I’m getting CEL for lean fuel mixture after repairing leaky fuel rails ( supercharger removed etc)

smoke test for vacuum leaks shows leak around coil casing (?) on EGR valve. Not sure if this a real issue or would it leak in ignition off mode?

I found one available on partsgeek but replacing it is a bitch. Can it be done without removing supercharger and throttle body elbow (groan). ??

thanks for any advice!

 

If I am reading you right. Would it not be vacuum line seal to the Brake servo which sits on the EGR which is leaking, rather?

C2S15816

https://parts.jaguarlandroverclassic...ml#tab-gallery

https://www.jaguarforums.com/forum/s...-p0174-149418/

 

Thank you. I was able to replace that bushing and it seems to hold pressure ok.

the current leak is in the egr valve assembly or the gasket where it attaches to throttle body elbow. All very tough to get to.

 

The egr valve comes off before the supercharger anyway

 

Maybe I’m doing it wrong but I previously removed supercharger and leaky fuel rails WITHOUT removing the EGR valve assembly

even with S/c removed it was not obvious how to remove EGR valve on back left of engine bay.

I do not wznt to remove S/c if at all possible.

thanks.

 

heater lines out you'll get some room. heat the manifold side nuts and then take the egr side bolts off. this is how you're supposed to remove the blower

the other way of just bending the tb elbow out of the way to get to the bottom bolt is better

 

I went a step further and removed the entire cabin air filter encasement. Tons of room and very little chance of rounding a nut or bolt

 

I have already removed under hood brace and cabin air filter trappings. Looking at removing heater hoses as suggested

any intel on why 4 hoses going through firewall?

thanks again

 

dual zone heater core

datc works by impeding flow to the heater via valve it doesn’t have a real blend door

 

On closer inspection I see there are only 3 hoses going through firewall. Makes more sense.
1 supply and a return for each half of the heater core.

again thanks for advice.

 

for dual climate control temp settings coming off dccv when seperate pass and driver temps are used. When you disconnect the hoses remove the bracket bolts for the two brackets holding the hoses and fold them towards the front and secure with bungee cord or similar

 

Go to this thread and look at post 163.

S-type supercharger removal (with pics)

just search the title in the search bar. It pops up about fourth one down. I was removing the whole charger so you probably do not have to remove the big intake pipe or throttle body. All the egr access is from the space created on the pass side

 

Thanks. But I’m not good at this thread searching. Was not able yet to find the article with pics ftom my phone. Will try again ftom my tablet but hints are welcome.