740 - random stalling

  • Thread starter Thread starter mgb
  • Start date Start date
M

mgb

For some unexplained reason my '91 740 wagon has quit on me twice in the
last month. Both times I was coasting to a stop to a red light and then all
of the dash board lights came on and the car quit. I couldn't immediately
restart it (engine cranked-over but didn't start). After a few minutes it
started and ran without a problem - until it stalled again three weeks after
the first time.

Any ideas?

Thanks
 
Hi "mgb",

I've had that. Check for loose vacuum hose.

Good Luck.
Andy I.


: For some unexplained reason my '91 740 wagon has quit on me twice in the
: last month. Both times I was coasting to a stop to a red light and then
all
: of the dash board lights came on and the car quit. I couldn't immediately
: restart it (engine cranked-over but didn't start). After a few minutes it
: started and ran without a problem - until it stalled again three weeks
after
: the first time.
:
: Any ideas?
:
: Thanks
:
:
 
mgb said:
For some unexplained reason my '91 740 wagon has quit on me twice in the
last month. Both times I was coasting to a stop to a red light and then all
of the dash board lights came on and the car quit. I couldn't immediately
restart it (engine cranked-over but didn't start). After a few minutes it
started and ran without a problem - until it stalled again three weeks after
the first time.

Any ideas?

Thanks
Click to expand...

Well it's new enough that the wiring should be fine. Could be the fuel
pump relay, also does the tach needle drop like a rock, or does it coast
down with RPM of the engine?
 
Not sure about the tach - didn't notice. I'll watch that if/when this
happens again.
 
mgb said:
Not sure about the tach - didn't notice. I'll watch that if/when this
happens again.
Click to expand...



If it drops like a rock, then you have an electrical problem cutting off
the ignition, if it coasts down, then you have a fuel problem.
 
Or it could be the fuel pump going out as I just had happen. The shop I use
was able to put a pressure gauge on the fuel line to see if the pump was
pumping with enough pressure and mine wasn't so I replaced it with a new
one.
Bruce
 
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