Occassionally need to press gas pedal to start

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Occassionally need to press gas pedal to start - what gives?

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Volkswagen Forum >> VW MODELS >> Volkswagen Passat >> Occassionally need to press gas pedal to start - what gives?

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Occassionally need to press gas pedal to start - what g... - 3/20/2008 2:24:19 PM

BGart17

Posts: 2
Joined: 3/20/2008
Status: offline

Anyone know what could cause this? Twice in the past month when trying to start my 2003 Passat (V6), the car wouldn't turn over. First time the battery died and I thought it was the battery but when jumping it, the car still wouldn't start unless I pressed on gas pedal and the car seemed to be sputtering prior to turning over, almost as if it was spitting out build up in the gas. The second time it wouldn't start I just immediately started pumping the gas and the car started. Each time, once the car started it drove perfectly as if nothing ever happened. Anyone have any ideas on this?

Post #: 1

RE: Occassionally need to press gas pedal to start - wh... - 3/21/2008 7:42:30 AM

bagel

Posts: 1027
Joined: 8/16/2005
Status: offline

Prolly just some dirt build-up on the injectors. Mine does it every once in awhile, I put some fuel injector cleaner in and it's fine. When was the last time the air filter was changed?

_____________________________

'00 Jetta VR6 GLS 12V 2.8L
Magnaflow Exhaust
Custom Cold Air Intake
Eurosport Underdrive Pulley
GIAC Chip
Diamond Mesh Grill--Front
Smoked Euro Tail Lights
18" ADR Rims On Toyo Proxes
Pioneer Deck, 2400W Rockford AMP, 2-12" Alpine Type

(in reply to BGart17)

Post #: 2

RE: Occassionally need to press gas pedal to start - wh... - 3/21/2008 5:31:17 PM

BGart17

Posts: 2
Joined: 3/20/2008
Status: offline

don't know about the air filter. i bought it used two years ago and haven't changed it since. i probably should have it changed.

(in reply to BGart17)

Post #: 3

RE: Occassionally need to press gas pedal to start - wh... - 3/21/2008 10:05:40 PM

Jrailer

Posts: 229
Joined: 12/8/2007
Status: online

low battery voltage can make the injectors hang open flooding the cylinders.
or you could have worn out spark plugs. to large of gap

(in reply to BGart17)

Post #: 4

RE: Occassionally need to press gas pedal to start - wh... - 3/21/2008 10:43:06 PM

bagel

Posts: 1027
Joined: 8/16/2005
Status: offline

Most spark plugs you buy will say right on the box something like gapless, like already pre-gapped. I have a gap checker from auto zone I use, plus the box and a manual will tell you what the proper gap is. Voltage is another cause, but seriously change your air filter!! lol

_____________________________

'00 Jetta VR6 GLS 12V 2.8L
Magnaflow Exhaust
Custom Cold Air Intake
Eurosport Underdrive Pulley
GIAC Chip
Diamond Mesh Grill--Front
Smoked Euro Tail Lights
18" ADR Rims On Toyo Proxes
Pioneer Deck, 2400W Rockford AMP, 2-12" Alpine Type

(in reply to Jrailer)

Post #: 5

RE: Occassionally need to press gas pedal to start - wh... - 3/22/2008 9:02:50 AM

Jrailer

Posts: 229
Joined: 12/8/2007
Status: online

most plugs are pregapped
just get the plugs the car calls for and you wont have a problem with gap
NGK or BOSCH

(in reply to bagel)

Post #: 6

RE: Occassionally need to press gas pedal to start - wh... - 3/22/2008 12:21:51 PM

bagel

Posts: 1027
Joined: 8/16/2005
Status: offline

In my Jetta NGK from the dealership are the best. I used Bosch and after about a month I chucked them and got the NGK!

_____________________________

'00 Jetta VR6 GLS 12V 2.8L
Magnaflow Exhaust
Custom Cold Air Intake
Eurosport Underdrive Pulley
GIAC Chip
Diamond Mesh Grill--Front
Smoked Euro Tail Lights
18" ADR Rims On Toyo Proxes
Pioneer Deck, 2400W Rockford AMP, 2-12" Alpine Type

(in reply to Jrailer)

Post #: 7