Golf dpf question
Discussion
I've started taking my 2007 golf 2.0tdi 170 into London for work, It's a 25 mile journey, 20 miles of which is in stop start London Traffic, taking around an hour. I generally take the car once or twice a week, the rest of the time it sits in the garage. My dpf light comes on, on average of every second trip into town. On normal runs, I rarely have this issue, I'm wondering if this is normal, or am I getting to the stage where I am looking at a big bill?
i covered 3000 miles prior to doing the London commute, and it came on once, with quite a bit of start stop traffic, it just seems to really dislike the London commute which is dead slow and stop for 2 hours per day! Couple of people have told me that it's perfectly normal for an early dpf to do this, just wanted a second opinion!
ColinMacC said:
i covered 3000 miles prior to doing the London commute, and it came on once, with quite a bit of start stop traffic, it just seems to really dislike the London commute which is dead slow and stop for 2 hours per day! Couple of people have told me that it's perfectly normal for an early dpf to do this, just wanted a second opinion!
not ideal as it needs heat and exhaust gas flow to regen , if you can ,give it a regular run at speed , otherwise if you get the warning light ,when its warmed up hold it at 3000 rpm for about 10/20 mins in neutral when you are parked this will get the exhaust hot and help it burn itself clean..
the other thing is the engine oil gets diluted with short runs and the dpf regen so check if it seems to be watery or the level is high get it changed!!!
the main thing is if its doesn't get enough time running hot enough to regen it will block up and need removing for clesning or replacement .
Edited by powerstroke on Friday 24th March 21:01
ColinMacC said:
Yeah, I generally skip my Junction on the A3 and take a blast down the M25 to clear it out when it comes on. I just wanted to know if it was a sign that the dpf was near the end of it's life, or if it was normal for older units to clog up in stop start traffic
Not normal, thats for sure! Every DPF goes wrong in the end. Our BMW lasted 150t miles. Stupidly expensive to change or delete.My wife had the exact same car a couple of years ago and the DPF light came on a few times after it had been sat in the dealership for a month due to an intermittent cold starting issue (not related).
As noted above, I put the car into manual and took it for a couple of junctions down the M1 at high revs - this forces the DPF to go through the regeneration process and 'clears out' the built up soot etc.
I did this twice and the DPF light didn't come on again. The OP seems to be spending most of their time sat in traffic so rather than this being a big bill, it just sounds as though the car needs a good blast to blow away the cobwebs.
As noted above, I put the car into manual and took it for a couple of junctions down the M1 at high revs - this forces the DPF to go through the regeneration process and 'clears out' the built up soot etc.
I did this twice and the DPF light didn't come on again. The OP seems to be spending most of their time sat in traffic so rather than this being a big bill, it just sounds as though the car needs a good blast to blow away the cobwebs.
My Passat has the later CR engine so reasonably mechanically similar to the Golf. DPF light has only come on once during my ownership and that was due to the filter getting clogged as one of the temp sensors was duff. After repair it did regen but took a good 30 mile run to do so. Only other hints to when its doing a regen now is the fuel economy suffers by a good 10mpg and the oil temp runs a fair bit hotter ( I can monitor engine oil temp through the kufatec phone kit I have)
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