All Things Mk5 > Members Rides
LC5F's Graphite Blue GTI - Pilgrimage to Caffeine & Machine
GVK:
Great update! :congrats:
LC5F:
Thanks @GVK
@Pudding
Went for a run this evening to capture 032 and read 033 is a good health check too - unsure how to interpret the numbers though!
Unsure if its a good test period - problem is I'm in the city and tricky to open it up to give a more varied use - Any way this is after start up:
And after a longer run around the block it reported:
pudding:
So far so good :happy2: You will definitely need a lot more miles on it to get a better picture, but those numbers basically just mean fuelling tweaks the ECU has to make to get the actual and requested lambda numbers to match. The bigger the numbers, the worse the intake is as it generally points to the MAF scaling being completely wrong, which is a common problem with aftermarket kits.
So long as neither exceed 5%, all is good :happy2:
LC5F:
Golf is in its MOT window so need to keep everything sweet - the ABS error seems to have calmed itself down and has not flashed up for a week or so - hopefully I only have the blown bulb warning to worry about - that pops up randomly with the Mk7 LED number plate lights.
To complete the overhaul, I still have Passat alloy hubs and new bearings to fit, bought new ABS sensors to fit with the hubs, if the ABS warning re-appears I will swap out the sensor - hubs can wait until after MOT, just incase I cut/nick a boot on a ball joint or track rod end.
Sourced an INA drive belt tensioner, like the timing chain tensioner it has the VAG PN ground off:
Found a temporary cable tie mod to keep the drive belt in place while removing the tensioner... all to avoid jacking up, removing the wheel and dropping the undertray... worked great until I dropped the bottom most bolt while pulling the tensioner out. out came the jack, wheel off, but had success with telescopic magnet to fish the bolt out:
New tensioner has really quietened down the engine a lot, the pulley on the old tensioner had only a very small amount of play, but this creating a fretting noise and I could see the arm moving around - making a lot of noise
I have now had the Mk5 for nearly 2 years, decided to treat it to a new cabin filter, the old filter was replaced not long after purchase, it was full of tree debris so due for change:
I didn't realise that hidden under cardboard in the bottom of the crate my head came back in were my old valves, they are a bit more bent than they were after belt slip - valves were jammed open with springs compressed - so to get the collets out the valve had to be hammered over to allow the spring to be compressed:
Seemed I was very much due a de-carbon - at least that is a small win!:
LC5F:
MOT booked... thought everything had calmed down, but there was nothing at my conveniently close garage till 16th of October! - used to be booking within a week.
Been peering into how many writes the ECU on my engine and DSG box have with VCDS, an unmolested ECU should be zero:
So both have 1 programming attempt/success - I can only assume my Golf is remapped with a generic map
Always suspected the gearbox had been tweaked, it's really good shifting to suit throttle/demand (just how Revo describe their map), in comparison the wifes C7 A6 is also Audi DSG and its very different, slow changes and holding on to gears when it shouldn't.
But the engine power has always just been OK - it feels like standard power, on boost power is OK, but gets delivered in a big lump...could just be the Mk5 being a lot smoother/quieter to previous turbo cars.
Got me thinking it may be a Revo map, reading up the map get reset to standard after battery removal, seemed to make sense... Plus the Golf has always been a Scottish car, the most widespread tuner up here North of the wall is Revo.
Contacted them and they were kind to check...sadly they replied with a no - so I have a mystery remap
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