Been looking at an M9R 2007 Renault Traffic came with a complaint of misfiring intermittently code stored was df0026 injector 1 circuit fault. I have been scoping the injectors with a current clamp.
Injector 1 was at 2.7 at idle on the correction factors all others seem to be negative and less then 1.
Here is the waveform for injector 1:
Hi Rob
I was at the timing side rather then gearbox side i checked which injector by unplugging one and seeing which one came up on diagnostics.
Misfire was not present but it i have driven the vehicle and it does seem to be underpowered.
I will check figures tomorrow again on live data and come back with a total.
I checked both injectors 2 and 3 they had almost exactly the same waveform but cylinder 1 is
Its a 4 channel older version pico automotive scope only only have 1 20/60 amp current clamp though.
No spare injectors and the top of the engine does look rough possibly from water but it is 8 years old now and french