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The code PO420 for a 2004 VW Passat indicates a "Catalytic Converter Efficiency Below Threshold (Bank 1)" error. This suggests that the catalytic converter is not performing as efficiently as it should, which can lead to increased emissions. Possible causes include a faulty catalytic converter, issues with the oxygen sensors, or exhaust leaks. It's advisable to have the vehicle inspected to determine the exact cause and necessary repairs.
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How many valves does the 2004 VW Passat have?
The 2004 Volkswagen Passat has 20 valves.
What size engine does the 2004 VW Passat have?
The 2004 Volkswagen Passat has an inline 4 engine.
Is the 2004 VW Passat electric or gas?
The 2004 Volkswagen Passat is a gas-powered vehicle.
How to program key on vw passat 2004?
In order to program a key on a 2004 VW Passat, you need to first put the existing key in the ignition.
What is the drag coefficient of the 2004 VW Passat?
The 2004 Volkswagen Passat has a drag coefficient of 0.27 Cd.
What is the turning circle of the 2004 VW Passat?
The 2004 Volkswagen Passat's turning circle is 37.4 ft..
How tall is the 2004 VW Passat?
The height of the 2004 Volkswagen Passat is 4 ft. 9.6 in. (57.6 in.).
How long is the 2004 VW Passat?
The 2004 Volkswagen Passat is 15 ft. 5.2 in. (185.2 in.) long.
What is the cam type of the 2004 VW Passat?
The 2004 Volkswagen Passat has double overhead cam (DOHC).
Where is the oil drain plug for a 2004 VW passat?
Where is the oil drain plug for 2004 VW Golf
What is the drivetrain warranty on the 2004 VW Passat?
The drivetrain warranty of the 2004 Volkswagen Passat is 5 yr./ 60000 mi..
What is the front track of the 2004 VW Passat?
The front track of the 2004 Volkswagen Passat is 4 ft. 11.6 in. (59.6 in.).
