All Things Mk5 > Mk5 General Area
disappointing performance continued....UPDATED after a day at MRC Tuning
john_o:
unlikely to be the pump imho
more like some other factor is causing the ECU to request more fuel
maybe the o2 sensor has died?
jonnyc:
--- Quote from: duncan on March 31, 2009, 07:22:32 pm ---well its been a long day and the saga continues....(start of my problems - http://www.mk5golfgti.co.uk/forum/index.php?topic=3310.0)
i was very fortunate to have someone down there from MRC Tuning who had a ED30 running at 395bhp. he offered to give me one of his maps if it was running full power once he put it on.
--- End quote ---
Big turbo I presume?? 395hp is a pretty a 'optimistic' claim for a K04 car..
QD MBE:
What did he say about the MAF? May be worth plugging another one in, just to test. I think a sensor is fooling the ECU into thinking it needs to fuel. Is the Air filter ok? Bear in mind where the car was imported from, that sand gets everywhere...........
If i knew which sensor.......................
This bit does seems strange, and does discount the MAF. But I am not convinced.
--- Quote from: duncan on March 31, 2009, 07:22:32 pm ---
firstly he flashed the ECU back to standard which came up at 195bhp slightly under power but pretty close to what stock should be
--- End quote ---
May be worth taking a look at the MAF.
duncan:
--- Quote from: jonnyc on March 31, 2009, 08:52:13 pm ---
--- Quote from: duncan on March 31, 2009, 07:22:32 pm ---well its been a long day and the saga continues....(start of my problems - http://www.mk5golfgti.co.uk/forum/index.php?topic=3310.0)
i was very fortunate to have someone down there from MRC Tuning who had a ED30 running at 395bhp. he offered to give me one of his maps if it was running full power once he put it on.
--- End quote ---
Big turbo I presume?? 395hp is a pretty a 'optimistic' claim for a K04 car..
--- End quote ---
yep, i saw the car on the rollers and the print out - and that road is deemed to be pretty pessimistic in its results
WhiteGTI:
--- Quote from: stokeballoon on March 31, 2009, 08:57:18 pm ---What did he say about the MAF? May be worth plugging another one in, just to test. I think a sensor is fooling the ECU into thinking it needs to fuel. Is the Air filter ok? Bear in mind where the car was imported from, that sand gets everywhere...........
--- End quote ---
I think theres been a mixup along the way with his documented engine code...because cars are LHD in the UAE, therefore meaning that his car can't have come from there :smiley:
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