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Volkswagen Jetta Maintenance and Repair

6249 messages,  Last post on Nov 23, 2009 at 6:55 AM

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

What is this discussion about? Volkswagen Jetta, Sedan


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#6229 of 6249
Re: Multiple Error Codes [thess02] by bpeebles
Oct 27, 2009 (2:19 pm)
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Replying to: thess02 (Oct 26, 2009 5:44 pm)

Before replacing TPS, try re-synchronizing the throttle pedal to the throttlebody. Dont forget that many VWs use "fly-by-wire" throttle body. There is no traditional throttle-cable. Instead, there is a poteometer on the throttle-pedal which sends electronic signal to the throttle-body.
 
As I recall, the procedure involves pushing throttle to floor then turning ignition-switch without starting engine. .... there is step-by-step procedure to do that on the internet.
#6230 of 6249
96 VW Jetta Will Not Turn Over by dungeonx
Oct 28, 2009 (6:54 am)
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Ok I have a 96 VW Jetta 2.0 The car was running great and one day Just Stalled and will not start. Checked the Plugs, I Got Spark, Checked the Fuel get Fuel up to the Fuel Pressure Valve. I Changed the Valve. and still No Start. I Checked the Signal to The wires of the Injector and they get Power..
Can anyone tell me WHAT to Check Next I am Lost.
Thank you in Advance
Regards
MATT
#6231 of 6249
96 VW Jetta 2.0... * Will Not Start* by dungeonx
Oct 28, 2009 (7:44 am)
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Ok I have a 96 VW Jetta 2.0 The car was running great and one day Just Stalled and will not start. Checked the Plugs, I Got Spark, Checked the Fuel, get Fuel up to the Fuel Pressure Valve. I Changed the pressure Valve. and still No Start. I Checked the Signal to The wires of the Injector and they get Power..
Can anyone tell me WHAT to Check Next I am Lost.
Thank you in Advance
Regards
MATT
#6232 of 6249
Re: 96 VW Jetta Will Not Turn Over [dungeonx] by revmarket
Oct 28, 2009 (7:50 am)
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Replying to: dungeonx (Oct 28, 2009 6:54 am)

Try changing the ignition coil.
After market one may not last as long as one from VW.
Though price for after market one is about half of one from VW.
If you buy two after market ones and keep the second one in the trunk you should never be caught with a dead car out in the middle of nowhere,
Or at the departure lane at the airport.
That is where hers failed.
Airport police were not too happy with that.
Even thought she was picking up her brother as a favor since he locked his keys in his car as a TSA employee.
 
Went through this with my daughters 98 Jetta.
Even had Car-X say it was a fuel pump for $680.00 to repair.
Import mechanic changed the coil out for $200 after it sat at the house for awhile I tried to change out the fuel pump. Fuel pump was good.
#6233 of 6249
Re: 96 VW Jetta Will Not Turn Over [revmarket] by dungeonx
Oct 28, 2009 (8:51 am)
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Replying to: revmarket (Oct 28, 2009 7:50 am)

Thanks remarket
We are getting spark to the spark plugs and we are getting Fuel into to the Fuel Rail
We are getting Power to the Injectors. Still Will Not start
#6234 of 6249
Re: 96 VW Jetta Will Not Turn Over [dungeonx] by dungeonx
Oct 28, 2009 (11:10 am)
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Replying to: dungeonx (Oct 28, 2009 8:51 am)

ALSO Checked the Injectors and No Gas came out
What would cause all 4 not to work at the same time
Thanks
#6235 of 6249
Re: 96 VW Jetta Will Not Turn Over [dungeonx] by elias
Oct 29, 2009 (4:59 am)
Reply

Replying to: dungeonx (Oct 28, 2009 11:10 am)

fuel pump malfunction?
very clogged fuel line?
very clogged fuel filter?
#6236 of 6249
Re: 96 VW Jetta Will Not Turn Over [dungeonx] by jogousa
Oct 29, 2009 (5:38 am)
Reply

Replying to: dungeonx (Oct 28, 2009 11:10 am)

Had a smiliar situation on my 2001 Saab 9-3 ... and indeed, it was a faulty fuel pump!
#6237 of 6249
Re: 96 VW Jetta Will Not Turn Over [jogousa] by dungeonx
Oct 29, 2009 (12:56 pm)
Reply

Replying to: jogousa (Oct 29, 2009 5:38 am)

I am getting Fuel to the Fuel Rail The Gas is not cominh out of the Injectores...
the Fuel Pump is working and I am getting great fuel pressure Up to the Fuel rail
 
Still Looking for help
Thanks in Advance
Matt
#6238 of 6249
Re: 96 VW Jetta Will Not Turn Over [dungeonx] by bpeebles
Oct 29, 2009 (4:05 pm)
Reply

Replying to: dungeonx (Oct 29, 2009 12:56 pm)

If you are certain the fuel-pressure in the rail is within spec... then the problem is electrical power to the injectors.
 
I assime you checked all the fuses and fusable-links. It is the engine-computer that controls injection signals to the injectors.
 
Let me say that another way... the engine-computer sends the "signals" to the injectors but the bulk of the POWER comes from another source. Typically, +12 is CONSTANTLY fed to the injectors and the engine-computer momentarilly shorts the other side to GROUND to cause an injection-pulse.
 
Check for +12 on all injectors.

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