what have you done to your car today ?

iammooks

Active Member
Nov 27, 2018
1,784
1,172
Got to drive the car for the first time in three weeks today. Can't seem to get the car past 3-4,000 revs though - it almost feels like it's hitting the rev limiter but 1,000rpm too early.

Turbo does sound 'different' but I can't put my finger on how.

Noticed the other week that the car had a rich smell coming from the exhaust that I've heard can be because the intake manifold is blocked and the car's not getting enough air in the mix, so that might have to be next on the list after doing the shocks.

Hopefully it's just dirty and clogged, because I really can't see myself being able to afford a new turbo.


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iom

Active Member
May 18, 2021
22
5
finland
would wind deflectors that fit audi/vw fit on leon? if so which model ones? trying to find front set of 'longer" ones and they dont have 1m leon on list
 

Thai-wronghorse

Self proclaimed Cupra R addict & butcher!
Dec 3, 2015
2,240
1,093
Kent
would wind deflectors that fit audi/vw fit on leon? if so which model ones? trying to find front set of 'longer" ones and they dont have 1m leon on list
No, all the doors differ in shape so they need to be vehicle specific.
They're not even expensive so certainly not worth fitting the wrong ones.

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Daveb77

Active Member
Mar 19, 2008
287
11
Got to drive the car for the first time in three weeks today. Can't seem to get the car past 3-4,000 revs though - it almost feels like it's hitting the rev limiter but 1,000rpm too early.

Turbo does sound 'different' but I can't put my finger on how.

Noticed the other week that the car had a rich smell coming from the exhaust that I've heard can be because the intake manifold is blocked and the car's not getting enough air in the mix, so that might have to be next on the list after doing the shocks.

Hopefully it's just dirty and clogged, because I really can't see myself being able to afford a new turbo.


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any resolution mate, im suffering from same type of issue, new coils, plugs etc but think i may have repeated coil fault, really hesitant at 3-5k... EML flashed the other day pointing to repeat ignition fault... murder!!!
D
 

tanto

Active Member
Oct 16, 2016
101
21
would wind deflectors that fit audi/vw fit on leon? if so which model ones? trying to find front set of 'longer" ones and they dont have 1m leon on list
i have the team heko ones on mine got them from ebay been on the car for over 2 years now
 

iom

Active Member
May 18, 2021
22
5
finland
i have the team heko ones on mine got them from ebay been on the car for over 2 years now
Team Hekos on mine but have to admit to a lot more air/road noise
Like the look of them but hate the added noise


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i've had hekos too but i'm looking to find something like this for front windows, maybe not that large but something like it, they make them for golfs and a3s but not for leons
 

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iammooks

Active Member
Nov 27, 2018
1,784
1,172
Went to pick up some paint on Saturday and decided to give the car a fist full of beans on the way home. Wouldn't go above 3,000rpm when in second.

Most of my driving is in town at the moment, but I know earlier in the year it would rev fairly freely (for a diesel anyway) as it didn't have trouble on country roads when I was warming the car up for its MoT.

Turbo had the Mr Muscle treatment a few months ago without any issues, and so the only thing I can think of now is either the intake is clogged or there's an issue with the MAF or MAP sensor. I've never cleaned the MAP sensor before, so will start there before I take the inlet manifod apart, but it's a job that needs doing eventually anyway.

Would be good to know if any other ARL diesel owners have had a similar issue so I know where to concentrate - there are only so many things it could be after all...
 

Rich.T

Active Member
Feb 15, 2020
1,609
932
Went to pick up some paint on Saturday and decided to give the car a fist full of beans on the way home. Wouldn't go above 3,000rpm when in second.

Most of my driving is in town at the moment, but I know earlier in the year it would rev fairly freely (for a diesel anyway) as it didn't have trouble on country roads when I was warming the car up for its MoT.

Turbo had the Mr Muscle treatment a few months ago without any issues, and so the only thing I can think of now is either the intake is clogged or there's an issue with the MAF or MAP sensor. I've never cleaned the MAP sensor before, so will start there before I take the inlet manifod apart, but it's a job that needs doing eventually anyway.

Would be good to know if any other ARL diesel owners have had a similar issue so I know where to concentrate - there are only so many things it could be after all...
Pull the boost pipe off and open the butterfly in the throttle housing and see if you can see on there. May need a mirror n torch.

Possibly may need to remove the throttle housing to see whats going on.

I remember when i cleaned mine out.
The hole in the manifold where the air goes in could swallow a small apple.
There was so much crap in mine, the hole in mine was only big enough to get my thumb in.
Dont try n clean the manifold in situ, guarantee youll dislodge some crap that'll be sucked into the engine.
 
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iammooks

Active Member
Nov 27, 2018
1,784
1,172
Pull the boost pipe off and open the butterfly in the throttle housing and see if you can see on there. May need a mirror n torch.

Possibly may need to remove the throttle housing to see whats going on.

I remember when i cleaned mine out.
The hole in the manifold where the air goes in could swallow a small apple.
There was so much crap in mine, the hole in mine was only big enough to get my thumb in.
Dont try n clean the manifold in situ, guarantee youll dislodge some crap that'll be sucked into the engine.

16d34aa4c4e8335a6864a8228e56c522.jpg


I took this photo last year when I took the EGR valve off to clean. There seemed to be more build up around the neck where it connects to the EGR, but you get the idea. I'm guessing the ports are probably totally clogged.

Looks like I know what I'll be doing this weekend. When I tried to do this before, I didn't take the air intake pipe off, so had a whole world of problems getting access to the allen bolts.

Did you notice any change in performance when you cleaned it? Were you down on power beforehand?


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Rich.T

Active Member
Feb 15, 2020
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Yeh, if memory serves, my car was on about 140k and looked like itd never been cleaned.
It made a fair bit of difference. A lot more responsive and i could feel that it was breathing better.

The port end is a little restrictive on these as you'll see when you take it off.
Adding to that a whole load of crap wasn't helping.
Do your homework on whats best to clean it out with as the build up sticks like **** on a blanket.
Also, you'll probably have to bin the clothes you wear on the day too.
 
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iammooks

Active Member
Nov 27, 2018
1,784
1,172
Yeh, if memory serves, my car was on about 140k and looked like itd never been cleaned.
It made a fair bit of difference. A lot more responsive and i could feel that it was breathing better.

The port end is a little restrictive on these as you'll see when you take it off.
Adding to that a whole load of crap wasn't helping.
Do your homework on whats best to clean it out with as the build up sticks like **** on a blanket.
Also, you'll probably have to bin the clothes you wear on the day too.
Thanks for this - right now the only concern I've got is rounding off or snapping the allen bolts, but given they're allen bolts, I'm not expecting anything too strenuous. I've got a ball-ended 6mm from my bike toolbox, and I've also got normal ones that can go on my 3/8" ratchet with three different length extensions, so I should get enough leverage. Gives me a chance to use the gasket I've had in my parts box for the past couple of years too.

I don't need the car for a few days, so will probably put it in a bin bag with Mr Muscle sprayed liberally in there and just give it a few rinses then fill it with oven cleaner again until it looks clean. Maybe a long-handled bottle brush or something too.

With any luck, it'll improve emissions at any stretch, but it'll be nice just to have an engine that's breathing the way it should be. If this doesn't fix it I'm not really sure what next, but at least it'll be clean.
 
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