2000 VW Passat rpm drops cuts off when stops

Asked by Jul 13, 2016 at 08:55 AM about the 2000 Volkswagen Passat GLS V6

Question type: Maintenance & Repair

Please help! have a 2000 VW Passat about 110k miles on it
and my check engine light is on. I had it ran and the codes
that popped up were P0441 Evap control system incorrect
purge flow P0134 H02S (bank 1 sensor 1) circuit no activity
P0154 H02S (bank 2 sensor 1) circuit no activity For a few
months Everytime I would put gas in the car it would have
trouble starting, it would start up the rpm would drop under
5 and cut off the only way it would work is if I revved the
engine and threw it in gear then it would drive fine. Recently
it has been doing this every time I start the car and as soon
as I come to a stop whether it be in traffic or at a stop sign
it cuts off. I'm pretty sure it's an idle issue or a fuel issue
but after reading this thread i don't know and plus I don't
know much about cars and I want to takeit to a mechanic
but I don't want to get overcharged. Do these symptoms
sound familiar? Is it a fuel filter issue, or something to do
with the fuel? Also I live in Las Vegas and it's 115 degrees
outside is that a factor? Please help

1 Answer

13,345

The 02 sensor circuit has an issue. If you can change the upstream (sensor1) 02 sensors on both banks one and two, then scan it again. Leave the purge valve code until you do this. The 02 sensors do send a signal to the computer to HELP control the fuel mixture.

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