Code p2177 popped up at emission test what does this mean ?

Asked by Feb 24, 2015 at 11:15 PM about the 2004 Volkswagen Jetta GL 2.0l

Question type: Maintenance & Repair

2 Answers

140

this system is to lean bank 1 you need to turn up the fuel

2 of 2 people found this helpful.
12,180

real common to get a vacuum leak. check vac hoses and pcv valve. MAF ,o2 sensors, fuel filter also possibilities, but I would check simple things first. how long since last tuneup?

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