96 350 vortec back firing and loss of power

Asked by dusitnj81 Dec 26, 2014 at 02:26 PM about the 1996 Chevrolet C/K 1500 Cheyenne RWD

Question type: Maintenance & Repair

i have a 96 chevy 350 vortec. just changed the motor in it and cant get it to run right..it will
sit there and idle great when its it park...when i get out on the road it starts to loose power   
and back firing alot but only when i get to about 25-30 mph. help me under stand this.
took it to a shop they said i had a air leak in the intake,now there saying that  valves are
too tight...what is the problem?  you can email me at dustinjboshell@gmail.com...

3 Answers

no its not running hot at all... like i said i just bearly replace the motor with a long block from city motor supply in dallas tx...so its been at the shop for a week no and they keep telling me that its this and that but when the replace that part and put it back together its the same way as when i drop it off to them..... just trying to get some answers to why its doing this.... i read also about the cam retard offset... wouldnt that give them false codes if that was not set right???

20

I know this thread is from 4 years ago, but could the knock sensor pick up starter noises? And I have a misfire in cylinder 1

2 people found this helpful.

Your Answer:

C/K 1500

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

CarGurus has 6 nationwide C/K 1500 listings and the tools to find you a great deal.

Postal Code:

CarGurus Experts

  • #1
    Andrew Olsen
    Reputation
    15,950
  • #2
    Rowefast
    Reputation
    9,670
  • #3
    John Saffrahn
    Reputation
    6,480
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used GMC Sierra 1500
147 Great Deals out of 7,209 listings starting at $3,950
Used Ford F-150
338 Great Deals out of 15,311 listings starting at $1,712
Used Chevrolet S-10
3 listings starting at $12,975
Used Chevrolet Corvette
29 Great Deals out of 1,066 listings starting at $15,871
Used Chevrolet Camaro
12 Great Deals out of 312 listings starting at $9,499
Used Toyota Tacoma
56 Great Deals out of 1,060 listings starting at $8,708
Used Dodge RAM 1500
4 Great Deals out of 73 listings starting at $500
Used Chevrolet Tahoe
20 Great Deals out of 927 listings starting at $11,900

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.