Question about Volkswagen Jetta
2000 Volkswagon Jetta with 2.0 L Engine
Problem: Check Engine light with the
5 different OBD II Codes
I've checked all the fuses including the #43 and cleared the codes with my OBD code reader but it comes right back on as soon as I turn the engine on
Any help will be appreciated.
Thank you very much in advance.
Check Engine Light (CEL) could mean different problems. You need to take your car to a mechanic or a dealer. The technician at
the dealership or a garage will then hook up the scanner to the car
computer and retrieve the stored trouble code(s). Then he (she) will
look it up in the service manual provided by a car manufacturer.
The service manual contains the list of possible codes (about few
hundreds) and describes what each code means and what needs to be
tested. The code itself doesn't tell exactly what component is
defective - it only indicates where to look, what engine parameter is
out of normal range. The technician will have to perform further
testing to pinpoint a defective part.
Have a great day!
Posted on Oct 01, 2009
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Posted on Jan 02, 2017
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From model year 1996, vehicles manufactured for the North American market are equipped with a Government required diagnostic system known as On-Board Diagnostics II (OBD II). This system monitors operation and function of all engine management system activity and automatic transmission operation to insure compliance with specified emission levels.
Vehicle emission levels are constantly monitored by the OBD II system and malfunctions are recognized and recorded. A Malfunction Indicator Light (MIL) in the instrument cluster alerts the driver to the fault and the need to have the system checked for fault codes. These codes follow a standard format and are known as Diagnostic Trouble Codes (DTCs).
DTCs are assigned two codes. The first code is a numerical code assigned by the factory. The second code is referred to as a P-code and follows a structure required by law and defined by the Society of Automotive Engineers (SAE). This standard uses a letter to designate the system and four numbers to further identify and detail the malfunction as listed below.
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