Matty

I get thw light on the dash board going on and off as normal, but no power at the plug lead end. Could a weak battery have anything to do with it. As sometimes it turns over very slow and other times it turns over fine

I have know fitted a new heater plug relay and still not getting the heater plugs to light. Is there a fuse for them to? And where isit's location?

The only codes i had was what i posted the other day, on this topic. Yeah fed up with it now, but i do enjoy my a5

So i removed the egr tonight and cleaned it but it wasnt thats dirty anyway cleaned the valve up so il see if its any better but i dont think its fixed. Iv ordered a new relay so il have to rescan it an see what faults come up

Thanks rob so the ecu code insuffient air flow means it blocked. Not that the egr is knackered. Yeah i had a caddy van and that stuff worked gold for cleaning the vains out il give it ago. Thanks pal

One of the codes is insuffient airflow to the egr valve. Does this mean it is blocked? My car orginally had a fault showing on the ecu with intake flaps., but i had a mobile man come out and do a dpf clean and remap as he remapped the flaps out the system, do the egr and flaps work hand in hand. Would i be correct to pull the egr and manifold off and give it all a good clean out? With brake cleaner? Would that fix the problem

Rob that is very helpful. So you have forced regen your one on that scanner and its worked? Wonder if mine will regen with the faults on the ecu with a force regen on the scanner il have alook now on ebay.

These are the codes we got. We did try and take my mates relay from his and try it in mine. And test with a power probe when the ignition was on and off and still nothing at the end of the plug lead.

My friend has the same model a5 as ne so we are going to try the relay out of his tonight to see if that solves the problem and also code read the egr to find out what the problem is. Do you think it will regen with a egr fault code stored?

Thanks steve. I have put 6 new heater plugs in but there is no feed i can only presume the relay as i dont think there is a module is there

Hi my a5 was code red the other day and has some faults stored on the ecu. The heater plugs are not working. Suspect the relay. Also the egr was on there to possibly failed or blocked. What i want to know is would the regen cycle stop because of these faults stored, causing the dpf to block up. Im going to have alook further into the egr and then take it off an clean it if the flow is insuffient. Just not sure about the glow plugs if this would stop the car regening

Hi guy's am abit stuck had my audi plugged in and it was showing a heater plug fault, so iv jumped the gun an fitted 6 new heater plugs thinking it was them. Now iv checked the leads with a test lamp when ignitions on and nothing. Think there isnt power getting to them. Where abouts is the location of the relay on a5 3.0tdi the cars a 2007 capa engine. Iv been having dpf problems and bin told if theres no heater plugs the car wont regen. So need to fix it, sharpish. Thanks anyway help would be much appreciated

My a5 has developed a crunch in 3rd gear. Its a manual. Is the syncro in the gearbox a common fault on them? Also does anyone know the gearbox code