Might be worth a check of the return line pressure, either at the HP pump spill line or at the injector spill rail. If the input pressure is a bit high, that might indicate a restriction elsewhere on the returns. I think that arjen mentioned this a few posts ago. Have you looked inside the EGR valve...

Yep, the first thing I checked was the resistance with a DVM (Fluke) across each of the four twisted pairs as they arrived at the ECM. To be honest, this was the starting-point for checking the injectors themselves a bit further; the results that I got were inconclusive on the end two injectors (cyl...

I'm up on the North West of Skye. Pretty much at the end of the road. You are very welcome to come and visit. Please leave Doblo at the bridge, though...

I have a Vivaro on the slab at the moment. The engine is the Renault derived F9Q_760, which appears to be running an EDC15C3 (or similar) controller for the engine. Problem symptoms are a light misfire when hot,, which become more significant when the engine is under load. As the engine diagnostics ...

Fuel is ok. Car has had this fault for a few months. Arjen, was your Seat not fitted with the PD engine, where by it will open the injectors via the camshaft?? We don't have the wps I'm afraid. It will go on the shopping list! Do you know if there has been any history of misfueling with this car? I...

I am new to this forum, but have been involved with Pico tools since the mid-2000's. My background (as then) was with a major vehicle producer, although I had to buy my own 2-channel auto kit with my personal money back then! I got a lot of use from that kit whilst working on new engine projects, ho...