Where is the EGR valve on 2.5T engine?
Where is the EGR valve on 2.5T engine?
Author
Discussion

NDT

Original Poster:

1,767 posts

293 months

Sunday 17th March 2013
quotequote all
I think the EGR valve is stuck on our 2.5T S-max.
Does anyone know where it is and where the pipe runs to it are?
I'd like to disconnect it to rule it out as a source of a minor driveability problem.

Megaflow

11,565 posts

255 months

Sunday 17th March 2013
quotequote all
Are you sure it had got one?

NDT

Original Poster:

1,767 posts

293 months

Sunday 17th March 2013
quotequote all
Pretty sure it should have one.

Les84

1,054 posts

196 months

Tuesday 19th March 2013
quotequote all
NDT said:
I think the EGR valve is stuck on our 2.5T S-max.
Does anyone know where it is and where the pipe runs to it are?
I'd like to disconnect it to rule it out as a source of a minor driveability problem.
what's wrong bud, as I have a Focus with the same engine and I don't think they have EGR

NDT

Original Poster:

1,767 posts

293 months

Wednesday 20th March 2013
quotequote all
Les84 said:
what's wrong bud, as I have a Focus with the same engine and I don't think they have EGR
Think you're right!

Very slight hesitation at light throttle 1800-2200 rpm.
No problem on boost.

Long term fuel trim is leaning out by about 12% - not enough to trip the check engine light.
MAF, wide band lambda and coilpacks all supposedly OK (checked by a diagnostics specialist).
Latest theory is the purge valve is stuck open and pulling vapour from the tank, hence sending the mixture slightly rich and casing the fuel trim to lean things out.