Diagnostic code U1094 help
Elite HDF Member
Joined: Nov 2010
Posts: 3,846
Likes: 171
From: Simi Valley, CA
I will check again tonight, but I am 99% sure it said U1094. I am going to check the connections on the fuel injectors next. It is not intermittent. It has problems all the time. I was actually thinking fuel pressure might be low. Service manual said if that is the case. Rought running. Low mpg and sluggish. Sounds exactly like what I have.
You really need to resolve the Uxxxx code first. With the Uxxxx code present (some disruption of communication between the various electronic modules) there could be other codes that you will not be able to access, and those are the codes that will direct you to the potential cause(s) of the performance issue you're experiencing, if it's an electronics issue.
Elite HDF Member
Joined: Nov 2010
Posts: 3,846
Likes: 171
From: Simi Valley, CA
Everyone on this forum always says to "get the Service Manual" and that is good advice if you simply want to do routine maintenance or mechanical stuff, but the Electrical Diagnostic Manual is equally as important for identifying most performance glitches.
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