What did you do to your Mk5 today?

[JustCruisn]

Ha ha I got CEL tonight.
Looks like that spacer was not long enough. Might try a spark plug extender thingy too, or just put up with a silly light until I can afford to go see Gavin.

[h100vw]

I'll be here waiting

[NuffNuff]

i did the resonator delete and smoked up heaps on the first few high rpm pulls then stopping at the lights, probably wont smoke again now you've burnt everything out the downpipe and cat

[dubster99]

Yep dea.
I noticed some smoke coming out top of bonnet today while stopped at lights. I hope it was just grease and oil burning off the pipe. Will see how it goes on next drive.

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Have the same problem on my tdi jetta, also losing coolant so must be a leak somewhere

[JustCruisn]

I scanned to see what the CEL was about
Not quite the code I was expecting, i thought it would be Catalyst System; Bank 1: Efficiency Below Threshold

I wonder if the spacer on S2 has caused it to not detect any gas so the diff from S1 to S2 is out of range.
I cleared and will see how it goes. Will remove spacer if it keeps coming back.

This is what I got.
008598 - Oxygen (Lambda) Sensor B1 S1
P2196 - 004 - Signal too High (Rich) - MIL ON
Freeze Frame:
Fault Status: 11100100
Fault Priority: 0
Fault Frequency: 3
Reset counter: 255
Mileage: 98707 km
Time Indication: 0
Date: 2000.00.00
Time: 07:58:35
Freeze Frame:
RPM: 2935 /min
Load: 51.0 %
Speed: 55.0 km/h
Temperature: 81.0°C
Temperature: 27.0°C
Absolute Pres.: 1010.0 mbar
Voltage: 13.970 V

[vinnY]

could be a dirty/clogged up o2 sensor? worst case would be having to replace it after being damaged during install

[kdog]

yeah initially when i done the install it was smoking bad from the bonnet but after several minutes of driving it went away. it was weird took about a month before my CEL light came on, but put a spacer in and its been another month or so no CEL

[JustCruisn]

Hit 100,000km today.

Thermostat is playing up again, wont quite stay at 90.

I removed the 02 spacer last weekend and no code until today, now I have the Cat Efficiency code. So I know that with the spacer the difference from 1st to 2nd sensor is too much and makes it think the 1st sensor is bad or "stuck rich", no spacer = bad cat reading.
Maybe a shorter spacer is needed to find the sweet spot ? or a tune.
I found that if I ignore the CEL it goes away

[vinnY]

fixed mine with a stage 2 tune that being said, the guys at bluefin could code it out for me with a stage1 tune as an option
if you're chipped, could get in touch with the tuner and see what they say?

[vk]

Installed some GTC wheels thanks to Euro Division