Buick Lesabre starting stalling, extremely high idle and the smell of burning rubber under hood
Jan 21, 2011 at 3:53 PM
RASMATAZ
✓Experienced Mechanic
75,988 POSTS
Engine running rough or misfiring can be cause by the following:
1.Defective spark plug.
2.Inadequate spark/coil,defective spark plug wire.
3.Lack of compression
4.Vacuum leak
5.Fautly fuel injectors.
6.Insufficient fuel pressure.
7.Contaminated fuel.
8.EGR valve that is leaking.
9.Oxygen sensors.