BenzWorld Junior Member
Date registered: Jun 2009
Vehicle: 280SE 3.5
Mentioned: 0 Post(s)
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280SE 3,5 Fuel Injectors give too much fuel
Recently I'm dealing with the maintenance of my early m116.980 '3,5' D-Jetronic engine and I'm trying to replace some of the fautly D-Jetronic parts.
I wanted to check injectors for faults.So, I removed engine fuel lines in order to check injector's fuel injection volume(amount) and injection pattern by rotating the engine(without ignition). I noticed that all injectors give too much fuel than normal. I did not understand the reason. This can be because of injector faults such as injector nozzle wear/ faulty injector spring or this is because of fuel regulator?
I checked with my spare ECU, Manifold Pressure Sensor and fuel pump.But result is same.
Thank you very much