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P0300 and P0304 codes question

2K views 1 reply 1 participant last post by  fruitcakesa 
#1 ·
My daughter's 04 Golf 2.0 had been sitting for 2 weeks. I started it the other day and it ran quite rough and noisily with the CEL flashing:surprise:
I pulled it into the garage, hooked up VCDS and got the codes in the title.
I checked the plug wires and they were on solidly.
The car has new coil, plugs and wires.
I cleared the codes and took it for a drive.
The car runs fine and CEL has not returned.
Would sitting for that time somehow caused the codes to be set or what?
Thanks.
 
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