99 Cabrio Starting problem! - Volkswagen Forum - VW Forums for Volkwagen enthusiasts

99 Cabrio Starting problem!

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  #1  
Old 06-29-2006, 04:20 PM
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Join Date: Jun 2006
Posts: 1
Default 99 Cabrio Starting problem!

Here it is guys! I have this 99 Cabrio in the shop and myself or any of the techs have been able to find out what the problem is! Initially the distributor was replaced due to a clip being cracked and would misfire from the inadequate contact. Upon attempting to crank we were not getting enough fuel and replaced the fuel filter. Now the car attempts to crank and but it turns and fires but immediately shuts off. The vehicle will not cycle and idle! When I try to pump the pedal it's almost as if the throttle is inactive. Before any repairs were attempted we hooked up the scanner and returned 12 codes which I will detail below. I disregarded most of the codes due to the distributor being crack it seemed like they were all from that one symptom. We have been unsucessful in cranking the car and we are now past due on our deadline! Please help us out! AHHH!!! Damn thing!

DTC:
P1420 Manufacturer Controll Auxillary Emission Controlls
P0102 MAF or VAF Low Circuit Input
P1544 Manufacturer Vehicle Speed Idle Controll Auxilary Inputs
P0300 Random/ Multiple Cylinder Misfires Detected
P0301 Cylinder #1 Misfire Detected
P0302 Cylinder #2 Misfire Detected
P1613 Manufacturer Controll Auxillary Input/ Output Controlls
P0341 Camshaft Position Sensor "A" Bank #1 CKT Range/ Perf
P0121 TPS/ Pedal Position Sensor "A" CKT Range/Perf
P0300 Random/ Multiple Cylinder Misfires Detected
P0301 Cylinder #1 Misfire Detected
P0302 Cylinder #2 Misfire Detected


The three codes in red were repeated in the scan

If someone can help us out we would really appreciate it! We are stumpped on further diagnosis and repair of this issue. If you want you can drop me a line @ [email protected] as well.
 
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  #2  
Old 06-29-2006, 07:40 PM
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Join Date: Aug 2005
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Posts: 1,384
Default RE: 99 Cabrio Starting problem!

What about replacing your throttle positioning sensor, that would make up for the throttle and computer not talking to each other. Was the computer reset/cleared before connecting scanner, you may be retrieving old codes. Taht's the adibvce I have for you...good luck.
 
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  #3  
Old 10-07-2016, 02:56 PM
Junior Member
Join Date: Oct 2016
Posts: 1
Default 2001 vw cabrio new Starter continues to run after starting

I just put in my 4TH starter 2 from Advance auto 1 from O'Reilly A.P. and one I ordered from internet last! Whan i go to start after installation>>>> The starter won't disengage, it just keeps spinning until it starts to smoke and I kill the engine?? PLEASE HELP!!!STARTER JUST KEEPS RUNNING?

tHE ONLY VERIABLE IS THESE AFTER MARKET STARTERS FROM EVERY WHERE I PURCHASED HAVE A 4 INCH ROD PROTRUDING FROM THE GEAR ON THESE NEW STARTERS?? THE ORIGINAL STARTER DIDN'T HAVE THIS ROD WITH A SMALL BEARING ON IT?? tHE AUTO PARTS STORES ALL SAY IT A FACTORY UPGRADE!

HELP...HELP...HELP... BIG D-

THANKS
 
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  #4  
Old 10-08-2016, 04:57 AM
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Join Date: Sep 2009
Location: Stoke on Trent, England
Posts: 2,070
Default

P1420 Manufacturer Controll Auxillary Emission Controlls
P0102 MAF or VAF Low Circuit Input
P1544 Manufacturer Vehicle Speed Idle Controll Auxilary Inputs
P0300 Random/ Multiple Cylinder Misfires Detected
P0301 Cylinder #1 Misfire Detected
P0302 Cylinder #2 Misfire Detected
P1613 Manufacturer Controll Auxillary Input/ Output Controlls
P0341 Camshaft Position Sensor "A" Bank #1 CKT Range/ Perf
P0121 TPS/ Pedal Position Sensor "A" CKT Range/Perf


VAG Error Code: 17828/005152
EOBD II Error Code: P1420

Fault Location:
Secondary Air Injection (AIR) Solenoid Valve (N112) - Electrical Malfunction

Possible Cause:
Wiring/Connector(s).
Secondary Air Injection Solenoid Valve (N112) faulty.
Secondary Air Pump Relay (J299) faulty.

Possible Solutions:
Check/Replace all faulty Wiring/Connector(s).
Check Secondary Air Injection Solenoid Valve (N112).
Check Secondary Air Pump Relay (J299).


VAG Error Code: 16486/000258
EOBD II Error Code: P0102

Fault Location:
Mass Air Flow (MAF) Sensor (G70) - Signal too Low/Lower Limit Exceeded

Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.
Loss or Power.

