noise,regardless of
engine speed.Loose or damaged drive plate.
Repair or replace the drive plate.
Damaged oil pan, contacting the oil pump
screen. a.
Inspect the oil pan.
b. Inspect the oil pump screen.
c. Repair or replace as required.
Oil pump screen loose, damaged or
restricted. a.
Inspect the oil pump screen.
b. Repair or replace as required.
Excessive piston- to- cylinder bore clearance. a.Inspect the piston, piston pin and cylinder
bore.
b. Repair as required.
Excessive piston pin- to- piston clearance. a.Inspect the piston, piston pin and the
connecting rod.
b. Repair or replace as required.
Excessive connecting rod bearing clearance Inspect the following components and repair
as required.
a. The connecting rod bearings.
b. The connecting rods.
c. The crankshaft pin journals.
Excessive crankshaft bearing clearance. Inspect the following components, and repair
as required.
a. The crankshaft bearings.
b. The crankshaft main journals.
c. The cylinder block.
Incorrect piston, piston pin and connecting rod
installation a.
Verify the piston pins and connecting rods
are installed correctly.
b. Repair as required.
Engine noise under
load. Low oil pressure
Repair or replace as required.
Excessive connecting rod bearing clearance . Inspect the following components and repair
as required :
a. The connecting rod bearings.
b. The connecting rods.
c. The crankshaft.
Excessive crankshaft bearing clearance. Inspect the following components, and repair
as required.
a. The crankshaft bearings.
b. The crankshaft main journals.
c. The cylinder block.
Engine will not crank-
crankshaft will not
rotate. Hydraulically locked cylinder.
a. Coolant/antifreeze in cylinder.
b. Oil in cylinder.
c. Fuel in cylinder. a.
Remove spark plugs and check for fluid.
b. Inspect for broken head gasket.
c. Inspect for cracked engine block or
cylinder head.
d. Inspect for a sticking fuel injector and/or
leaking fuel regulator.
Broken timing chain and/or timing chain
and/or timing chain gears. a.
Inspect timing chain and gears.
b. Repair as required.
Material in cylinder. a. Broken valve
b. Piston material
c. Foreign material a.
Inspect cylinder for damaged components
and/or foreign materials.
b. Repair or replace as required.
2007 > 2.7L V6 GASOLINE >
TROUBLE SHOOTING
IGNITION SYSTEM
Symptom Suspect area Remedy
Engine will not start or
is hard to start
(Cranks OK) Ignition lock switch
Inspect ignition lock switch, or replace as required
Ignition coil Inspect ignition coil, or replace as required
Spark plugs Inspect spark plugs, or replace as required
Ignition wiring disconnected or broken Repair wiring, or replace as required
Rough idle or stalls Ignition wiring Repair wiring, or replace as required
Ignition coil Inspect ignition coil, or replace as required
Engine hesitates/poor
acceleration Spark plugs and spark plug cables
Inspect spark plugs / cable, or replace as required
Ignition wiring Repair wiring, or replace as required
Poor mileage Spark plugs and spark plug cables Inspect spark plugs / cable, or replace as required
CHARGING SYSTEM Symptom Suspect area Remedy
Charging warning
indicator does not
light with ignition
switch "ON" and
engine off. Fuse blown
Check fuses
Light burned out Replace light
Wiring connection loose Tighten loose connection
Electronic voltage regulator Replace voltage regulator
Charging warning
indicator does not go
out with engine
running. (Battery
requires frequent
recharging) Drive belt loose or worn
Adjust belt tension or replace belt
Battery cable loose, corroded or worn Inspect cable connection, repair or replace
cable
Electronic voltage regulator or alternator Replace voltage regulator or alternator
Wiring Repair or replace wiring
Overcharge Electronic voltage regulator Replace voltage regulator
Voltage sensing wire Repair or replace wiring
Discharge Drive belt loose or worn Adjust belt tension or replace belt
Wiring connection loose or short circuit Inspect wiring connection, repair or replace
wiring
Electronic voltage regulator or alternator Replace voltage regulator or alternator
Poor grounding Inspect ground or repair
Worn battery Replace battery
STARTING SYSTEM Symptom Suspect area Remedy
Engine will not crank Battery charge low Charge or replace battery
Battery cables loose, corroded or
worn out Repair or replace cables
Transaxle range switch (Vehicle with
automatic transaxle only) Refer to TR group - automatic transaxle
