MIL light on every 2 weeks

Asked by Oct 17, 2014 at 07:42 AM about the 2009 Volkswagen CC Sport

Question type: Maintenance & Repair

Hi, I have a 2009 CC sport which I absolutely love. MIL light goes on every 2 weeks with codes P0171 : $07E8 every time. The problem first started last year, when I took it to the dealer, who changed fuel pump, the problem resolved for few days. Since this time I have been using the Shell's highest price gas. MIL showed up again, when I was told there is carbon deposition and asked to use the fuel injector cleaning for 3 full fuel tanks. MIL came back on, this time dealer said, they would have to go in manually and clean up the carbon, which I got it done. Later the MIL came back again in 2 months, since than I have paid a visit to the dealer about 3-4 times with MIL, which comes on for me but they cannot reproduce the same and cannot find any problem with the car.

At this point, MIL comes on once ever 1-2 days with the P0171 : $07E8 code, car runs fine. MIL clears by next day. Please suggest what could be the problem, do I need to worry about this?

1 Answer

http://www.obd-codes.com/p0171 Faulty signal from O2 sensor, BUT does NOT mean O2 sensor is bad. Read up at that site for causes and solutions. Un-metered air ..vacuum leak...MAF sensor...many others.

Your Answer

Volkswagen CC Experts

  • #1
    Deathjam4
    Reputation
    380
  • #2
    johnsok
    Reputation
    350
  • #3
    Kelly Mayo
    Reputation
    220
View All

Related Models For Sale

Used Volkswagen Passat
351 Great Deals out of 19,960 listings starting at $1,400
Used Volkswagen Jetta
580 Great Deals out of 33,851 listings starting at $1,295
Used BMW 3 Series
1,035 Great Deals out of 32,841 listings starting at $999
Used Audi A4
256 Great Deals out of 11,822 listings starting at $199
Used Honda Accord
1,020 Great Deals out of 56,655 listings starting at $899
Used Toyota Camry
916 Great Deals out of 79,531 listings starting at $750
Used Volkswagen GTI
123 Great Deals out of 8,215 listings starting at $2,100
Used Mercedes-Benz C-Class
685 Great Deals out of 28,008 listings starting at $1,000
Used Dodge Charger
420 Great Deals out of 28,042 listings starting at $2,490
Used Nissan Maxima
272 Great Deals out of 22,803 listings starting at $1,499
Used BMW 5 Series
460 Great Deals out of 15,835 listings starting at $1,995
Used Ford Mustang
592 Great Deals out of 36,158 listings starting at $1,800
Used Ford Fusion
927 Great Deals out of 67,808 listings starting at $1,900
Used Nissan Altima
949 Great Deals out of 77,032 listings starting at $1,000
Used Volkswagen Tiguan
197 Great Deals out of 19,119 listings starting at $4,500

Used Cars For Sale

2017 Volkswagen CC Sport For Sale
428 listings starting at $22,998
2016 Volkswagen CC Sport For Sale
49 listings starting at $17,946
2015 Volkswagen CC Sport For Sale
17 listings starting at $12,491
2014 Volkswagen CC Sport For Sale
40 listings starting at $12,988
2013 Volkswagen CC Sport For Sale
62 listings starting at $7,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.