Wiring/Connector(s).
Mass Air Flow (MAF) Sensor (G70) faulty.

Possible Solutions:
Check/Replace all faulty Wiring/Connector(s).
Read Measuring Value Blocks (MVB).
Mass Air Flow (MAF) Sensor (G70) signal < 66 Ás.
Check/Replace Mass Air Flow (MAF) Sensor (G70).

Special Notes:
In MY 1995-2002 (?) in Europe at VW diesel cars Mass Air Flow (MAF) Sensor (G70) had the bad reputation of slowly losing his performance, causing loss of power. It's not a matter of defective or breaking down, but it is filthy/dirty (not easy to clean). You can check functionality by making a log in [01-engine], Measuring Value Blocks (MVB) 08, group 003 (3e gear, full throttle, from 1700-4000rpm).

Tech Notes:
Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle. If the code comes back, it may be necessary to replaced the mass air flow sensor.

When is the code detected?:
An excessively low voltage from the sensor is sent to Engine Control Module (ECM).

Description:
The Mass Air Flow (MAF) sensor is placed in the stream of intake air. It measures the intake flow rate by measuring a part of the entire intake flow. It consists of a hot film that is supplied with electric current from the Engine Control Module (ECM).

The temperature of the hot film is controlled by the Engine Control Module (ECM) a certain amount. The heat generated by the hot film is reduced as the intake air flows around it. The more air, the greater the heat loss. Therefore, the Engine Control Module (ECM) must supply more electric current to maintain the temperature of the hot film as air flow increases. The Engine Control Module (ECM) detects the air flow by means of this current change.



VAG Error Code: 17952/005444
EOBD II Error Code: P1544



Fault Location:
Angle Sensor 1 for Throttle Actuator (G187) - High Input/Short Circuit to Positive



Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.



Wiring/Connector(s) short to positive.
Angle Sensor 1 for Throttle Actuator (G187).



Possible Solutions:
Check/Replace all faulty Wiring/Connector(s).
Read Measuring Value Blocks (MVB), usually MVB 062.
Check Throttle Valve Actuator Module (J338).




VAG Error Code: 16684/000768
EOBD II Error Code: P0300



Fault Location:
Random/Multiple Cylinder(s) - Misfire Detected/Upper Limit Exceeded/Implausible Signal



Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.
Lack/loss of power.
Hard start.
Engine hesitation.



Wiring/Connector(s).
Air Intake System leaking.
Fuel Supply faulty.
Injector(s) faulty.
Ignition Cable(s) and/or Spark Plug(s) faulty.
Ignition coil(s) faulty.
Exhaust Gas Recirculation (EGR) Valve (N18) stuck/open.
Camshaft Position (Hall) Sensor (G40) faulty.
Low compression.



Possible Solutions:
Check/Replace all faulty Wiring/Connector(s).
Check Misfire Recognition.
Check Air Intake System.
Check Fuel Supply.
Check Injector(s) and Injector Sealing.
Check Ignition Cable(s) and Spark Plug(s).
Check Ignition Coil(s).
Check Exhaust Gas Recirculation (EGR) Valve (N18).
Check Camshaft Position (Hall) Sensor (G40).
Check cylinder compressions.



Special Notes:
This Diagnostic Trouble Code (DTC) indicates that one or multiple cylinders are misfiring, but the Electronic Control Unit (ECU) fails to identify the cylinder.



Tech Notes:
The P0300 code means that a cylinder(s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. If no leak are found the next step is to replace the spark plugs. If the problem persist more tests needs to be done to diagnose problem.



When is the code detected?:
The control module monitors the crankshaft speed and has detected a misfire condition.



Description:
When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position Sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring.




VAG Error Code: 16685/000769
EOBD II Error Code: P0301



Fault Location:
Cylinder 1 - Misfire Detected



Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.
Lack/loss of power.
Hard start.
Engine hesitation.



Wiring/Connector(s).
Ignition system.
Fuel injectors.
Fuel pressure.
Running out of fuel.
EVAP canister purge valve.
Evaporative emission system.
Low compression.
Base engine problems.
Engine Control Module (ECM) damaged.



Special Notes:
This feature search for engine misfire in a specific cylinder. Most of the time the cause for a misfire is a lack of combustion in a cylinder due to absence of spark, poor fuel metering, or poor compression.



Tech Notes:
The P0301 code means that the cylinder 1 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 1. If the problem persist more tests needs to be done to diagnose problem.



Description:
When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position Sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring.




VAG Error Code: 16686/000770/10592
EOBD II Error Code: P0302



Fault Location:
Cylinder 2 - Misfire Detected



Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.
Lack/loss of power.
Hard start.
Engine hesitation.



Wiring/Connector(s).
Ignition system.
Fuel injectors.
Fuel pressure.
Running out of fuel.
EVAP canister purge valve.
Evaporative emission system.
Low compression.
Base engine problems.
Engine Control Module (ECM) damaged.



