Hi
I
have an 850r auto which was running fine apart from turbo return pipe seal leaking, just haven't got round to it.
Started to feel lumpy on motorway journey so pulled over.
Felt like it was only running on 2 or 3 cylinders.
Checked obvious leads etc, and got towed home. No sign of head gasket failure, all coolant/ oil ok.
Have replaced leads, plugs, rotor arm, dizzy cap, coil, injectors, and ecu from another 850r just to prove parts. All ok.
Temperature fine, codes are 1-1-5 and 1-5-5 injector faults cylinder 1 and 5. Wiring loom cheked ok, injectors already replaced.
I am at a loss as what to check next. Return pipe now fixed.
Any ideas?
Martyn
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