Question about 2000 Volkswagen Jetta TDI

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Accelerator Loss 99 VW JETTA TDI loses accelerator, goes into high idle. Sometimes restarting will correct, but getting worse. Cruise control will hold speed position even when accelerator is not functioning. Manual transmission will allow starting the car while in motion, and the accelerator will return to functional use as long as the gas pedal has pressure on it.

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From my experience in owning a VW it souns electrical. Most issues with VWs are electrical related. Most likely a realy of some type. Could also be fuel injection but that is electronic too.

I’m happy to help further over the phone at https://www.6ya.com/expert/phillip_293d34ebcf028794

Posted on Jan 06, 2009

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Posted on Jan 02, 2017

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3 Answers

Engine power loss message


You need to have it checked for DTC'S - diagnostic trouble codes , There is a problem with throttle actuator control (TAC) - electronic throttle control !
Throttle Actuator Control (TAC) Overview
The throttle actuator control (TAC) system uses vehicle electronics and components to calculate and control the position of the throttle blade. This eliminates the need for a mechanical cable attachment from the accelerator pedal to the throttle body. This system also performs the cruise control functions as well.
The TAC system components include, but are not limited to the following:
?€¢
The accelerator pedal position (APP) sensors

?€¢
The throttle body

?€¢
The powertrain control module (PCM)
Each of these components interface together to ensure accurate calculations and control of the throttle position (TP).


Drive by Wire Function and Diagnostics by Wells

Mar 29, 2015 | Cars & Trucks

2 Answers

I have a Jetta TDI 1993 Model and I have a problem, while driving the I get no response from the accelerator pedal, the car seems to idle but there is no accelerating power. If turn the engine off and on...


Go back to that VW dealer and complain. I'm sure you payed plenty, and I know in my shop, if a customer's car is not repaired to their satisfaction, I want to know, and make it right. Sometimes parts can be bad right out of the box, and sometimes problems are misdiagnosed. Go back, but don't agree to pay for anything untill you get a satisfactory explanation. Good luck.

May 12, 2011 | 1993 Volkswagen Jetta

1 Answer

My volkswagon jetta TDI loses power when i am accelerating. i noticed that it usually happens just before i get to 2000 RPMs in every gear exept first. what could be wrong?


this may not be the answer you want but as all vw product are computer controlled you are best to get a diagnostic done at a dealer that has the machine(a proper vw one)you dont have to get them to do the work but its so simple once diagnosed correctly.....and a small price to get the correct info first time.
you can buy the all in one type,but they are not available here in the U.K.so i dont know if they are any good...
i am a fully qualified technition but still go to my local dealer for it to be done(cheaper than buying a diagnostic )

Aug 12, 2010 | 2000 Volkswagen Jetta TDI

2 Answers

When going up a good size hill or under strain (lead foot) on flat ground, my 2000 Jetta TDI seems to instantaneously drop power (feels like going into overdrive on an automatic). It then has no power to...


it sounds like a wire is bad/ shorting out. Put it in a dark garage open the hood have someone start it while you look under the hood if they give it a little fuel you will see an arc from the bad wire.

Apr 14, 2017 | 2000 Volkswagen Jetta TDI

1 Answer

2001 Jetta TDI: reset the computer on a jetta...


Take off the battery cables. Touch the positive and negative together for 10 seconds. Reattach the positive first and then the negative. Your computer will be reset to factory settings. Idle will be better, cruise will work and air will be fine at the idle position.

May 17, 2010 | 2001 Volkswagen Jetta TDI

1 Answer

Have 2000 VW Jetta, turning signal stops working intermittently. starts signal then stops blinking during turn or sometimes it works fine, sometimes won/t. all bulbs working & all other functions on...


I pulled my switch out of the dash and sprayed it with contact cleaner. Air dry and put back in. 2 years without a problem. If you're not electrical savy, I'm pretty sure there was a recall on that, and it should be replaced for free.

Feb 20, 2010 | 2000 Volkswagen Jetta TDI

1 Answer

Rough idle, power loss while driving


check /replace the fuel filter and check the fuel pump pressure before and after the bleed valve to the throttle injectors

Jan 20, 2010 | 1992 Chevrolet K1500

3 Answers

2002 Jetta 1.8t cuts offs sporadically


Here is the common cause of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Sep 10, 2009 | 2003 Volkswagen Jetta TDI

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