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.

Posted on Jan 06, 2009

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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

3 Answers

A p0301 p1142 p1545


CODE PO301 - CYLINDER NUMBER 1 MISFIRE DETECTED. POSSIBLE CAUSE- BAD COIL - SPARK PLUG - INTAKE MANIFOLD VACUUM LEAK - DIRTY OR FAULTY FUEL INJECTOR. CODE P1142 - DID NOT SEE. CODE P1545 - THROTTLE VALVE ACTUATOR MALFUNCTION.POSSIBLE CAUSE THROTTLE VALVE CONTROL MODULE FAULTY - THROTTLE VALVE IS DAMAGE OR DIRTY - THROTTLE VALVE MUST BE IN THE CLOSE POSITION - ACCELERATOR PEDAL OUT OF ADJUSTMENT. THROTTLE POSITION ACTUATOR IS SHORTING TO GROUND OR POWER.

May 09, 2010 | 2000 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

1 Answer

I have 2004 jetta gls tdi eng. light is on.diagnostic machine says its turbo charge underboost, when im driving it loses pressure and rpms dnt go up,when i restart it it works fine but eventually goes back...


In the VW world it's called "Limp Mode" and unfortunately it's relatively common. Here's a link to some useful info on limp mode

http://www.myturbodiesel.com/1000q_how_to/multi/limpmodetdi.htm

Also check out www.tdiclub.com - these guys know their TDI"s...

Jul 01, 2009 | 2001 Volkswagen Jetta TDI

1 Answer

2000 VW Jetta V5 accelerator/idling problem


these cars are fitted with a fly by wire accelerator pedal that is controlled electronically by the cars computer it is possible that there is a computer problem or the throttle body ( air intake system )or accelerator pedal is playing up.
it is highly possible that the car is doing exactly what you say it is i recommend you take it back to VW and demand that they take a proper look at it you might have to leve it with them for a couple of days and get a service advisor to drive it home so as they can see the problem ocure.
regardles the cars computer should of thrown a code declaring a fault in the system witch should give the tecs some were to start looking.

good luck with this problem if you have any outher questions let me no

Dec 19, 2008 | 2000 Volkswagen Jetta TDI

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