power shuts off and on for seconds as I push the gas pedel?

10

Asked by Mar 25, 2018 at 12:32 PM about the 1999 GMC Sonoma

Question type: Maintenance & Repair

only after the car is warm will the car feel like it lost power completely and come right back.  This only happens as I push on the gas.  It never has shut off on me. Always starts. its just like someone taps the breaks on me as I'm pushing on the gas. Any ideas what to fix?

2 Answers

1,670

When problem happens do you lose all electricals, the instrument cluster goes dead for a second or so? How long since a tune-up? Any applicable trouble codes? Around here some of the national brand auto stores will check codes for free, if there are any? Your throttle valve regulates air, your throttle position sensor lets the computer know what your doing with throttle. At idle, my info says for the tps around .47 volts. You can use a digital multimeter on tps sensor signal circuit, key on, don't need to start it, move throttle up and down by hand, see if the voltage moves up and down smoothly. If there are any hitches or dead spots, you have a problem. Certainly, there could be other issues. I don't know what testing you have done?

10

had tune up 3wks ago, No codes pop up. and from what I know none of the electric goes out. I will try to get a digital multimeter and a video to see how to hook it on the tps sensor signal circuit. hopefully there is a problem with tps sensor and its a simple change and done truck fixed. just put in a fuel pump right now and problem still exist

Your Answer:

GMC Sonoma Experts

  • #1
    parkle
    Reputation
    790
  • #2
    Mike Bonnell
    Reputation
    510
  • #3
    James Mayfield
    Reputation
    320
View All

Related Models For Sale

Used Chevrolet S-10
5 Great Deals out of 906 listings starting at $995
Used Ford Ranger
112 Great Deals out of 4,212 listings starting at $995
Used GMC Sierra 1500
652 Great Deals out of 56,460 listings starting at $1,500
Used Chevrolet Silverado 1500
1,837 Great Deals out of 155,600 listings starting at $1,799
Used Ford F-150
2,266 Great Deals out of 187,689 listings starting at $495
Used Toyota Tacoma
459 Great Deals out of 50,124 listings starting at $2,850
Used Nissan Frontier
278 Great Deals out of 20,454 listings starting at $1,295
Used Dodge Dakota
88 Great Deals out of 2,998 listings starting at $1,200
Used Dodge Ram 1500
328 Great Deals out of 8,863 listings starting at $2,495
Used Toyota Tundra
469 Great Deals out of 36,890 listings starting at $2,499
Used Chevrolet Camaro
306 Great Deals out of 26,931 listings starting at $2,500
Used Ford Explorer
933 Great Deals out of 71,647 listings starting at $495

Used Cars For Sale

2003 GMC Sonoma For Sale
66 listings starting at $2,900
2002 GMC Sonoma For Sale
60 listings starting at $2,995
2001 GMC Sonoma For Sale
41 listings starting at $2,995
2000 GMC Sonoma For Sale
37 listings starting at $4,481
1999 GMC Sonoma For Sale
14 listings starting at $4,500

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.