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8 Posts
I had been getting the 17665 positive charge deviation error on VAGCOM on my wifes 04 beetle tdi thats done 76k. It only seems to do it once warm (after about 10-20 mins driving) and when accelerating up a hill, normally when in 5th up a hill.
Cleaned out the turbo vanes using one of the spray on (whilst on car) kits and alot of mess came out. Didnt fix the error code.
Tested the MAF on VAGCOM and it seems ok and the engine revs all the way to 5100 (which I am told it wouldnt with a duff MAF)
Changes some of the vac hoses, didnt fix the codes.
I noticed that when turning off the engine, the N75 valve was making 3-4 click type noises (I only noticed this recently), so thought it may be the valve so brought a new one, but no difference.
When under the car, the actuator seems to move by hand (although takes a lot of pressure). I have ordered a minivac so see if I can see if this is working and holding vacuum.
Any ideas? Is it normal for the N75 to click (its almost like a short sucking sound) when turning off the engine as I dont remember it doing this when we got the car a couple of years ago, but it was doing it before the problems started.
I'm trying to do as much as possible myself before taking to the dealers (as last time they were not much help). Or, anyone recommend anyone around Peterborough area.
Many thanks
Cleaned out the turbo vanes using one of the spray on (whilst on car) kits and alot of mess came out. Didnt fix the error code.
Tested the MAF on VAGCOM and it seems ok and the engine revs all the way to 5100 (which I am told it wouldnt with a duff MAF)
Changes some of the vac hoses, didnt fix the codes.
I noticed that when turning off the engine, the N75 valve was making 3-4 click type noises (I only noticed this recently), so thought it may be the valve so brought a new one, but no difference.
When under the car, the actuator seems to move by hand (although takes a lot of pressure). I have ordered a minivac so see if I can see if this is working and holding vacuum.
Any ideas? Is it normal for the N75 to click (its almost like a short sucking sound) when turning off the engine as I dont remember it doing this when we got the car a couple of years ago, but it was doing it before the problems started.
I'm trying to do as much as possible myself before taking to the dealers (as last time they were not much help). Or, anyone recommend anyone around Peterborough area.
Many thanks