P0442 (EVAP emission system leak detected small leak) It could be a pin hole leak in any part of the fuel system, from the gas cap all the way to the vacuum lines on the intake manifold. A service shop has a tool to pressurize the system with "smoke" to locate source of leak.
5x100
Speed regulation: adaptation limit reached
I have a 99 jetta, and you are unable to check the transmission fluid on your own. You will have to take it to a service station where they will check it for you for free.
In a 1999 Volkswagen Jetta, the transmission control module (TCM) is typically located beneath the dashboard on the driver's side, near the steering column. It may be mounted to the vehicle's body or behind the fuse box. For easier access, you might need to remove the lower dash panel or cover. Always refer to the vehicle's service manual for specific instructions and diagrams.
P0422 talks about catalyst efficiency. P0300 is random multiple misfires. http://www.troublecodes.net/OBD2/Pcodes.shtml
Yes , according to the Gates website ( they make timing belts etcetera ) the 2.0 liter four cylinder engine in a 1999 Volkswagen Jetta ( IS AN INTERFERENCE ENGINE )
The check engine light has to be reset with a OBD scan tool
Up behind the fan under the passenger side airbag
Drivers side of the radiator, down towards the bottom. It will have a three wire plug on the end.
The Volkswagen Bora was first released in 1999, and it was produced in the United States, Canada, and Europe for seven years until 2005. The Bora is a later version of the Volkswagen Jetta.
This spec can be found in the manual.. I use Full Synthetic 5w-30 in my 1999.5(newer body style)
To find the radio code for a 1999 Volkswagen Jetta, you can check the owner's manual, as the code is often listed there. If the manual is unavailable, the code may also be found on a card that came with the original paperwork. Alternatively, you can retrieve the code by contacting a Volkswagen dealership or using an online service that requires your vehicle's VIN and radio serial number.