Update:
I changed all 4 intake manifold gaskets with new ones.
Changes both front o2 sensors.
Replaced 2 fuel injectors with new ones (the old have broke during the work.)
Changed the Fuel Pump with new one
Result is still the same P0170 Bank 1 to Lean and during idle the dme set the cel light.
Anyone a idea what i can do now to solve this incredible Problem?
i still have the same problems! did all the same work as you, but i also have P0170. i haven't done fuel filter yet.
when your car is idling while warmed, and you press the throttle minimally, does your car shake at all? mine idles great but does not run well when i do this.
I Have already done the Fuel Filter and the Fuel Pressure Regulator nothing changes.
My idle is on P warm Bad with vibration
In D less Vibration but still there.
When i rev the car little bit its ok just little vibration.
This Problem is so hard to solve i changed nearly evrything without success.
Could a exhaust manifold leak on bank 1 be responsible for this issue?
And if yes how i could locate this or find it out?
If you have INPA you can discover where the likely fault is from the adaptation values - they will inform you of the likelihood of the problem being due to fuel pressure or a vacuum leak - more information here:
http://www.meeknet.co.uk/E38/Diagnostics.htm
For instance - this post here:
https://www.bimmerforums.com/forum/s...0#post29720430
Shows a high positive Additive Adaptation but small Multiplicative Adaptation - a sure sign of a vacuum leak
Last edited by Timm; 02-14-2018 at 05:06 AM.
Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i
My BMW Repair YouTube Channel
My Current 840ci Sport Individual
My Current 650ci Sport Individual
My E31 Repair and Information Website
My E38 Repair and Information Website
My E63/E64 Repair and Information Website
Chase - Heroes to a generation
Bookmarks