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Electrical trouble shoot

732 views 1 reply 2 participants last post by  ABoismenu 
#1 ·
Hey,

I just finished doing a valve cover gasket job, spark plugs and oil change... All good until I go riding and there is 0 boost.

I look over the vacuum hoses, replace a few that look suspicious but no difference.

Thinking thru the process I recall shorting the + pole of the battery in the engine bay to ground when removing them to get more room (its a 135i) and think this is more the problem because I have not even an attempt from the engine to give boost, its 0 and no power at all..

When I WOT I got the following codes:

29CD - Fuel
2F9E - Termiac Oil lever
29D9 - Low fuel
2ABC - Tune Connection
3100 - Low Boost

Also the trunk isn't opening electronically... So at this point I'm thinking the short took something with it.. Question, what fuse are related to the fuel and boost??

Any other clues on this??

I removed the JB4 in case that failed but no difference.
 
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