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M104 Engine sudently cuts out

BRABUS124

E500E Enthusiast
Member
Hi I have this isue that the engine 104.992 goes a bit erratic at idle but only sometimes. Feels like small 1 pop like a misfire every one and then. . All new delfi wireharness but the same before. All new spark plugs but still the same. Another MAF also tried, still the same.
The car if siting at red light, can sudently just cut out the engine and all lights comes on. Same as if you just turn the engine off and at ignition. It can be started right up no problem.
If you push the throttle hard it also cuts a bit out on few 1-2 cyl. Until it gets up in rpm.
It does not have ASR but ASD and I'm suspecting it to be ignition related or fuel pump thing.. What are youe ideas?
 
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