1.9 TDI 130 PD power loss

[technics100]

I got my car serviced last Tuesday (102k) so had the oil, oil filter, air filter and fuel filter changed. The car was going well after the service until yesterday. I was driving from the house and noticed that the car seemed to have no boost whatsoever, and struggled to rev out in each gear. When stopped at a set of traffic lights I turned the car off and on and it seemed fine then just lost power again. It was the same story this morning on the way to work. I gave it full throttle in 3rd and it went fine, then it misfired and lost power. Does anyone have any ideas? I should be able to get it plugged into Vag-com this evening, so hopefully that will shed some light on the issue.

 

[Nickynibbles]

Could be the turbo's actuator arm sticking, MAF sensor, blocked fuel filter, fuel pump............

A few things basically is what im saying , some wont show up on vagcom though just to be annoying! Was the service an indie garage or stealer? Could be worthwhile just giving them a call & explaining since the service its not revving so freely & see if they'll have a look for free?

 

[Tonyc]

Hi,

Not sure if the set up is the same on pre PD engines but had exactly the same issues with an old passat 110 I had. Just like you say switching off and on the ignition sorted out the problem for a short while.

I my case it ended up being a duff N75 valve.

Regards

TonyC

 

[technics100]

OK, just scanned the car with vag-com so here is the result;

VAG-COM Version: Release 311.2-N

Control Module Part Number: 038 906 019 FP
Component and/or Version: 1,9l R4 EDC 0000SG 1467
Software Coding: 00002
Work Shop Code: WSC 63351
Additional Info: WAUZZZ8E52A141738 AUZ6Z0A0194923
1 Fault Found:
17552 - Mass Air Flow Sensor (G70): Open or Short to Ground
P1144 - 35-00 - -

I cleared the code and couldn't get it to appear again, I gave the MAF wires a wiggle, so not sure if the garage that serviced had it disconnected to replace the air filter. took it on 6 mile run and gave it a hard time, still ok. Well at least if it happens again I know what I will be changing first.

 

[jase0851]

certain codes logged in the ecu can cause a performance reduction as a precautionary measure. it was probably an intermittent problem thats sorted itself out

 

[technics100]

the car was doing it again yesterday, so took the MAF out and cleaned it in Alcohol. But its still the same this morning. GSF have a new MAF for £65 so I will put one in over the weekend and hopefully that will be it sorted.

 

[ScottyP45]

is your k&n panel a dry one or oiled? I saw a lot of yank posts on MAF fouling due to oil contamination from "wet" filters.

 

[Marko]

One thing to check is the actual 4 pin connection on the MAF. I cleaned my maf with some special cleaner and then after cleaning the connector I added some silicon based lubricant to the female connector. I got it from Maplins. It helps prevent arching. I noticed black line on the connector. It seems to have been fine since.

 

[technics100]

I cleaned the connector last night, it was still losing power on and off. I got a new maf from gsf this morning abd that seems to fixed it.. £55 for new bosch one, not too bad..

 

[The Slug]

glad to hear you have sorted it out, MAF's are the most common problems