Truck floods when starting

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

Question type: Maintenance & Repair

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

2 Answers

22,005

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

69,875

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.

Your Answer

Add photo

Related Questions

  • Issues with my 93 chevy cheyenne flooding and bogging out 2 answers

    My truck likes to bogg out, flood, and lose power going down the road, I have changed the fuel filter (which was still good) and just changed the 02 sensor. Took it for a drive and started bogging ...

    1993 Chevrolet C/K 1500 Cheyenne Standard Cab LB

    -

    Maintenance & Repair

  • Fuel pump 1 answer

    This past week and I had to change my ignition switch module after that I try to start it but it was still flooded with gas so I had to let it sit for a while and then eventually it started the nex...

    1988 Chevrolet C/K 1500

    -

    Maintenance & Repair

  • 1988 Chevy PU 4wd 5 answers

    Truck will start and run great. BUT, once I shut if off, it won't restart and the engine just sounds like it's flooding. I haven't replaced any parts yet because I'm not sure which one to start with...

    1988 Chevrolet C/K 1500

    -

    Maintenance & Repair

  • truck will not start, engine turns, but does not fire at all. 45 answers

    -completely stock V8 Vortek - Automatic -no codes -all plugs are getting spark, AFTER replacing ignition coil -checked 3/8 plugs, no fouling (they're a bitch to get to with my limited tools - assumed...

    1998 Chevrolet C/K 1500 Silverado Standard Cab SB

    -

    Maintenance & Repair

  • I replaced my fuel pump and now my car floods and i cant start it 1 answer

    I was having problems starting my car so I replaced the fuel pump. now my car floods and it wont start. its like the pump is pumping too much gas.

    2004 Chevrolet Impala Base

    -

    Maintenance & Repair

Search Chevrolet C/K 1500 Questions

Chevrolet C/K 1500 Experts

#1 Andrew Olsen
Andrew Olsen
Reputation 3,340
#2 John Saffrahn
John Saffrahn
Reputation 2,500
#3 Rowefast
Rowefast
Reputation 2,050
View All

Related Models For Sale

Used GMC Sierra 1500
819 Great Deals out of 68,199 listings starting at $2,484
Used Ford F-150
2,194 Great Deals out of 206,316 listings starting at $1,499
Used Chevrolet C/K 2500
214 listings starting at $2,250
Used Chevrolet C/K 3500
237 listings starting at $4,995
Used Chevrolet Camaro
226 Great Deals out of 30,943 listings starting at $1,217
Used Chevrolet S-10
10 Great Deals out of 1,345 listings starting at $1,395

Used Cars For Sale

1998 Chevrolet C/K 1500 For Sale
177 listings starting at $2,500
1997 Chevrolet C/K 1500 For Sale
141 listings starting at $3,895
1995 Chevrolet C/K 1500 For Sale
103 listings starting at $2,500

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.