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Discussion Starter #1
I need help with a Stock 99.5 jetta, a few weeks ago it would just stall out, like its starving for fuel. I have replace fuel filter, checked pickup tube in tank, replaced a vacuum hoses, and recently replace turbo and actuator, cleaned intake/antishudder valve, n75, had head reworked replaced TB. it ran fine for about a week than started the stalling problem. the pump timming is within specs. I get 3 codes EGR intermittent , Glow plug circuit intermittent, and intake pressure intermittent. the first 2 i don't thank are critical, the last one i'm not sure but the vehicle still goes into limp mode occasionally. Like I said I've replaced the vacuum hoses, and the n75. When and when I installed the actuator I set the distance on the adjuster the same as the old one.
one note the inj qty is running about 9, but when motor is at 2000+ rpm the inj qty actual maxs out at 15 but the requested is 26. is this a problem with the inj pump? one other thing the car runs better when its cold after it comes up to temp the power feels weaker. Is it normal for the IP to die slowly? Not sure about the injectors affecting inj qty, but I would think a problem with injectors would be consistent. Clock is at 290k
 

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Try hammer mod to adjust the injection pump quantity adjuster, see the FAQ on how to do this. The pump may be fine. My guess is that after the car is warmed up the QA thins out the fuel. Some diesel purge couldn't hurt to clean out the system.

Also, when you installed the actuator, did you verify that the turbo was moving the vanes freely? Used or new OEM turbo from good source or aftermarket part of dubious quality?
 

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Discussion Starter #3
Update, Jetta will bearly move

After I towed the car home I had to find a power inverter to run my laptop so I could do some logging with vcds.

I started down the road and it will not accelerate at all, 15 mph max unless down hill, I turned around and headed back home and it just got to where it wouldn't do 5 mph. it then died I had to drag it the rest of the way home. It will start and idle but doesn't have any power.

Any ideals what to look for?
 

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If you think it's not getting fuel, it's not getting fuel. 15 mph is ridiculous! That sounds worse than the fuel injection quantity being low. Did the problems start when the car started to stall out? Maybe you got a bad tank of fuel and the fuel filter is clogged again or there's something stuck inside the fuel line. Can you try to run the injection pump directly from a can of clean fuel, bypassing the fuel tank and fuel fitler? If you stick some hoses into a jug with fuel in it, that should do it and rule out any problem upstream.
 
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