1999 Chevrolet Other Repair Question
Topics covered: Diesel, Engine, Compression.
Mileage: 200,000 miles.
Mileage: 200,000 miles.
Asked on August 30, 2011
Dieseling under lad
Changed plugs,wires,cap,rotor.fuel pressure is 55pds.the engine still does this dieseling under load.
Asked by hondaguyAnswer
Replied on August 30, 2011
try up grading your fuel it might help.one more thing hook a scaner to it and make sure it dont have any egr codes
Replied on August 30, 2011
What is model of vehicle, litre size of engine? If you have preignition, can be caused by a hot spot. I thought dieseling was with the key off? Check compression.
Replied on August 30, 2011
most newer cars have spark knock under control,unless it has a vac leak or a fuel, or egr flow issue.