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6.0
fairly significant- Typical Repair Cost:
- No data
- Average Mileage:
- 125,000 miles
- Total Complaints:
- 1 complaints
Most Common Solutions:
- not sure (1 reports)
engine problem
Helpful websites
- No one has added a helpful site for this 1999 C/K 1500 problem yet. Be the first!
A D V E R T I S E M E N T S
At interstate highway speeds and towing, I get a Check Engine light flash then stay on. "Multiple Cylinder Misfire" code come up when checked. I changed spark plugs, plug wires, dist. cap, and rotor. Fuel pump tests ok. Still comes up. Changed fuel filter, air filter, and used 2 bottles of fuel injector cleaner in 2 different tanks of gas. Still comes up. At regular speeds with no load I don't have any problem. When the tach gets over 3000 RPMs, the problem shows.
- Glenn G., Memphis, TN, US