2003 Volkswagen Jetta Engine Stalls when RPM goes up

  • 4 CYL
  • 2WD
  • 135,000 MILES
We have checked the fuel pump and it is fine. The problem is as soon as the car starts it stalls when the RPM's go up. It stalls out! It was driving fine and then started doing this at one point the battery went totally dead and we charged it but it continues to do the same thing. Start and immediately stall when the RPM goes up. The check engine light was on but after a scan was run the check engine light is now out and the scan shows nothing wrong!?
Do you
have the same problem?
Saturday, March 13th, 2010 AT 7:41 PM

1 Reply

Hello. Thanks for the donation. Much appreciated

Is the anti-theft light on continuously or flashing all the time. It should come on for 3 seconds when ignition turned on then go out. The immobolizer stops fuel injection after a couple of seconds running !

Golf/Jetta/GTI models from m.Y. 2000 are equipped with an anti-theft immobilizer system.
Immobilizer functions supported by:
control electronics ("control module") integrated with instrument cluster
a warning light for anti-theft immobilizer -K117- in instrument cluster (speedometer display)
an adapted Engine Control Module (ECM)
an induction coil on the ignition lock
Adapted ignition keys with electronic components (transponder and response reader memory)
Malfunction recognition and Diagnostic Trouble Code (DTC) display via warning light for anti-theft immobilizer -K117-
An intact immobilizer system is indicated by the warning light for anti-theft immobilizer -K117- lighting up and going out after approx. 3 seconds when the ignition is switched on.
When the ignition is switched "on", the warning lamp flashes or lights up continuously to indicate a malfunction in the system when:
Adapting the ignition key has been carried out incorrectly
No transponder (response reader memory) is present in ignition key.
An unauthorized ignition key is used.
An unauthorized engine control module is detected.
A malfunction in the induction coil of anti-theft immobilizer -D2-.
A malfunction in the data wiring is present.
The warning light for anti-theft immobilizer -K117- does not light up after switching on ignition:
The immobilizer control module has detected an authorized key.
The immobilizer control module has not detected an incorrect engine control module.
The immobilizer control module is currently "adapting keys" and after adapting the keys no malfunction has occurred.
To troubleshoot, perform On Board Diagnostic (OBD) program and retrieve stored information with VAS 5051 Vehicle Diagnostic, Testing and Information System in mode "Guided Fault Finding"
Anti-theft Immobilizer On Board Diagnostic (OBD), function
If malfunctions occur in sensors and components being monitored, they will be stored in the Diagnostic Trouble Code (DTC) memory together with an indication of the type of malfunction.
A maximum of 4 DTCs can be stored simultaneously.
Sporadic malfunctions are automatically cancelled if they are not repeated in next 50 engine starts.
On Board Diagnostic of the anti-theft immobilizer system is to be carried out using the VAS 5051 Vehicle Diagnostic Testing and Information System in mode "Guided Fault Finding"
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Tuesday, March 16th, 2010 AT 5:26 AM

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