Hello, my check engine light came on today and I didn't notice anything weird until after driving home. When I put my car in park and let it idle, it began to go below 1000rpm to 800 rpm then back up above 1000rpm. The engine seemed to be moving when it went really low as if it was trying to keep itself steady. Just wondering if you had any ideas as to what the source might be from. I know there is an air leak but not sure where. I have a feeling it has to so with my turbo cause it seems like more air is going in when I drive as if its pushing the car back when I move forward. Hope this makes sense. Just needing a few ideas if possible. Thank you

Jc0110
0

Asked by Jc0110 Feb 05, 2013 at 11:38 PM about the 2007 Volkswagen Jetta GLI

Question type: Maintenance & Repair

2 Answers

tenspeed
51,735

First find and fix the vacuum leak. Second, get the codes read at the parts store and fix whatever is turning the CEL on. It might be coming on from the vacuum leak.

Greg0Linda2
245

Most common problems with the engine light are not serious at first. The light is just asking you to do a regular engine check. Your owners manual will define these check. If you don't have one than just remember that they all basically include the following: AIR FILTER (engine can't breath), OIL CHANGE (dirty oil will leave film deposits on censors causing a false positive), DIRTY FUEL (a fuel system cleaner should be used at every oil change to keep your fuel injectors and filter clean). All 3 of these will cause the problem you stated. The "air leak" needs to be fixed however, if it was there before this problem, then chances are it is not the cause.

2 out of 2 people think this is helpful.

Your Answer

Add photo

Related Questions

Search Volkswagen Jetta Questions

Volkswagen Jetta Experts

#1 Tom Demyan
Tom Demyan
Reputation 620
#2 Scott Sr.
Scott Sr.
Reputation 540
#3 grayj831
grayj831
Reputation 420
View All

Related Models For Sale

Used Volkswagen Passat"
523 Great Deals out of 26,111 listings starting at $1,500
Used Volkswagen Golf"
74 Great Deals out of 4,585 listings starting at $1,895
Used Honda Civic"
922 Great Deals out of 49,340 listings starting at $1,600
Used Volkswagen GTI"
117 Great Deals out of 4,079 listings starting at $2,989
Used Honda Accord"
1,444 Great Deals out of 66,644 listings starting at $995
Used Volkswagen Beetle"
358 Great Deals out of 10,789 listings starting at $1,495
Used Nissan Altima"
1,995 Great Deals out of 73,042 listings starting at $1,000
Used Audi A4"
335 Great Deals out of 9,280 listings starting at $1,800
Used Toyota Camry"
2,020 Great Deals out of 75,810 listings starting at $1,007
Used BMW 3 Series"
1,405 Great Deals out of 34,182 listings starting at $1,795
Used Toyota Corolla"
1,422 Great Deals out of 47,416 listings starting at $1,488
Used Mazda MAZDA3"
574 Great Deals out of 26,482 listings starting at $2,900
Used Ford Focus"
1,768 Great Deals out of 57,254 listings starting at $1,450

Used Cars For Sale

2014 Volkswagen Jetta GLI For Sale
77 listings starting at $22,000
2013 Volkswagen Jetta GLI For Sale
33 listings starting at $20,850
2012 Volkswagen Jetta GLI For Sale
37 listings starting at $15,998