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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E36 (1991 - 1999)

E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 08-23-2012, 04:30 PM
troypalmer troypalmer is offline
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Location: minnesota
 
Join Date: Aug 2012
Posts: 6
Mein Auto: 96 318ti
fuel pump ?

it would seem the wifes 96 318ti wont start,it has been running like a top,no issues other than a minor oil leak.the car does turn over,i shot starting fluid into the throttle body and i could get it to bark abit,this wasnt a attempt to keep it running,just trying to do my best at diagnosing (spark,fuel and air )i can hear the fuel pump when i turn the key however i have no pressure on the injector rail ( the release valve ) next step was that i disconnected the fuel line at the fuel filter between tank and fuel filter.had no fuel come out of line when key switch was turn on,even though i could again hear the pump whine.questions
1)has anybody ever heard of fuel pump being bad and still audible,im thinking impellers may be bad ? i have replaced more than a few pumps over the years and either they were on or not,all or nothing.
2)while doing the previous i was taking breaks and looking through forums for some help,now im all stressed out over everything from cam,crank sensors to dme being fried from some bad windsheild seal...
am i on the right track ??
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  #2  
Old 08-23-2012, 06:14 PM
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drivinfaster drivinfaster is offline
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Location: in the sticks you piney
 
Join Date: Nov 2007
Posts: 10,149
Mein Auto: rescued bmw's
yes, a pump can spin but not build pressure when the vanes are worn enough.


your guage isn't reading empty, or almost empty, is it?? you may have a faulty sender for the guage.



df
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Old 08-23-2012, 07:14 PM
troypalmer troypalmer is offline
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Location: minnesota
 
Join Date: Aug 2012
Posts: 6
Mein Auto: 96 318ti
gas gauge is reading about 3/4 full,what has me a bit baffled is the fact there was no warning whatsoever and that im still getting noises from the pump,even though like i said earlier no fuel is being pumped....new fuel pump on order,will pick-up and install in the a.m.
hope my guess is right,fairly expensive guess.
wish me luck
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  #4  
Old 08-23-2012, 07:33 PM
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drivinfaster drivinfaster is offline
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Location: in the sticks you piney
 
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Mein Auto: rescued bmw's
if there is power to the pump, and it is running, but nothing is coming out of the fuel line, then yeah, it sounds to me like a fuel pump.



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Old 11-27-2012, 06:46 AM
josephroberts75 josephroberts75 is offline
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Location: northcarolina
 
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Mein Auto: e36 bmw
yep fuel pump while at it replace filter
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