I have a 1978 Chevy C20 3/4 ton with a 350. When trying to turn the motor off it tries to keep running. Any opinions?

Asked by Nov 23, 2015 at 01:15 PM about the 1978 Chevrolet C/K 20

Question type: Maintenance & Repair

1 Answer

22,310

Being that year with the kind of gas they sale these days your vehicle is experiencing spark knock. Low octane gas will cause this try using the middle grade gas or add some octane booster to low octane gas.

1 people found this helpful.

Your Answer:

Chevrolet C/K 20 Experts

  • #1
    F_O_R
    Reputation
    100
  • #2
    kayzen
    Reputation
    80
  • #3
    Runningfree1988
    Reputation
    60
View All

Related Models For Sale

Used Chevrolet C/K 10
291 listings
Used Chevrolet C/K 30
12 listings
Used Ford F-150
2,356 Great Deals out of 208,287 listings starting at $998
Used Ford F-250
396 listings starting at $4,995
Used Chevrolet Camaro
233 Great Deals out of 27,353 listings starting at $2,077
Used Chevrolet Blazer
704 listings starting at $900
Used Chevrolet Suburban
322 Great Deals out of 22,585 listings starting at $1,900
Used Dodge Charger
278 Great Deals out of 32,116 listings starting at $1,850

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.