RE: car won't idle, runs rough
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RE: car won't idle, runs rough - 2/21/2008 5:36:34 PM
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bagel
Posts: 1027
Joined: 8/16/2005
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Yea you can spray it to clean it. I was thinking how's your cam position sensor? That will also bog down your car, and make your sputter and all that.
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'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
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RE: car won't idle, runs rough - 2/21/2008 6:15:13 PM
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jasmatshi
Posts: 11
Joined: 2/20/2008
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How do I check it/know if its bad.. The cam position sensor that is.
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RE: car won't idle, runs rough - 2/21/2008 6:36:09 PM
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bagel
Posts: 1027
Joined: 8/16/2005
Status: offline
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Usually it would have weak spark. My friend had one go bad and his car wouldn't even stay running. The CPS works inconjunction with the computer to fire #1 cylinder spark.
_____________________________
'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
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RE: car won't idle, runs rough - 2/21/2008 6:51:10 PM
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jasmatshi
Posts: 11
Joined: 2/20/2008
Status: offline
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I be excited, i'm sooooo ready to drive this car. I didn't get to clean the ISV today because it was cold and I was like.. not worth freezing my fingers off. LoL.. Guess I'll do it this weekend. Freezing rain tomorrow :(
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RE: car won't idle, runs rough - 2/21/2008 6:56:04 PM
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bagel
Posts: 1027
Joined: 8/16/2005
Status: offline
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Man that sux! Weather has weird effects on these cars!!!
_____________________________
'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
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RE: car won't idle, runs rough - 2/21/2008 7:28:39 PM
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jasmatshi
Posts: 11
Joined: 2/20/2008
Status: offline
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Nah, it didn't do anything to the car i just wasn't interested in working on it while being cold. "I have no garage".
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RE: car won't idle, runs rough - 2/24/2008 12:21:56 PM
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jasmatshi
Posts: 11
Joined: 2/20/2008
Status: offline
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New symptom! LoL. Ok, cleaned IAC and boy did it change the idle. It idled beautifully. But with good news must come bad. I took it on a road test because we all know that you can't truely test something in your driveway :-p
Anyway, went on a short road test because I sure as hell don't trust it yet.
I noticed that when I was slowing down that the car would stall.. First time it did it I didn't expect it, next time it did it I tried to coax it out of stalling by pressing the gas, didn't work. This is stalling when I depress the clutch to turn ( I was turning both times. )
What now?
Also, after cleaning the IAC I noticed that it really idled too high, is there a way to adjust the idle, if so where is it located? I'm idling at around 1300 rpm even after the car has fully warmed up.
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RE: car won't idle, runs rough - 2/24/2008 1:13:35 PM
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bagel
Posts: 1027
Joined: 8/16/2005
Status: offline
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Man, one down and here comes another! Yea that idle is def high, I'm not entirely sure where in that year it would be, but I assume it would be one the throttle body, My guess. Do you know if it's miss firing at all? That's so weird that it stalls when you turn. I had a car do that and there was alot of junk in the tank that would clog the fuel pump, only when I turned left though!!!..lol..sucked. Anyways, I'm gonna do some research and find out for sure for ya.
_____________________________
'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
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RE: car won't idle, runs rough - 2/24/2008 2:08:13 PM
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jasmatshi
Posts: 11
Joined: 2/20/2008
Status: offline
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Thanks, its weird, and its not actually stalling in mid turn its just when i'm slowing down getting ready for a turn, generally after i downshift from 4th to 3rd and let the clutch out is when it stalls. and it sometimes stalls while the cluth is still depressed, either way i can give it throttle but it still stalls out. I think imma still check the fuel pressure as well because the pump was bought used. But I just don't get it.. haha.. but yea I need to get that idle lowered. I can see it idling kind of high warming up but it was at full operating temp and still idling high.
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