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Obdii Vag
electronicschinawholesale VAG-COM v704.1 USB to OBDII Cable for Car Diagnostics
Audi 1.8t - Change ignition coil (VAG)
Ignition coil problems are somewhat common for the Audi A4 B6 and other VAG car owners.
The symptom of a faulty ignition coil is lack of power, a car that shakes during acceleration and a flashing check engine light.
Changing an ignition coil yourself is easy but the diagnostic work requires a OBDII Code Reader*. Many usable code readers are available online and will most likely turn out to be a good investment.
Proceture
1. Connect your OBD2 code reader to the connection in your Audi. It is probably located above the clutch pedal.
2. Read the error codes stored in your car according to the manual of the code reader and write down the codes.
3. Erase all error codes.
4. Check in the manual of the code reader which ignition coil that is faulty.
5. Open the hood and remove the plastic cover on top of the engine by turning the three screws a quarter turn and lifting the cover straight up.
6. Localize the faulty ignition coil. Ignition coil number 1 is closest to the front of the car and ignition coil no 4 is closest to the windscreen.
7. Remove the cable from the ignition coil.
8. Remove the ignition coil by pulling it straight up.
9. Replace the ignition coil.
10. Connect the cable.
11. Put the plastic cover back.
12. Start the car and take a test drive.
13. Create written <a href="http://www.carserviceschedule.com">Service documentation</a> for future reference.
http://www.carserviceschedule.com
*An OBDII code reader makes it possible for you to read and delete the error codes generated by your car when something has gone wrong. If you get a more advanced code reader you will also be able to get readouts from different systems in the car, for example manifold pressure and coolant temperature, although a basic model will be sufficient for most of us. OBDII readers can be found on ebay and your local car parts dealer.
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Frequently Asked Questions...
Good brand or website to buy OBDII Code reader?
looking into buying a good code reader for OBDII. i have a Volkswagen, a Vag-com would be the best choice but its really expensive for me right. i am looking into buying a nice simple budget scanner but don't know where to look exactly. i don't really know much on scanners so any help would be greatly appreciated.
I need obd2 my car is 2000. Obd1 is 95 and down. ILL deff. Check out pepboys. And if there are other places I csn check. A simple scan retrieve code, erase.
thank you frankie. now ive been looking at the actrons but dont know which model number would be right.
Answer:
Mine is an ACTRON scanner. It will scan, show the code number and tell what the code means. Several times it has pointed me in the exact direction. Once in a while it gives me a general idea of where the problem is.
I bought mine at a Pep Boys for around $150.00 on sale. This was several years ago so not sure what they are now. I swear by mine.
ADDITIONAL DETAILS:
I'm pretty sure any auto parts store would carry them. You might even check out Walmart or Target. They may be cheaper there.
The one I have is model #CP9135. It gives the code # (ie P0170) and below that, tells what it means (ie. Fuel Trim Malfunction, Bank 1) Mine is about 4 or 5 years old. Not sure if they still make this exact model, but it has been a good one.
Hope this helps and good luck
































































