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[steve6367]

(My Dads Car) Logging EGR no flow, but driving perfectly normally.

Anyone experienced this? I assume pop it off and clean it is a good first step?

Steve

[Marks DTM Calib]

Remove and clean, also make sure the ports in the mounting are clean to, oven cleaner is great for de-crudding EGR valves (may have to repeat a few times and don't leave it on them for to long as it can erode the alloys).

Of course, No EGR flow is the best option however........it wont re-generate a fitted DPF (depends on age if there is one or not) in this state so its only a matter of time before issues show themselves!

[steve6367]

Remove and clean, also make sure the ports in the mounting are clean to, oven cleaner is great for de-crudding EGR valves (may have to repeat a few times and don't leave it on them for to long as it can erode the alloys).

Of course, No EGR flow is the best option however........it wont re-generate a fitted DPF (depends on age if there is one or not) in this state so its only a matter of time before issues show themselves!

Thank you Mark - its 2004, so I don't believe it has a DFP - does that mean its best to do away with it? Is that possible without having the light on all the time?

[Andy H]

If it is the same Tdi PD engine as we have got in our Galaxy then the EGR is actuated by vacuum - it could be the vacuum hoses or the solenoid. it won't be though - take a look at the crap inside the EGR valve and you will wonder how it runs at all

Have a read through this guide http://www.mirez.co.uk/Galaxy/PDF/Galaxy%20-%20Intake%20Manifold%20Cleaning.pdf