4061RE: [bmw e28] Power problems with 1985 (C Reg) 520i
- Dec 15, 2005Have you done a fuel pressure test? -Dave Ruiz
If you plant poison ivy, you won't harvest strawberries. - William Stephens
When I die, I want to die like my grandfather-- who died peacefully in
Not screaming like all the passengers in his car."
>From: "graham_e28" <graham_e28@...>_________________________________________________________________
>Subject: [bmw e28] Power problems with 1985 (C Reg) 520i
>Date: Wed, 14 Dec 2005 22:12:38 -0000
>Hi, I'm hoping some of you may have some suggestions. My 1985 (C reg)
>520i will no longer go above 2500 rpm in any gear or when revved
>stationary - above this it 'stutters' and all loses power. I have had
>a diagnostic done on the ECU but am told all is well. It has been
>suggested that one of the sensors has failed and the ECU has
>automatically entered mid range figures for its output and gone into
>'LOS' mode to prevent the engine from being damaged - however, I
>cannot find anything about this in any of the manuals available to me.
>The ECU is the early L-Jetronic and I'm also told that the number of
>sensors is limited and anyway, the diagnostics do not extend to the
>sensors as with later models.
>Any suggestions welcome from those more experienced with these
>wonderful but frustrating beats,I posted before on 23 Nov 05 (message
>4015) but no responses ( probably you're all as confused as I am )
>.... it's getting awfully embarrassing only being able to do 65mph on
>the motorway and having zilch acceleration. Even push-bikes beat me
>away from traffic lights!
>Thanks in advance
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