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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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Old 08-15-2014, 02:59 PM
janman janman is offline
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Location: iowa
Join Date: Aug 2014
Posts: 2
Mein Auto: 318ti
318ti won't start

just recently replaced the clutch in my vehicle. after replacing the clutch, the vehicle started and ran for 30 seconds and died. Put my reader on it and it read P1509 and P1550. Both codes point to ICV. Replaced ICV and vehicle still won't start. Got no spark now and no pressure out of fuel rail. The ICV that was replaced is humming like the old one. Am I forgetting something or is my control module bad? Can I test it? Is there a ground wire for the ECM? Any help would be appreciated.
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Old 08-16-2014, 12:17 PM
janman janman is offline
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Location: iowa
Join Date: Aug 2014
Posts: 2
Mein Auto: 318ti
After further investigation, I have found that the crankshaft position sensor "might" be bad. I have read on numerous forums that if the sensor is bad it will provide no spark and no fuel pressure. I tested the sensor and got a reading of 580 ohms on the 2 outside pins. In my Chilton book, it states that I should have between 1150 and 1400 ohms on the 2 outside pins. I suspect that this part is bad, but has anyone had a similar experience? Still don't know if the DME is bad. Figure I would start at the botrom and work my way up. Found that providing power to the fuel pump put pressure in the line. Also checked resistance on ignition coil and it was within specs at .4 to .8 ohms. If CKP is bad will it kill spark and fuel? Any help is appreciated

Last edited by janman; 08-16-2014 at 12:18 PM.
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Old 08-16-2014, 05:31 PM
hornhospital's Avatar
hornhospital hornhospital is offline
D'oh, You kids!
Location: In the Grumpy Chair
Join Date: Jan 2008
Posts: 14,066
Mein Auto: 1995 318is / 1993 325is
With a reading that far out of tolerance, it's definitely going to give problems. You are going about this correctly! Fix the obvious/cheap and work your way up. It is pretty unlikely your DME is bad.
Quotes to live by:
guessing gets expensive...drivinfaster
nothing is more expensive than a cheap BMW...c4harpe13

Ken Kanne, Silverhill, AL, E36 Forum Mod/Craigslist addict/Hoarder of all sorts of stuff
BMW-CCA #441426
1995 318is "Bebe"; 1993 325is "Elvira" 1985 635CSi "Katja" 1984 633CSi "Sylvia"

Last edited by hornhospital; 08-16-2014 at 05:32 PM.
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Old 08-18-2014, 01:07 PM
Yazied Yazied is offline
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Location: Ky
Join Date: Aug 2013
Posts: 29
Mein Auto: 325ci 528i
Having the no " spark problem " in a 1991 325 auto . No spark but fuel pump is ok . Please let me know if the sensor replacement with resolve the problem thanks

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