I replaced a TPS and now my van won't downshift

Asked by BigSack Sep 09, 2015 at 03:17 PM about the 2003 Chevrolet Express 1500 RWD

Question type: Maintenance & Repair

My van was running very rough and the check engine light came on. Went to auto zone and the error was for the throttle position sensor. I replaced it and my van does run smoother but it won't downshift for passing and it dies when I drive in reverse.

1 Answer
189,525

Paul answered 9 years ago

I know you replaced the TPS. to see if it is working correct you will need a volt meter to test it. With the ignition on, check the voltage on the TPS. It will vary as you move it. The voltage should increase or decrease in a smooth line. If it does not move smoothly you the TPS you have may be defective. I don't know what the volts should be you will need to refer to the shop manual for the correct voltage readings for your specific vehicle.

Mark helpful

Your Answer:

Related Questions

Shortcuts

Search Chevrolet Express Questions

CarGurus Experts

  • #1
    Sarai Sanchez
    Reputation
    640
  • #2
    Rowefast
    Reputation
    590
  • #3
    tenspeed
    Reputation
    490
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Express Cargo
13 Great Deals out of 391 listings starting at $989
Used GMC Savana
44 listings starting at $19,900
Used Chevrolet Express Chassis
6 Great Deals out of 70 listings starting at $8,690
Used Ford E-Series
5 Great Deals out of 142 listings starting at $2,495
Used GMC Savana Cargo
25 Great Deals out of 421 listings starting at $8,800
Used Ford Transit Cargo
49 Great Deals out of 1,285 listings starting at $9,499
Used Chevrolet Suburban
8 Great Deals out of 584 listings starting at $15,900
Used Mercedes-Benz Sprinter
13 Great Deals out of 938 listings starting at $14,999
Used Ford F-150
309 Great Deals out of 13,933 listings starting at $1,712
Used Ford E-Series Chassis
3 Great Deals out of 101 listings starting at $9,990
Used Chevrolet Silverado 1500
195 Great Deals out of 5,877 listings starting at $2,975
Used Chevrolet Silverado 2500HD
27 Great Deals out of 1,241 listings starting at $9,500

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. Content will be removed if CarGurus becomes aware that it violates our policies.