Question about 2004 Volkswagen Jetta

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2004 vw jetta temperature light flashes when cold, after a couple of minutes I turn off and then turn on the engine and the light remains off, whats at fault?

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Coolant temp sensor indicating when engine is at operating temp by going off.

Posted on Oct 01, 2009

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2004 Jetta starts to buck while driving as soon as ESP light goes on.


It's your Electronic Stability System. It may be malfunctioning because of the cold temperature or triggered by another malfunctioning system. You need to take it in for a diagnostic investigation.

Mar 25, 2017 | 2004 Volkswagen Jetta

1 Answer

My car is running codes P0011 and P2181. Can you tell me what that is please. 2004 vw jetta gl


P0011 - Camshaft positioning sensor
P2181 - Engine cooling temperature sensor.
If you have a repair manual (chilton/haynes/etc) these should be fairly simple fixes.
Camshaft positioning sensor for my car was $35 and took about 15 minutes to change.

2carpros.com suggested the P2181 is also fairly easy to replace
http://www.2carpros.com/questions/volkswagen-jetta-2004-volkswagen-jetta-code-p2181-engine-cooling-performance

Jul 24, 2011 | 2004 Volkswagen Jetta

1 Answer

What is the drive cycle for a 1999 vw jetta


The drive cycle is as follows
For all OBD2 VW's

OBD-II Drive Cycle Stages
The OBD-II Drive Cycle is an eight-stage course, as illustrated in the
chart on page 3. An explanation of each step is provided below.
Stage 1: Cold Start-The ECM determines the presence of a cold start
by comparing the engine coolant temperature to the ambient air
temperature during startup. The engine is considered cold when:
• Engine coolant temperature is below 122°F (50°C).
• Engine coolant and intake air temperatures are within 11°F (6°C) of
each other at startup.
During this period, the O2S heater, misfire, AIR, fuel system, and EVAP
monitors run.

Stage 2: Idle 2½ Minutes-Turn the air conditioning (A/C) and
headlights on to help the misfire monitor-the additional electrical loads
help even out combustion pulses. During this period, the O2S heater,
AIR, EVAP, misfire, and possibly fuel system (if operating in closed loop)
monitors run.

Stage 3: Accelerate-Prior to accelerating, turn off the A/C and
headlights (if possible). Open the throttle halfway until you reach
55 MPH (89 KPH). During acceleration, the misfire, fuel system, and
EVAP monitors run.

Stage 4: Steady State Cruise-During this portion of the cycle, the
O2S, AIR, EGR, EVAP, misfire, and fuel system monitors run.

Stage 5: Decelerate-Gradually coast down without applying the
brakes. Also, on manual transmission vehicles, remain in high gear and
do not press the clutch. During this period, the EGR, EVAP, and fuel
system monitors run.

Stage 6: Accelerate-Apply ¾ throttle until reaching 60 MPH (97 KPH).
During acceleration, the misfire, fuel system, and EVAP monitors run.

Stage 7: Steady State Cruise-During this period, the CAT, O2S, AIR,
EGR, EVAP, misfire, and fuel system monitors run.

Stage 8: Decelerate-Gradually coast down without applying the
brakes. Also, on manual transmission vehicles, remain in high gear and
do not press the clutch. During this portion of the Drive Cycle, the EGR,
EVAP, and fuel system monitors run.

You can try this a couple times, but if it doesn't work you should go to a VW specialty shop like the dealer or a shop that does mostly European cars and they can use the scan tool to force the car through readiness.


Oct 11, 2010 | 1999 Volkswagen New Jetta

1 Answer

The brake lights (all 3) on my VW Sharan do not work although there is an intermittent flashing. At the same time the Glo Plug light is flashing. what is the cure?


There is a recall on the brake light switch. VW should replace it for free.

-----------------------------------------------------------------
Defective brake lights on Golf, GTI, Jetta, New Beetle and R32 are a potential safety hazard and should be replaced. February 26, 2007 - NEW YORK (CNNMoney.com) -- Around 800,000 Volkswagen vehicles have been recalled Monday because of faulty brake lights, the National Highway Traffic Safety Administration said.
The 790,000 vehicles include Jettas, New Beetles, Golfs, GTIs and R32s...all in the United States.
The specific years and models affected are:
  • 1999-2005 Jetta sedans
  • 2001-2005 Jetta wagons
  • 1998-2007 New Beetle
  • 2003-2007 New Beetle Convertibles
  • 1999-2006 Golfs and GTIs
  • 2004 R32
The malfunctioning brake lights and brake light switches could fail to come on or remain stuck on.
This recall expands on one announced by Europe's No. 1 carmaker last year, when 362,000 Jettas and New Beetles were recalled due to the same defective part.
Volkswagen said that dealers will immediately be prepared to accept service appointments to perform the repair at no charge, but the notification process isn't scheduled to begin until April.
NHTSA did not say if any injuries had been reported linked to the defective brake lights.

Sep 25, 2010 | 2002 Volkswagen Jetta TDI

1 Answer

2004 Jetta: my check engine light is on in my car im not sure ...


VW's somehow got around disclosing what the check engine lite codes mean to anyone except a VW Dealer. Therefore, to eliminate another service charge from a local repair shop I recommend you take the vehicle to VW and have them scan the vehicle's ECU for codes and do the repair accordingly.

May 16, 2010 | 2004 Volkswagen Jetta

1 Answer

I own a vw jetta,2004 model. The check engine


Must hookup computer scanner to obtain diagnostic codes. Problem must be repaired to keep light off.

May 09, 2010 | 2004 Volkswagen Jetta

1 Answer

02 VW Jetta TDI with ALH engine glow plug


this is a common problem for these cars glow plugs go bad like spark plugs however the smoke would lead to bad mass airflow meter. it is not telling ecu corrcet miss. disconnect mass airflow meter. when cold see if this makes it start better. it should would means you need new m.a.f. glow plug issue take a test light place clamp on positive of battery then pull off glow plug connectors place tip of test light on glow plug the bad one will have a dull light unlike the good one which will be brighter. will need new plugs and wire harness four **** connectors and wire striper and crimper will fix concern good luck

Sep 01, 2009 | 2002 Volkswagen Jetta TDI

1 Answer

Runs rough when cold


On start (Especially in Cold temperatures)it is harder for the oil pump to bring oil to the top of the engine,making noise more prevalent .Keep fluids level and oil clean and you shouldn't have to worry.

May 30, 2008 | 2004 Suzuki Forenza

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