99 chevy c1500 5.7 vortec dies and I'm ready to kill it

Asked by Tim Aug 16, 2023 at 02:44 PM about the 1999 Chevrolet C/K 1500 LS Extended Cab RWD

Question type: Maintenance & Repair

1999 vortec 5.7. Runs fine
until just before getting to
operating temp, starts
missing,  backfiring through
the exhaust then finally dies.
No start until completely
cold,or the next day. I've
replaced all the usual
suspects from fuel pump to
sensors. Help??

5 Answers
311,375

Gene answered about a year ago

Has live data shown anything just before it dies out. I suspect a cam or crank sensor is going open due to thermal breakdown, I have seen a few ECM’s also do the same thing. That would show on a data scan.

Mark helpful
158,565

James answered about a year ago

Ignition coil, Ignition control module, coolant temperature sensor. Hope that helps! Jim

Mark helpful

Your Answer:

Related Questions

  • 99 chevy c1500 5.7 vortec dies and I'm ready to kill it 5 Answers

    1999 vortec 5.7. Runs fine until just before getting to operating temp, starts missing, backfiring through the exhaust then finally dies. No start until completely cold,or the next day. I've r...

    1999 Chevrolet C/K 1500 LS Extended Cab RWD

    -

    Maintenance & Repair

  • i have a 97 chevy 1500 5.7 vortec and it runs choppy at idle 7 Answers

    i have a 97 chevy 1500 5.7 vortec and it runs choppy at idle and when taking off but pulls out of it at 1500rpms but when it shifts it boughs until 1500rpms again and at highway speed i cant run ove...

    1997 Chevrolet C/K 1500 WT RWD

    -

    Maintenance & Repair

  • 95 chevy c1500 5.7 4 Answers

    I have replace all gaskets from heads up.ecm.map.iact. coolint tem.oil presser switch. Heated02 fual. Pump. Battery. Spark plugs and wires. Water pump . Coil. Ign switch. Full brake system and...

    1995 Chevrolet C/K 1500 Silverado Extended Cab Stepside RWD

    -

    Maintenance & Repair

  • 1989 5.7 Chevy c1500 8 Answers

    (No spark, no fuel) Iv just gotten this truck about a month ago. This truck runs excellent. Starts up and drives like a beauty. Does not hesitate to start. I live in Kansas so it gets pretty col...

    1989 Chevrolet C/K 1500 Silverado LB RWD

    -

    Maintenance & Repair

  • 1997 Chevy c1500 with 5.7 vortec won’t fire off 8 Answers

    Ok so here goes, I bought this pickup about a month ago and had to have it pulled home because it wouldn’t start I have replaced the following parts Distributor, cap and rotor, coil, ignition module,...

    1997 Chevrolet C/K 1500 Silverado RWD

    -

    Maintenance & Repair

C/K 1500

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

CarGurus has 4 nationwide C/K 1500 listings and the tools to find you a great deal.

Postal Code:

Shortcuts

Search Chevrolet C/K 1500 Questions

CarGurus Experts

  • #1
    Andrew Olsen
    Reputation
    16,010
  • #2
    Rowefast
    Reputation
    9,730
  • #3
    John Saffrahn
    Reputation
    6,510
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Silverado 1500
170 Great Deals out of 5,591 listings starting at $4,500
Used GMC Sierra 1500
122 Great Deals out of 5,233 listings starting at $3,475
Used Ford F-150
253 Great Deals out of 13,599 listings starting at $1,995
Used Chevrolet Silverado 2500HD
24 Great Deals out of 1,043 listings starting at $8,999
Used Chevrolet S-10
1 listing
Used Toyota Tacoma
57 Great Deals out of 1,122 listings starting at $8,977
Used Chevrolet Tahoe
13 Great Deals out of 671 listings starting at $4,998
Used Chevrolet Corvette
23 Great Deals out of 1,055 listings starting at $14,888
Used Dodge RAM 1500
3 Great Deals out of 67 listings starting at $4,000
Used Chevrolet Camaro
19 Great Deals out of 268 listings starting at $6,995

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.