2CarPros - Car Questions & Answers

1986 Chevrolet Suburban Repair Question


Topics covered: Distributor, Engine, Engine performance.
Mileage: No information provided.

Asked on June 11, 2010

1986 Chevy Suburban knocks and pings

Engine Performance problem
1986 Chevy Suburban V8 Four Wheel Drive Automatic 93000 miles

my 86 chevy K20 is knocking and pinging and I have never had a problem with it doing this befor on 87 octane I recently rebuilt the carb could it be running to lean or timing advanced to far?
Avatar Asked by kwstine86

Answer

Replied on June 12, 2010

Hi there,

you need to check mixtures , timing, vacuum leaks, distributor operation, start here.

mark.

Tiny Answered by mhpautos (expert)
26,882 answers provided