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

17,300

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 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

Search Chevrolet C/K 20 Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

Chevrolet C/K 20 Experts

#1 FordNut
FordNut
Reputation 110
#2 F_O_R
F_O_R
Reputation 90
#3 kayzen
kayzen
Reputation 80
View All

Related Models For Sale

Used Ford F-150
3,035 Great Deals out of 207,199 listings starting at $1,990
Used Ford F-250
564 listings starting at $1,342
Used Chevrolet Blazer
1,297 listings starting at $2,000
Used Chevrolet Camaro
438 Great Deals out of 40,498 listings starting at $3,500
Used Ford F-100
153 listings

Used Cars For Sale