Truck floods when starting

Asked by Dboyr1 May 13, 2016 at 05:33 AM about the 1991 Chevrolet C/K 1500 4WD

Question type: Maintenance & Repair

91 gmc sierra 5.7l tbi floods when starting and has
to be floored in order to start

3 Answers
45,165

jamnblues answered 8 years ago

25 years later, it might need some repairs- maybe a new throttle body?

4 people found this helpful.
Mark helpful
223,885

Rowefast answered 8 years ago

First check the fuel pressure, should be 9 to 13 lbs, and over 13 lbs when dead head checking. It may be the TBI needs to be rebuilt, fuel regulators go weak, injectors malfunction.

2 people found this helpful.
Mark helpful

Your Answer:

Related Questions

  • Truck floods when starting 3 Answers

    91 gmc sierra 5.7l tbi floods when starting and has to be floored in order to start

    1991 Chevrolet C/K 1500 4WD

    -

    Maintenance & Repair

  • Truck starting 5 Answers

    I bought a 1997 Cheyenne 305. Ran for two days had a little hesitation when speeding up at low speeds. Would not start next day. Replaced 4 plugs it started and sounded good. Replaced the other 4 woul...

    1997 Chevrolet C/K 1500 Cheyenne RWD

    -

    Maintenance & Repair

  • Truck sputters when accelerating. 1 Answer

    Replaced Distributor, plugs/wires, ignition module, coil, crank shaft sensor, cam shaft sensor, and cut the exhaust off to test. The truck is still sputtering when accelerating and the mechanic has...

    1997 Chevrolet C/K 1500 Silverado Extended Cab LB RWD

    -

    Maintenance & Repair

  • My truck won't start in cold weather unless I use starting fluid. 16 Answers

    My truck won't start in cold weather unless I use starting fluid. I've replaced the temp sensor, fuel filter and the pump is less than a year old. I was told it could be the maf sensor sending wro...

    1996 Chevrolet C/K 1500 Cheyenne 4WD

    -

    Maintenance & Repair

  • Truck turns over but will not start even with starting fluid 1 Answer

    Replaced the fuel pump, fuel filter and the fuel pump relay still want start. Checked where the fuel pump relay plugs in with a test meter, on pin #85 it was only get .20 volts when it should have ...

    1997 Chevrolet C/K 1500 Silverado Extended Cab 4WD

    -

    Maintenance & Repair

C/K 1500

Looking for a Used C/K 1500 in your area?

CarGurus has 225 nationwide C/K 1500 listings starting at $7,999.

ZIP:

Own this car?

Share your experience with others.

1991 Chevrolet C/K 1500

Write a car review

Review another car

Shortcuts

Search Chevrolet C/K 1500 Questions

CarGurus Experts

  • #1
    Andrew Olsen
    Reputation
    15,940
  • #2
    Rowefast
    Reputation
    9,670
  • #3
    John Saffrahn
    Reputation
    6,470
View All

Know more, shop wisely

Search

Related Models For Sale

Used GMC Sierra 1500
1,906 Great Deals out of 71,053 listings starting at $1,900
Used Ford F-150
6,392 Great Deals out of 167,087 listings starting at $1,199
Used Chevrolet C/K 2500
49 listings
Used Chevrolet Camaro
613 Great Deals out of 8,353 listings starting at $1,877
Used Chevrolet S-10
3 Great Deals out of 151 listings starting at $1,850
Used Chevrolet C/K 3500
55 listings
Used Chevrolet Corvette
761 Great Deals out of 14,507 listings starting at $1,000

Used Cars for Sale

1999 Chevrolet C/K 1500 For Sale
4 listings
1998 Chevrolet C/K 1500 For Sale
35 listings
1997 Chevrolet C/K 1500 For Sale
27 listings starting at $11,995
1996 Chevrolet C/K 1500 For Sale
28 listings
1995 Chevrolet C/K 1500 For Sale
26 listings

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.