When on steady advises driver of ABS fault. The eight most common signs your car nees a Tune-up . The culprit could be a starting sensor on EFI models or the choke mechanism on carburator equipped models. To make diagnosis easier, make note of when it happens and advise your technician. The engine keeps chugging and coughing for several seconds or more after the ignition is turn off.
Causes can range from inferion gas to excessive idle speed.
Carbon in the combustion chamber also cause dieseling. The odor can be due to an engine problem or it can be a sign your car's catalytic converter or EGR valve is malfuctioning. For more information about the odors, please prefer to the odors section. It also can be due to an internal engine condition, such as a bad valve or piston. This sound can be heard during acceleration as a high-pitched rattling or clicking in the upper part of a cylinder.