Audi A4 Tdi Egr Valve Problems

The little vacuum actuator on top of the egr valve may not have enough power to open the valve against the carbon build up.

Audi a4 tdi egr valve problems. Audi a4 b7 2 0 tdi problems problems problems. Hi a week ago the egr valve on my audi started making a loud ticking noise. If your egr valve flap is stuck open or stuck shut then this is possibly the reason why. I would be 90 certain problems 1 to 3 are caused by the egr valve i paid for this to be cleaned and it still smoked like yours and had a bit of shudder on acceleration.

I had a new egr valve fitted around 65000 miles as the car was losing power intermittently power more off than on the same symtoms started again recently around 105000 miles engine management light came on and so took it in to my regular garage. Raffhussain sep 21 2011. I have it unplugged at the minute as the new part is 240 vat and only available from audi direct. There is a rubber seal between the anti shudder valve and egr body a gasket between the egr valve body and inlet manifold and another gasket between the egr pipe and egr valve body.

Will having it unplugged for a while do any damage or. Page 1 of 3 1 2 3 next. Check the egr valve and possibly clogged egr ports or passages. The problem is in any diesel using egr the high levels of soot in the exhaust reintroduced through the egr system combine with the crankcase oil fumes vented into the intake and form a carbonized sludge that can reduce flow sieze the proper cycling of the egr valve i e.

Audi a4 2 0 tdi sline 56 plate posted in a4 b7 2005 2007. Sensor issue the differential pressure feedback egr sensor can go faulty and cause the egr valve to stop operating properly and throw the code. The oil carbon mixture can quickly build up around the egr valve and cause problems such as a sticky flap. Audi a4 avant 2 0tdi s line special edition.

The car seems to be running fine except for the engine managment light being on. Excessive exhaust gas recirculation. Insufficient exhaust gas recirculation flow. Exhaust gas recirculation egr flow problem.

Egr valve problems again. Check the egr valve hose or electrical connections as necessary.