2 sensor that is mucking up the air/fuel mix... as I say, it will start and idle fine, no signs of vacuum leaks etc... you wouldn't know there was any problem with it until you try to actually drive it... I have had problems with, and replaced ignightors in the past, and there is always something else going on besides power loss... rough idle, missing etc.... this one is a real mystery... one last item.... it happened initially while driving... was going along fine, them wham...
 
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