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Volkswagen Jetta Starting and Stalling Issues

122 messages,  Last post on Aug 01, 2009 at 4:27 PM

You are in the Volkswagen Jetta Forum. Your Hosts are pat & karens

What is this discussion about? Volkswagen Jetta, Audio, Electrical, Sedan


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#53 of 122
Re: Rough Idle and stalls [glevien] by jonyjetta
Jan 19, 2008 (8:11 pm)
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Replying to: glevien (Dec 16, 2007 12:15 am)

Check the following...Vacume lines, warm up valve, frequency valve, o-ring injectors and the actual injector,fuse box pins and the fuses, loose fuel relay, ground wire from battery, all wires to and from the coil. test the coil for function( if you have a strong steady flashing pulse on a timing gun, its good). Be sure you check the entire Digifant Electrical system from the Halls sender on the distributor to the TCI module on the fire wall of the car. It sits on top of the Brain( That would be your ECCS unit......short for electronic computer command system!
#54 of 122
Fuel pumps by jonyjetta
Jan 19, 2008 (8:27 pm)
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Replying to: khawkins (Nov 20, 2007 5:49 pm)

BE absolutely sure you prime the main chassis pump by reconnecting the harness to the pump and turning the key to the on position for 1 to 2 min. Remember you have to disconnect the harness from the main pump to relieve pressure before removing it . By priming the pump, you fill it completely before you tell it to pump gas with ignition! Every thing works with 60-80 psi or nothing works and the car won't run. This is also a system that has to have a tight vacume across all lines....no leaks or pinched hoses, do not disconnet the tach for any reason as some bone headed mechanics I've know , did that and disabled several functions that are vital for proper engine performance! These cars will throw 1 or many problems at you all at once! Keep a cool head and go step by step....then if all else fails, burn it , blow it up, pay some one to make it disappear,trade in won't work...dealers don't take VW's in trade...because they know these cars, and they don't want your problem!
#55 of 122
Re: Fuel pumps [jonyjetta] by jeffyscott
Jan 20, 2008 (4:43 am)
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Replying to: jonyjetta (Jan 19, 2008 8:27 pm)

dealers don't take VW's in trade
 
Give me a break with the VW hate. Somehow dealers do have used VWs for sale (I wonder where they get them) and generally are asking higher prices for them than a lot of other used cars.
#56 of 122
having some issues!!! by tony117
Jan 22, 2008 (3:28 pm)
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K-so i have a 99 jetta wolfsburg edition and i love my car...i just turned 220K on the odometer and i'm starting to have some issues and i'm not sure where to begin troubleshooting. all the shops look at me like i'm retarded when i try to tell them whats wrong so maybe someone in here can tell me whats up. first of all, i am having the same issues, almost exactly as diyer (posted jan 6) as far as starting issues and driving thru puddles. it just dies when water splashes up in the motor, and just yesterday it started getting difficult to start. it will crank, but the motor wont catch. once it finally does, i have no issues till it sits for a few hours.
 
the second issue is an engine stutter on hard acclerations. i don't know if its fuel injectors or sensors or air intake or what. i know for a fact my cat conv needs replaced cause it has fallen apart, but i'm not sure if that would cause those probs.
 
anyone have any ideas?
#57 of 122
jetta wont start....absolutely nothing! by moore0124
Jan 22, 2008 (10:02 pm)
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I have had my 98 jetta gls for four years now. the entire time i have been dealing with it randomly not starting. i cant figure out if it is the heat or cold. i have been in the nw and texas. Sometimes i will hear a click sometimes not. it usually starts after twenty minutes or so but other times it wont start for days. i have replaced the ignition switch but that did not seem to help. I have tried jumping it and that doesnt work. i have tried hammering on the starter and that didnt work. Please! any suggestions would be wonderful!
#58 of 122
2007 jetta won't start by tbirchett
May 28, 2008 (7:52 pm)
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i love my 2007 jetta and a few times recently it will just not start. The battery is good. today i came home from work was going to leave again to go to the dog park and it would not start. i have lights, radio, air conditioning will come on but it will not start. Tomorrow if it will not start it will be towed to the dealership. However,
i have read similar problems in this forum. Now I have to say that after having
the battery check I did mention to my mechanic friend that the key was really hot.
So I am thinking this is a starter problem. Anybody have an idea???
#59 of 122
Re: 2007 jetta won't start [tbirchett] by moore0124
May 28, 2008 (8:29 pm)
Reply

Replying to: tbirchett (May 28, 2008 7:52 pm)

I havent felt the key when i pull it out but i will take not next time it happens. However I have discovered that when it wont start...if i hold the key all the way in the 'on' position then open and slam my door really hard it will start. The car oriented people in my family say its a bad starter that is faulty in nature. Hope it works for ya
#60 of 122
Re: 2007 jetta won't start [moore0124] by packer3
May 29, 2008 (4:09 am)
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Replying to: moore0124 (May 28, 2008 8:29 pm)

You proably have a short some where in the harness
#61 of 122
Re: 2007 jetta won't start [tbirchett] by bpeebles
May 29, 2008 (11:33 am)
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Replying to: tbirchett (May 28, 2008 7:52 pm)

The key was really hot ????? How can that be a starter problem?
#62 of 122
Jetta won't start in hot sun by jettatrg
Oct 20, 2008 (9:28 am)
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Have a 97 Jetta GLS that starts and runs fine in the mornings and nights when its cool, but if left in the sun past mid morning it won't start. Any idea of the probable cause for this?

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