i have a 94 silverado that idles fine in park but trys to stall out in drive or reverse.

Asked by Monty Dec 07, 2014 at 04:45 PM about the Chevrolet Silverado 1500

Question type: Maintenance & Repair

I have changed the entire fuel system from the tank to the (TBI) along with the distributer, cap, rotor, plugs, wires,

1 Answer

10,985

Have you checked the vacuum line to the vacuum modulator on the transmission? When you put the transmission in Drive or Reverse, it sends vacuum to the diaphram on the modulator and if there' s a leak in the vacuum line, it's going to make the engine run like crap a low speeds.

Your Answer:

CarGurus Experts

  • #1
    Rowefast
    Reputation
    10,400
  • #2
    John Carson
    Reputation
    9,570
  • #3
    Andrew Olsen
    Reputation
    9,420
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used GMC Sierra 1500
132 Great Deals out of 8,251 listings starting at $3,000
Used Ford F-150
314 Great Deals out of 13,742 listings starting at $3,800
Used Chevrolet Silverado 2500HD
33 Great Deals out of 1,683 listings starting at $3,000
Used RAM 1500
490 Great Deals out of 20,790 listings starting at $3,500
Used Toyota Tundra
33 Great Deals out of 984 listings starting at $10,698
Used Dodge RAM 1500
3 Great Deals out of 90 listings starting at $2,500
Used Toyota Tacoma
44 Great Deals out of 742 listings starting at $9,975
Used Chevrolet Tahoe
13 Great Deals out of 822 listings starting at $9,980
Used Chevrolet Colorado
40 Great Deals out of 1,211 listings starting at $4,995
Used GMC Sierra 2500HD
36 Great Deals out of 2,200 listings starting at $3,000
Used Chevrolet Camaro
13 Great Deals out of 468 listings starting at $11,749
Used Ford F-250 Super Duty
24 Great Deals out of 786 listings starting at $4,290
Used Dodge Charger
28 Great Deals out of 907 listings starting at $5,995
Used RAM 2500
67 Great Deals out of 2,535 listings starting at $6,995
Used Ford Mustang
37 Great Deals out of 1,639 listings starting at $8,800

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.