Help - poorly Vrs!

[curlymatt]

Hi guys, desperate for any help I can get with my 07 plate diesel Vrs estate that's currently off the road. All started a few months back when it started producing loads of white smoke on start up, until the temp got up after 2/3 min of driving. Noticed I was also losing coolant somewhere (no visible leaks). Then it started 'coughing' once you accelerated past 3000rpm in 3rd gear and above. Took it to local independent garage who did a swirl flap delete on it. This cured the problem of the 'cough' straight away and it drove like a dream for about a month. Still smoking on start up but I could live with that. Then driving home the coil light started flashing and car went into limp mode and wouldn't let revs go over 3000. Managed to drive it for a week ok with this intermittent fault, then one day coil light on, limp mode, EML light on and suddenly I'm driving a tractor down the A43! Friend has plugged it in and got the following fault codes: P0102, P0546 and P0234. I think the 2nd code relates to get sensor which I replaced a few months ago, and final code maybe due to a pipe off that has been reconnected. Any help or comments greatly appreciated as it too cold and miserable to walk everywhere!

Thanks, Matt

[mikey vrs]

Did you find the source of the "losing coolant" problem?

[DGW]

Are any of these threads of help?

http://wiki.ross-tech.com/wiki/index.php/16486/P0102/000258

http://wiki.ross-tech.com/wiki/index.php/16618/P0234/000564

http://www.honestjohn.co.uk/forum/post/index.htm?t=100997

http://www.vwaudiforum.co.uk/forum/archive/index.php/t-128732.html?s=b7c5633525dee85e6a236fc01d03ea0d

[curlymatt]

Did you find the source of the "losing coolant" problem?

[curlymatt]

Did you find the source of the "losing coolant" problem?

Hi mikey, haven't 100% got the location of the leak figured out, but was thinking maybe to do with ERG or EGT sensors as I think one or both may be water cooled? Any ideas on this one appreciated :-)

[curlymatt]

Are any of these threads of help?

http://wiki.ross-tech.com/wiki/index.php/16486/P0102/000258

http://wiki.ross-tech.com/wiki/index.php/16618/P0234/000564

http://www.honestjohn.co.uk/forum/post/index.htm?t=100997

http://www.vwaudiforum.co.uk/forum/archive/index.php/t-128732.html

Hi DGW,

Thanks for your help. Looking at the Ross tech pages, I think I sorted the one fault with loose hose, just new to get diagnostics done to see I fault is gone. As for EGT fault code, I'm calling my local skoda dealer tomorrow to confirm if same sensor as recently replaced. I think it is, and if so it hasn't lasted more than a few months! Am looking at getting a second hand MAF once I confirm part number. Once I've for these few points sorted, I'll update he link with if it's helped at all. Fingers crossed!! Thanks again for your post :-)

[curlymatt]

Right then, the saga continues! After getting a replacement MAF off eBay (2nd hand but off a reputable seller with warranty), I am still getting the following issues - 2 fault codes I can't clear are:

01350 - Sensor 1 for exhaust temperature, bank 1 (G235): short to plus P0546, short with power.

00258 - Mass airflow sensor (G70) signal too low P0102 short with ground - intermittent.

 

Result is the car still has coil light flashing, and EML light on constantly and has put itself is some sort of safe mode, so totally useless to drive! I also still have a lot of thick white smoke (steam?) when car is running, but no obvious leaks. Did a block test which was clear, so head seems ok. Also, only replaced EGT sensor about a year ago, so at a loss. Am thinking maybe electrical faults, rather than actually faulty parts??

 

Any help or advice greatly appreciated :-)