[Randy I]

I'm trying to locate the part number for the fuel metering valve N 290 pictured here http://www.myturbodiesel.com/forum/f7/hpfp-parts-identifier-4199/

I think I have a problem with it as I get a low fuel pressure code when the car is hot (not over heating) in stop and go traffic. Car was sluggish when it threw the code (limp mode?), next day freeway driving back to normal, hit 80 mph with no problem.

Anyone have a link to a parts schematic for the 2009 TDI? Any other suggestions?

Thanks Randy

 

[dweisel]

I'm trying to locate the part number for the fuel metering valve N 290 pictured here http://www.myturbodiesel.com/forum/f7/hpfp-parts-identifier-4199/

I think I have a problem with it as I get a low fuel pressure code when the car is hot (not over heating) in stop and go traffic. Car was sluggish when it threw the code (limp mode?), next day freeway driving back to normal, hit 80 mph with no problem.

Anyone have a link to a parts schematic for the 2009 TDI? Any other suggestions?

Thanks Randy

I don't know that you can buy parts separate for the hpfp. Your best bet would be to check with a Bosch Service Center. They may be able to help. Not sure your problem would be caused by the fuel metering valve. I would be apt to think it might be the fuel pressure valve at the end of the rail.

 

[Randy I]

Dweisel,

Thanks for the reply, any suggestions on isolating the possible source of the problem? I would hate to change parts that are still good. My VCDS will only indicate low pressure and the Bently book is pretty useless.

Thanks Randy

 

[Keithuk]

2009 jetta tdi Isn't it still under warranty?

Can't you do more running tests with VCDS?

HPFP's aren't a job for the average mechanic thats why there are diesel fuel injection specialists.

 

[Randy I]

Keith,
The car is out of warranty 66000 miles, I can pretty much do most of the work unless it involves having to pull the HPFP or dig into the internals, right now it appears to be a sensor related problem. I haven't had enough time to sit and play with the VCDS, any suggestions or short cuts to test each component or does it have that ability?
Thanks Randy

 

[dweisel]

Dweisel,

Thanks for the reply, any suggestions on isolating the possible source of the problem? I would hate to change parts that are still good. My VCDS will only indicate low pressure and the Bently book is pretty useless.

Thanks Randy

The reason I was going with the fuel pressure valve is there have been a couple that I know of that have gone bad. No reports of the fuel quantity regulator failing that I know of. I'll try and find some more info for you.