Special Notes:
This feature search for engine misfire in a specific cylinder. Most of the time the cause for a misfire is a lack of combustion in a cylinder due to absence of spark, poor fuel metering, or poor compression.



Tech Notes:
The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 2. If the problem persist more tests needs to be done to diagnose problem.



Description:
When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position Sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring.




VAG Error Code: 18021/005651
EOBD II Error Code: P1613



Fault Location:
Malfunction Indicator Lamp (MIL)(K83) Control Circuit - Open Circuit/Short Circuit to Positive



Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) not working properly.



Malfunction Indicator Lamp (MIL)(K83) faulty.
Fuse(s).
Wiring/Connector(s) from/to Malfunction Indicator Lamp (MIL)(K83) faulty.
Control Module Coding incorrect.
Heavy wear on ignition/starter switch (D) contacts.



Possible Solutions:
Check Malfunction Indicator Lamp (MIL)(K83).
Check/Replace Fuse(s).
Check/Replace Wiring/Connector(s) from/to Malfunction Indicator Lamp (MIL)(K83).
Check Control Module Coding.
Check/Replace ignition/starter switch.




VAG Error Code: 16725/000833/6039
EOBD II Error Code: P0341



Fault Location:
Camshaft Position (Hall) Sensor (G40) - Implausible Signal



Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.



Wiring/Connector(s).
Camshaft Position (Hall) Sensor (G40) faulty.
Timing misaligned.



Possible Solutions:
Check/Replace all faulty Wiring/Connector(s)..
Read Measuring Value Blocks (MVB).
Check Camshaft Position (Hall) Sensor (G40).
Check Timing.



Tech Notes:
Sometimes and in some models, low battery voltage or a weak starter can trigger a Camshaft Position Sensor code.



When is the code detected?:
The camshaft position sensor signal sent to the Engine Control Module (ECM) during the first few seconds of engine cranking is out of range.



Description:
The Camshaft Position (Hall) Sensor is an electronic device used in an engine to record the rate at which the camshaft is spinning. This information is used by the Engine Control Module (ECM) to control ignition and fuel injection. The camshaft position sensor senses the retraction of camshaft (intake) to identify a particular cylinder. The Camshaft Position (Hall) Sensor senses the piston position. The sensor system consists of a rotating part, typically a disc, as well as a static part, the actual sensor. When the engine is running, the high and low parts of the teeth cause the gap with the sensor to change. The changing gap causes the magnetic field near the sensor to change. The change in the magnetic field cause the voltage from the sensor to change. When the crankshaft position sensor (POS) system becomes inoperative, the camshaft position sensor provides various controls of engine parts instead, utilizing timing of cylinder identification signals.



When the engine is running, the high and low parts of the teeth cause the gap with the sensor to change. The changing gap causes the magnetic field near the sensor to change. The change in the magnetic field cause the voltage from the sensor to change.



When the Crankshaft Position Sensor system becomes inoperative, the Camshaft Position (Hall) Sensor provides various controls of engine parts instead, utilizing timing of cylinder identification signals.




VAG Error Code: 16505/000289
EOBD II Error Code: P0121



Fault Location:
Throttle Position Sensor (G69) - Implausible Signal



Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.
Poor engine performance.



Accelerator cable adjustment.
Throttle position sensor (G69).
Wiring/Connector(s)/Wiring Harness issue.
Failed Throttle Body.
Failed Engine Control Module (ECM).



Possible Solutions:
Check/Replace all faulty Wiring/Connector(s).
Read Measuring Value Blocks (MVB).
Throttle Position Sensor 1 - Throttle Position Sensor 2 > 6.30%.
Actual Throttle Position Sensor 1 calculated value > Throttle Position Sensor 2 calculated value.
Throttle Position Sensor 1 calculated value > 9.00%.
Test wiring as per Factory Repair Manual



Special Notes:
For some vehicles, there may be a Technical Product Information (TPI) with instructions on replacing the terminals for the throttle body.
Some Engine Control Module (ECM)s may have a firmware update to address this issue during cold weather.
The component identifier Throttle Position Sensor (G69) may be G187 per the wiring diagrams for the vehicle in question.



When is the code detected?:
Malfunction is detected when an excessively low or high voltage from the sensor is sent to Engine Control Module (ECM).



Description:
The throttle position sensor responds to the accelerator pedal movement. This sensor is a kind of potentiometer which transforms the throttle position into output voltage, and emits the voltage signal to the Engine Control Module (ECM). In addition, the sensor detects the opening and closing speed of the throttle valve and feeds the voltage signal to the Engine Control Module (ECM).



Idle position of the throttle valve is determined by the Engine Control Module (ECM) receiving the signal from the throttle position sensor. This sensor controls engine operation such as fuel cut. On the other hand, the Wide open and closed throttle position switch, which is built into the throttle position sensor unit, is not used for engine control.










 
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