1988 528e with ~170K miles. Engine has always run fine, starts everytime.
4 times in the last month while at cruising speed (~65mph), on highway,
no acceleration/load, variety of outside temperatures, I lose power.
It is as if it wants to stall. Usually drops to about 1K rpm despite the
accelerator to the floor. Anti-Lock light comes on. Within ~30sec I can
again accelerate and it seems to run normal accept: 1) Anti-Lock light
remains on, 2) seems a little less responsive on acceleration.
After I park for a few hours the Anti-Lock light will be off when I restart car.
I don't think it is a stuck rotar. I don't detect any drag on any of the wheels.
Other times, car runs fine --- except just the last week it has run rough
and stalled while idling a few times (never in the past) and I think I detect
a whine from the rear passenger side.
Questions:
1) How are the "Anti-Lock" electronics and acceleration related?
2) Does this sound like a supply problem? Pump going out?
3) Probably not a filter problems since periodic?
Thanks for any suggestions.
4 times in the last month while at cruising speed (~65mph), on highway,
no acceleration/load, variety of outside temperatures, I lose power.
It is as if it wants to stall. Usually drops to about 1K rpm despite the
accelerator to the floor. Anti-Lock light comes on. Within ~30sec I can
again accelerate and it seems to run normal accept: 1) Anti-Lock light
remains on, 2) seems a little less responsive on acceleration.
After I park for a few hours the Anti-Lock light will be off when I restart car.
I don't think it is a stuck rotar. I don't detect any drag on any of the wheels.
Other times, car runs fine --- except just the last week it has run rough
and stalled while idling a few times (never in the past) and I think I detect
a whine from the rear passenger side.
Questions:
1) How are the "Anti-Lock" electronics and acceleration related?
2) Does this sound like a supply problem? Pump going out?
3) Probably not a filter problems since periodic?
Thanks for any suggestions.