why is my mpg so low???

125

Asked by Jun 30, 2009 at 01:24 AM about the Chevrolet Silverado 1500

Question type: Maintenance & Repair

i dont beat on my truck and and i put a chip in it for better gas milage i have a k&n filter and i just cleaned it but it still doesnt get any better gas milage, the check engine soon light has been on for over a year, i took my truck to a mechanic and he doesnt know whats going on..
i did get about 16 or 18 mpg when i bought this truck and 1 of my friends needed a vehicle so he used my truck, and since i got it back from him my truck gets about 5 mpg!!

2 Answers

75

Go to Auto Zone and they can tell you what your code is, go from there>

1 people found this helpful.
8,195

yep. thats what i would do too. diagnostic check is free there. also, im guessing that the chip is probably causing this problem. with a stock o2 sensor with the chip its probably throwing off a reading. might need a different o2 sensor with the chip. jsut a thought. autozone will be more help

1 people found this helpful.

Your Answer

Chevrolet Silverado 1500 Experts

  • #1
    John Carson
    Reputation
    3,450
  • #2
    Rowefast
    Reputation
    2,390
  • #3
    Andrew Olsen
    Reputation
    2,140
View All

Related Models For Sale

Used GMC Sierra 1500
722 Great Deals out of 58,462 listings starting at $1,900
Used Ford F-150
2,344 Great Deals out of 215,478 listings starting at $1,300
Used Chevrolet Silverado 2500HD
361 Great Deals out of 29,860 listings starting at $2,500
Used Dodge Ram 1500
316 Great Deals out of 9,549 listings starting at $800
Used Toyota Tundra
478 Great Deals out of 38,526 listings starting at $1,999
Used Ram 1500
901 Great Deals out of 119,059 listings starting at $5,995
Used Toyota Tacoma
439 Great Deals out of 44,078 listings starting at $1,995
Used Chevrolet Tahoe
528 Great Deals out of 36,658 listings starting at $1,375
Used Chevrolet Colorado
295 Great Deals out of 41,685 listings starting at $1,900
Used Ford F-250 Super Duty
374 Great Deals out of 42,218 listings starting at $1,600
Used Chevrolet Camaro
224 Great Deals out of 28,924 listings starting at $3,900
Used GMC Sierra 2500HD
142 Great Deals out of 15,260 listings starting at $3,500
Used Dodge Charger
243 Great Deals out of 32,692 listings starting at $1,800
Used Ford Mustang
270 Great Deals out of 37,084 listings starting at $2,150
Used Chevrolet Silverado 2500
3 Great Deals out of 212 listings starting at $4,495

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.