Poor idling
Vacuum leaks. Refer to the appropriate section in
Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
Malfunctioning or
damaged ignition
system.
Refer to the appropriate section in
Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
Malfunctioning or
damaged fuel
system.
Refer to the appropriate section in
Group 303 for the procedure.
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
Damaged valve
tappet or lash
adjuster.
INSTALL a new valve tappet or lash
adjuster.
Damaged valve
tappet guide or lash
adjuster.
INSTALL a new valve tappet guide
or valve tappet.
Incorrect valve-tovalve
seat contact.
REPAIR or INSTALL a new valve or
valve seat.
Damaged head
gasket.
INSTALL a new head gasket.