Question about 2003 Volkswagen Passat

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My 2003 volkswagen passat overheated when the temperature outside was around 20 degree, I stop the car let it cool down and started again and the temperature was fine again what could cause that to happend

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A frozen thermostat....if problem persists have Thermostat replaced

Posted on Dec 12, 2009


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Does it still crank over, if so you may have a problemwith your tandompump not holding fuel pressure at the back of the head, the lift pumpin the tankis feeding it but after a while the fuel is falling back to the tank instead of holding pressure in the tandempump, checkit out.

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Hello, my passvolkswagon will not start if its very cold outside

make sure you do not have a bad cell in your battery also add some STP gas treatment to your tank to make sure you do not have a freeze gas line one of the injection could be plug so the STP gas treatment will help with that and the freeze line make sure you have over a half tank of gas in the car.

Dec 17, 2009 | 2003 Volkswagen Passat

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Replacing temperature sensors

the system is pressurized so get it tested to ensure you have no leaks but the sensor is on the front of the engine between the exhaust pipes, and on the outlet hose to the return tank

Dec 06, 2009 | 2003 Volkswagen Passat

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The car is having overheating problem,its not battery(change top gasket)

Aug 09, 2009 | 1996 Volkswagen Passat

1 Answer

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i would have your idle air control solenoid replaced and also check for vacuum leaks.thank for the question

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1 Answer

New battery in 03 VW Passat, engine turns but will not start.

Possible flooding, cold weather can freez open injectors causing them to leak into the cylinders. Press the gass pedal all the way to the floor and crank the engine for no more than 60 seconds. The cylinders will clear themselves allowing proper mix of air/fuel and should start easy. If that does not solve please specify if the engine is 1.8l or 2.8l.

Jan 18, 2009 | 2003 Volkswagen Passat

1 Answer

1996 Passat Fuse box Diagram

Have you double checked the electronic switch type thermistat mounted on the radiator that senses the temperature of the anti freeze. You can jumper around the switch while the car is started and the fan should start running (watch your fingers).

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1 Answer

2002 VW fan stays on too long?

How does the temperature gauge read on your dash.. Is your car temp at 190 degrees while driving.. If its higher than 190 your overheating and that would cause the fan to cool her down.. good Luck

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