Thread: 'Hypothetical' EGR blanking question.

Originally Posted by Tombie

I hope your tuner also modified the recirc tables to account for the lack of flow through the EGRs messing with the fuelling tables causing mixture issues.

Pete Bell seems to have a good rep in the UK for doing a decent job. He was one of the first guys to get the DPF delete right (which was what I was really interetested in). The EGR was more of a a "while I'm in there".

Originally Posted by BradC

Pete Bell seems to have a good rep in the UK for doing a decent job. He was one of the first guys to get the DPF delete right (which was what I was really interetested in). The EGR was more of a a "while I'm in there".

So you’re talking a D3 then?

And yes I know Pete, quite well actually

Originally Posted by garrycol

Yes if one or both EGRs are not serviceable (hence blanking) but if some reason the EGRs are still working OK blanking will not throw codes as the ECU is getting the messages back from the EGRs that it expects.

But a soon as an EGR fails you will get faults immediately.

Garry

Not on later models.. there’s recirculating gas flow etc that need to be factored in.

Not like early units.

Originally Posted by Tombie

So you’re talking a D3 then?

Yeah. MY08, so just blanking wasn't an option and I still had to get the DPF programmed out.

I didn't think DPFs were on cars that early?

Originally Posted by garrycol

I didn't think DPFs were on cars that early?

There is a reason I named it "The Antichrist". UK import with all sorts of odd-spec fruit. Even the UK spec for that model year didn't have the DPF.

Originally Posted by Tombie

So much WRONG advice in this thread!

You can block EGRs in D3s up to around ‘07.

On a later tuned engine with the EGR disabled the units are closed - so they are blocked! But still do their cleaning cycle on shut down.

Just throwing blanking plates into a D4 2.7 will throw codes....

x2 All of the above

AND...
The intake butterfly doesnt need to be removed, there is no advantage.... OR disadvantage in doing so.
It NEVER fully shuts even with working EGR, the engine could not draw the amount of air it needs through EGR.

AND...
look at the specs of your Disco, if it says EURO 4, there is no DPF