All Things Mk5 > How to Guides / Troubleshooting
2.0 TDI 4motion intermittent power issue
kevster996:
Hi all, Im hoping someone may have some advice on an intermittent power issue im having. When I accelerate up through the gears I often get power coming through but not smoothly. Then I get up to speed say 70mph in 6th and the power is not coming through at a constant rate - it seems to stutter slightly as if holding back - it can do this on and off over a few seconds and then calm down - I think mainly during the warmup period, first 15 mins of driving.
The car is new to me so still getting used to it. Its on 108k and could do with a cambelt change, its only done about 10k since last one but 4 years old. Its also had a remap before I bought it and has an old K&N cone filter on. Not sure what other engine mods its had. The issue doesnt seem excessive but worrying, no dash lights etc.
I need to get it on a code reader but Im wondering if it sounds like a turbo issue, crank sensor or maybe fuel pump?
Any advice appreciated! Enjoying the car apart from this and lots of small jobs already done...
muff1991:
Hi, try disconnecting the battery for half an hour to an hour to reboot the ECU. sometimes they need a reboot just like a PC / Phone.
if no change, get it plugged in and scanned for any underlying faults.
kevster996:
--- Quote from: muff1991 on April 25, 2019, 09:00:34 am ---Hi, try disconnecting the battery for half an hour to an hour to reboot the ECU. sometimes they need a reboot just like a PC / Phone.
if no change, get it plugged in and scanned for any underlying faults.
--- End quote ---
Thx for the tip - I did disconnect when I swapped out steering wheel but prob for less time than that. I remember leaving my boxster disconnected overnight once and it messed up the ecu completely - barely had enough power to get up driveway and ended up with £1000 bill for new MAF etc! Im guessing the golf is less sophisticated so its fine to do this... :happy2:
muff1991:
--- Quote from: kevster996 on April 26, 2019, 12:59:13 pm ---
--- Quote from: muff1991 on April 25, 2019, 09:00:34 am ---Hi, try disconnecting the battery for half an hour to an hour to reboot the ECU. sometimes they need a reboot just like a PC / Phone.
if no change, get it plugged in and scanned for any underlying faults.
--- End quote ---
Thx for the tip - I did disconnect when I swapped out steering wheel but prob for less time than that. I remember leaving my boxster disconnected overnight once and it messed up the ecu completely - barely had enough power to get up driveway and ended up with £1000 bill for new MAF etc! Im guessing the golf is less sophisticated so its fine to do this... :happy2:
--- End quote ---
I have had mine and many, many other vw’s disconnected, you’re more than safe to leave disconnected
Sent from my iPhone using Tapatalk
kevster996:
hummmm - did the steering wheel control module update today and left disconnected for over an hour - still the same prob. I need VCDS on it as prob need to programme the new steering wheel and control module (CH model) and also switch on the cruise control now the stalk is fitted...
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