Check engine light on 2003 VW Golf GTI

Asked by Bongoman Feb 27, 2013 at 02:09 PM about the 2003 Volkswagen Golf GTI 1.8T 20th Anniversary Edition 2-Door FWD

Question type: Maintenance & Repair

re: Check engine light came on last night

I have a 2003 VW Golf GTI 20th anniversary edition. Yesterday, while the engine was idling it was not idling smoothly and it seemed the idles dipped a bit before going up again. This happened a few times. Now the check engine light is on. The car was parked outside on the dealer's lot while it was in for repair. Could this be from condensation in the fuel line or moisture getting into the fuel system? The exhaust smells a bit. It was at a half tank so I filled it up last night and drove on the highway for 10 mins. It seemed to run okay. Today it started up fine and I drove it around the block without any weird idling issues. Any ideas what this could be from?

5 Answers

Bongoman answered 12 years ago

It was sitting in the dealer's lot while the car was in for bumper repair - not for engine work.

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tenspeed answered 12 years ago

Get the codes read to see why the CEL was on.

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Bongoman answered 12 years ago

What is the best code reader for VW vehicles? My dealer just told me on the phone that most code readers will give a catalytic converter error when it is not the right diagnosis.

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Bongoman answered 12 years ago

Just did some research: It looks like Rosstech makes the best VAG-COM scanners. http://store.ross-tech.com/shop/cat/IC.html Is this what you guys use to diagnose VW cars? Any suggestions are welcome.

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Nick answered 12 years ago

stop at your local car parts place have them hook up their OBDII scan tool with it set to the VW seting and have them read the codes. For the most part any OBDII scan tool will work.

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