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<blockquote data-quote="saat" data-source="post: 370" data-attributes="member: 77"><p>The misus complained that her E39 stalled on her at a junction and there was significant loss of power.I tested and found the idling was rough.&nbsp; The pickup was sluggish and that the engine popped at the initial RPM climb (2000 RPM) and then the&nbsp; engine shook quite badly at 5000 RPM.Took it to the workshop.&nbsp; The computer said it was the inlet sensor.&nbsp; Changed it (RM400) and the power delivery was still sluggish.The spark plugs are surprisingly clean and good.Last area - fuel system.&nbsp; Took out the fuel filter from the underside of the car under the front pax.&nbsp; Drained the fuel out of the filter.&nbsp; First nice clear blue (V-Power).&nbsp; Then slightly murky.&nbsp;&nbsp; The third cup was exactly like my regular nescafe.&nbsp; The residue felt rough like metal and when it settled it was thick like goo.Changed the filter (didint want to just clean it) and put back the old sensor.&nbsp; Better now.&nbsp; All that came from the fuel we put into our tank.&nbsp; So watch out guys.</p></blockquote><p></p>

[QUOTE="saat, post: 370, member: 77"] The misus complained that her E39 stalled on her at a junction and there was significant loss of power.I tested and found the idling was rough. The pickup was sluggish and that the engine popped at the initial RPM climb (2000 RPM) and then the engine shook quite badly at 5000 RPM.Took it to the workshop. The computer said it was the inlet sensor. Changed it (RM400) and the power delivery was still sluggish.The spark plugs are surprisingly clean and good.Last area - fuel system. Took out the fuel filter from the underside of the car under the front pax. Drained the fuel out of the filter. First nice clear blue (V-Power). Then slightly murky. The third cup was exactly like my regular nescafe. The residue felt rough like metal and when it settled it was thick like goo.Changed the filter (didint want to just clean it) and put back the old sensor. Better now. All that came from the fuel we put into our tank. So watch out guys. [/QUOTE]

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