All Things Mk5 > How to Guides / Troubleshooting

Stage 2 R-Tech Fuel cuts/limp mode?

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AJP:

--- Quote from: r5gtt on June 26, 2016, 08:40:51 pm ---You cheap sKate AJP  :slap: months on new and you still haven't got yourself a vagcom  :doh:
Also how can you go stage two without an uprated hpfp   :thinking:
There's a loba in the sale section

Make KierenM an offer

http://www.mk5golfgti.co.uk/forum/index.php/topic,107634.msg1042573.html#msg1042573

--- End quote ---
An uprated pump isn't needed for a Stage 2 map. However, Stage 2+ does require one. I could understand getting fuel cuts running a 2+ map with a standard pump, but that's not the case here, I'm on a Stage 2 map with Stage 2 hardware.

I want to get an idea of how common it is to get fuel cuts at Stage 2. And if it's not at all common, would that point to it being a different issue.

r5gtt:
Maybe you need to check your injectors as I had deka 630 on the TT  :P
I know the tfsi is a funny fecker when modding as I'll probably run into the same or similar issues if I ever get to where you are. I'm a little concerned as to why people are selling off there car mods so soon after fitting it all in and mapping the car or is there something people aren't telling us but that's another story :thinking:

Also I've noticed stage two cars have a loba fitted frim all the reading I've done.

What plugs are you running?.

AJP:
I think it's just a case of tolerances being tighter the further down the road you get with tuning. And like I said earlier, there will always be a new weak link even when you eliminate them along the way.

I wouldn't get put off the idea of going Stage 2 and beyond. There's plenty of knowledge on here as well as the specialists like R-Tech to make things easy. The TFSI isn't troublesome.

I just wasn't expecting full on limp mode when in theory the map is calibrated specifically for my hardware.

Anyway, it's just a guessing game until I get some logs done!

AJP:
Plugs are Bosch oem, fitted at Statller with the major service a few weeks ago.

There may be people with Stage 2+ hardware (ie a Loba pump on top of the usual Stage 2 bits) and a Stage 2 map. I think different tuners may classify their map stages differently too. So one tuner's Stage 2 map might make the same fuel requests as another tuner's Stage 2+. With R-Tech at least, the '+' specifically denotes the requirement of an uprated pump.

Wash:
Mine used to do the same thing, mapped to 330bhp by Rtech. Going WOT especially in higher gears the car would jolt pretty violently as it experienced fuel cuts and then would go into limp mode. Replaced HPFP with an autotech uprated one, new fuel filter etc but logged it and showed my LPFP was failing and couldn't keep up.

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