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7 Series - E38 (1995 - 2001)

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  #1  
Old 02-23-2016, 07:54 PM
Darrol Darrol is offline
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Location: new zealand
 
Join Date: Apr 2015
Posts: 41
Mein Auto: e38 750il /740il
E38 750il is trying to kill me with stress

Hello everyone
My e38 750il is doing it's best to kill me with stress
After replacing my intake manifold gaskets I have had nothing but a nightmare
Here goes
When I turn the key on after about 5 seconds the engine failsafe program lights up on my instrument cluster
The engine Just cranks and cranks
Not even trying to fire up
I have checked fuel pressure around 60psi engine off
This is what I have replaced
DME x2
Ews & key antenna all from the same 7:50
Eml module
Both throttle bodies
Brand new battery
I have had the car on my BMW ICOM a2 diagnostic scanner today the following faults are what are coming up

EML
THROTTLE VALVE 1 POTENTIOMETER 1
VOLTAGE TOO LOW P1543

THROTTLE VALVE 1 POTENTIOMETER 2
VOLTAGE TOO LOW P1543

THROTTLE VALVE 1 POTENTOMETER 2
VOTAGE TOO HIGH P1544

THROTTLE VALVE 2 POTENTIOMETER 2
VOLTAGE TOO LOW

THROTTLE VALVE DEVIATES P0601

EXTRRNAL SAFTY CIRCULT TO DMEL CONTROL UNIT

please if anyone can help I really would appreciate and need it
Thanking you
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  #2  
Old 02-25-2016, 09:53 PM
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ebida3 ebida3 is offline
Society of the 7's East
Location: High Point, NC
 
Join Date: May 2010
Posts: 628
Mein Auto: 2001 740iL
Recheck your electrical connections. Take off air box spray starting fluid to see if she'll fire. If so the throttle body is at fault. Either mechanically or electrically. Because you created this problem the connections might be at fault.

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Old 02-25-2016, 09:56 PM
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ebida3 ebida3 is offline
Society of the 7's East
Location: High Point, NC
 
Join Date: May 2010
Posts: 628
Mein Auto: 2001 740iL
http://www.meeknet.co.uk/E38/E38_Ele...le_Control.pdf

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