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Wolfgang, VW Master Technician
Category: VW
Satisfied Customers: 4519
Experience:  Senior VW Master Tech 15 yrs
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How to reset my engine light on my 2005 Touareg? I had a oil

Customer Question

How to reset my engine light on my 2005 Touareg?
JA: Tell me a bit more about what's going on so he can help you best.
Customer: I had a oil change and put on an after market gas cap and my light keeps coming off and on.
JA: Are you hoping to fix this yourself?
Customer: Yes. If it doesn't work then the dealership
JA: Great! What have you tried so far?
Customer: New gas cap and oil change is when it started.
JA: Is there anything else the VW Mechanic should be aware of about your VW?
Customer: Nope. Runs great
JA: I'm sending you to a secure page on JustAnswer so you can place the $5 fully refundable deposit now. While you're filling out that form, I'll tell the VW Mechanic about your situation and connect you two.
Submitted: 1 year ago.
Category: VW
Customer: replied 1 year ago.
Ok I filled it out.
Customer: replied 1 year ago.
It's a V8
Expert:  Wolfgang replied 1 year ago.
Hello I'm Wolfgang. Did you have a scan test to see what codes are stored? Please let me know! Thanks
Customer: replied 1 year ago.
but I can't remember what it was. Dirty oil or timing. but just before it happened that day I was lost my gas cap and changed my oil which was way over due. Do that day I just changed it and bought a gas cap from auto zone. It runs great
Customer: replied 1 year ago.
I thought it was code 9900 not sure.
Customer: replied 1 year ago.
When I unseal the gas cap there not a sound of a tight seal I know. Plus just checked my air filers there pretty dirty
Expert:  Wolfgang replied 1 year ago.

9900 code is not a valid code. the code would be Pxxxx code or a 5 digit # . there are so many possibilities with a check engine light . need to narrow this down!!