TIBURON(GK) >2008 > G 2.7 DOHC > Engine Electrical System > General Information>Troubleshooting  
TROUBLESHOOTING
IGNITION SYSTEM
Trouble condition
Probable cause
Remedy
Engine cranks, but will not start or is hard to start.
Ignition coil faulty
High tension cable faulty
Spark plugs faulty
Incorrect immobilizer system
Ignition wiring disconnected or broken
Replace ignition coil
Replace high tension cable
Replace plugs
Adjust
Inspect and replace
Rough idle or stalling
Spark plugs faulty
Ignition wiring faulty
Ignition coil faulty
High gension cord faulty
Replace plugs
Replace wiring
Replace ignition coil
Relpace high tension cord
Engine hesitates/poor acceleration
Spark plugs faulty
Ignition wiring faulty
Replace plugs
Replace wiring
Poor fuel
Spark plugs faulty
Replace plugs

CHARGING SYSTEM
Trouble condition
Probable cause
Remedy
Charging warning indicator does not light with ignition switch "ON" and engine off
Fues blown
Light burned out
Wiring connection loose
Electronic voltage regulator faulty
Check fuses
Replace light
Tighten loose connections
Replace voltage regulator
Charging warning indicator does not go out with engine runing. (Battery requires fequent recharging)
Drive belt loose or worn
Battery cables loose, corroded or worn
Fuse blown
Fusible link blown
Electronic voltage regulator or alternator faulty
Wiring faulty
Adjust tension or replace cables
Repair or replace cables
Check fuses
Replace fusible link
Test alternator

Repair wiring
Discharged battery
Drive belt loose or worn
Wiring connection loose or open circuit
Fusible link blown
Warning indicator and pre-excitation resistor faulty
Poor grounding
Electronic voltage regulator or alternator faulty
Battery life
Adjust tension or replace drive belt
Tighten loose connection or repair wiring
Replace fusible link
Replace components

Repair
Test alternator

Replace battery
Overcharging
Electronic voltage regulator faulty
Voltage sensing wire faulty
Replace voltage regulator
Repair wire

STARTING SYSTEM
Trouble condition
Probable cause
Remedy
Engine will not crank
Battery charge low
Battery cables loose, corroded or worn
Transaxle range switch faulty (Vehicle with automatic transaxle only)
Fusible link blown
Starter motor faulty
Ignition switch faulty
Charge or replace battery
Repair or replace cables
Adjust or replace switch

Replace fusible link
Repair starter motor
Replace ignition switch
Engine cranks slowly
Battery charge low
Battery cables loose, corroded or worn
Starter motor faulty
Charge or replace battery
Inspect wiring and fix
Repair starter motor
Starter keeps running
Starter motor faulty
Ignition wiring faulty
Repair starter motor
Repair or replace
Starter spins but engine will not crank
Short in wiring
Pinion gear teeth broken or starter motor faulty
Ring gear teeth broken
Repair wiring
Repair starter motor

Replace flywheel ring gear or torque converter