Has anyone seen a solution to this one? After filling the car with gas it just doesn't want to start. I have to end up depressing to gas pedal to the floor and keep cranking then it finally starts (but rough) and then smooths out. After that it starts fine all the time till I have to fill up again. Any suggestioins really appreciated.
Just to add more data to the problem I'm trying to solve. If you leave the car running while refueling, the engine starts to run rough. It's almost seems that fuel in getting to the intake without going through the injectors. Maybe...back through the vapor recovery system... still baffled a bit.
Haven't yet, but seems to me if it was an injector problem it would be hard to start all the time, not just after refueling. As I said once I get it started after refueling it starts fine all other times. It only does this after refueling.
i'm wondering if it could possibly be the purge valve?
I have been reading up on the fuel storage, supply, EVAP, and LDP system in the Bentley Manual. Doesn't look like the VR6 doesn't have a purge valve system. The Leak Detection Pump (LDP) may be what you are referring to. Still not finding anything that would only affect starting after refueling. This one is giving me fits.....
Update: Did another fillup and noticed this after removing the nozzle. You can hear a gurgling sound from the gas tank like fuel is still moving somewhere after refueling has stopped. It lasts for 3-5 minutes. Could it be that some of the fuel is flooding into the vapor recovery system while refueling instead of going into the tank? Not sure but almost sounds as though the fuel is running back into the tank from somewhere.
It still doesn't want to start but really tries hard to the point the engine is spinning fast enough as there is no drag on the starter motor at all (if that make sense). Once it gets to that point, a 1/4 push on the gas pedal make it go on and finally start but a tad rough for a few seconds. After that first time after refueling, no starting problems at all. Doesn't make any common sense does it!
Im totally having the same problem!!! My 99.5 Jetta will not start after I pump gas. It's so embarrassing cause i'll be sitting in my car after a fill up trying to crank it over while pumping the gas pedal. Itll take about 5 or 6 attempts to get it to start. And sometimes i have to keep the gas pedal down in order to keep it from stalling on me after I start it. I'm having the throttle body replaced today. I was told by the dealership that I have 5 errors coming up on the diagnosis report that all point towards that part. Hopefully this will fix it!!!
Did you ever get this fixed? I just bought a 99.5 2.0 golf for my wife and it does the exact same thing. When I scanned the ECU the only error code was a P0455 which was a Large leak in the evaporative emissions system. Thanks,
Having the same problem w/out the gurgling of gas at the tank, i have also noticed i have the problem after my car sits at work in the hot parking lot all day. When the temp outside is cool the problem goes away. Car starts perfectly in the morning. No CEL or pendings.
Finally got the problem fixed! Turns out it was the (N80) Purge Valve. The old one failed in the open position and as a result allowed fuel fumes from the carbon canister to flow continusly into the intake manifold. During refueling, the amount of fuel fumes would actually flood the engine. I purchased an new Bosch purge valve from Euro Parts Direct for $45. Great price, dealer wanted $138. Installed the new valve, went and refueled the car, and it started right up! So glad to have this one filed away!
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99 Jetta VR6 Hard to Start
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