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Volkswagen Jetta Starting and Stalling Issues

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

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


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#33 of 122
Engine not starting!! by burton88
Dec 06, 2007 (3:24 pm)
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I've had my jetta for almost 2 months now, havent had any problems until about two weeks ago when a friend noticed i needed a new serpentine belt. Well I havent gotten that fixed yet( was supposed to this weekend) and MOnday my left front blinker went out( i dont know if that has anything to do with this) but the side ones still work. This afternoon I go to start my car and it started all sluggish, taking way longer than normal. It did that twice today and I go to get in my car a third time and put the clutch in, turn the key, starts to go again and clicks and stops. Now it wont start at all, but my radio and everything is still going so I know its not my battery. I'm not too fond of cars(typical female) so I have no idea what else it could be.
#34 of 122
Also... by burton88
Dec 06, 2007 (3:31 pm)
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Replying to: burton88 (Dec 06, 2007 3:24 pm)

For a while now I'll get in my car and it will tell me to stop that my engine coolant is empty...and its drained twice in about a month now...im not sure if that would have anything in common with this though lol
#35 of 122
Re: Engine not starting!! [burton88] by bpeebles
Dec 06, 2007 (6:41 pm)
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Replying to: burton88 (Dec 06, 2007 3:24 pm)

Lets see if we can help you make the connection here.....
 
1)The Serpentene belt drives the ALTERNATOR...
2)The alternator charges the BATTERY...
3)the battery starts the ENGINE...
 
Does that help you understand?
 
To fix.
 
1) Charge battery fully (not a quickie 15 minuite)
2) Replace serp. belt.
 
If you have to 2.0L engine, the serp. belt takes about 37 seconds to remove and another 48 seconds to put new one on.
 
To replace blinker bulb, it may take about 4 minutes.
#36 of 122
Re: Also... [burton88] by bpeebles
Dec 06, 2007 (6:45 pm)
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Replying to: burton88 (Dec 06, 2007 3:31 pm)

If your engine is losing antifreeze, you may have a serious issue.
 
First and formost, check the oil to make sure it is not "milky" in apearance. (antifreeze in the oil)
 
After that, you need to determine if it is LEAKING or being burned off as steam out the tailpipe.
 
Also, just incase you were not aware..... use ONLY the VW G12 antifreeze. Mixing in any other type of antifreeze can cause gelling and plugging of the cooling system.
#37 of 122
Re: Also... [bpeebles] by jeffyscott
Dec 06, 2007 (7:23 pm)
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Replying to: bpeebles (Dec 06, 2007 6:45 pm)

Also, just incase you were not aware..... use ONLY the VW G12 antifreeze. Mixing in any other type of antifreeze can cause gelling and plugging of the cooling system.
 
Careful, there...she did not say what year her car is. I don't know when VW started using G12, but my kid's '97 was orginally G11 (not G12).
 
In addition, people have been known to flush out the G12 and put in the green stuff. Adding G12 in that situation would be just as bad as the reverse.
#38 of 122
Re: Also... [jeffyscott] by bpeebles
Dec 08, 2007 (7:19 pm)
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Replying to: jeffyscott (Dec 06, 2007 7:23 pm)

I appreceate your concern about this. I believe the G12 is the replacement for the G11.
 
You are correct that the folks that chose to replace ALL their antifreeze with somthing else REALLY have to be careful about what they are doing. In this situation, an unknowing mechanic may add the wrong stuff.
 
Since virtually ALL of the various automakers specify HOAT antifreeze (or even pure OAT)... it is best to stick with what the manufacturer recommends. Intermixing the "green stuff" with any OAT is asking for trouble. To make matters worse, some automakes OAT is actually green.
 
 Given that the G12 has proven itself to be perhaps one of the best antifreeze elixiers on the market.... I fail to see why anyone would chose to change their system over to somthing which protects the engine less or does not last as long as the G12.
 
Indipendant tests have shown that G12 will continue to protect the various engine metals FARRR longer than the "green stuff" which has to be replaced every couple of years to maintain the same level of protection.
 
Antifreeze information
 
OAT = Organic Acid Technology
HOAT = Hybred Organic Acid Technology
#39 of 122
jetta gli not starting by romann
Dec 07, 2007 (11:16 pm)
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My 1991 jetta gli will not start. It is cranking just fine like it wants to start but with no sputtering. I can hear my fuel pump turn on. Is it a lack of fuel getting to the motor. My the way it is cold because of the snow.
#40 of 122
Re: Also... [bpeebles] by jeffyscott
Dec 09, 2007 (5:43 am)
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Replying to: bpeebles (Dec 08, 2007 7:19 pm)

I fail to see why anyone would chose to change their system over to somthing which protects the engine less or does not last as long as the G12.
 
I agree, yet it does happen.
 
My understanding is G11 is an ethylene glycol based anti-freeze. So G12 is not compatible with it.
 
My son's '97 is labeled G11, but actually has green coolant in it. I believe G11 would be blue in color. I imagine the previous owner switched just because they had coolant changed and that was what the shop they went to used.
#41 of 122
Re: 1999 Jetta Wolfsburg won't start in wet, cold or on incline [diyer] by sjohnson2
Dec 10, 2007 (1:01 pm)
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Replying to: diyer (Jan 06, 2007 12:46 pm)

wonder if you ever figgured out your problem with stalling?? . have the same problem & am curious
#42 of 122
Rough Idle and stalls by glevien
Dec 16, 2007 (12:15 am)
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I just bought a 2001 jetta 2.0... I thought that I got a pretty good deal on it... it has only 45,000 miles on it... Anyway the day after I bought it the check engine light came on... I didnt think to much of it at first but the next day I noticed that the idle was running kinda rough.. like it was bogging out and then trying to catch back up... The tach would go down to about 200 rpms and then shake and come back up to about 900rpms.. then is started dying while I was sitting at a stop light or something... I took it to the deal and the said that the mass air flow sensor was bad.. so 350 dollars I am back on the road thinking all is fixed.... about a week later the check engine light is on again.. I put the scanner on it and now it say its running to rich bank one.. I dont know what to think. and now its starting to run rough and stall again.. I dont want to spend thousands of dollars trying to figure out what is wrong... Any ideas please????????? I bought it for my girlfriend and all I want is a safe reliable car...PLEASE HELP ME

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