ALTROZ SERVICE MANUAL

1.2L REVOTRON ENGINE 8 2. TROUBLESHOOTING 1. Starting Problems Condition Possible Cause Remedy Engine does not crank Insufficient battery voltage/charge test battery and charging system.  Clean and tighten battery connections.  Jump start engine.  Battery or charging system component faulty. Replace as necessary. Engine starter motor defective.  Repair or replace starter as necessary. Immobilizer system defective. (as equipped)  Inspect system and repair as necessary. Engine components seized.  Inspect engine components for seizure.  Attempt to rotate crankshaft by hand.  Overhaul engine as necessary. Fuses blown out (if any)  Check for blown fuse. Replace the fuses if damaged. Engine cranks but does not start Obstructed air filter or air inlet.  Clean or replace air filter or inlet. Incorrect valve/ignition timing or timing belt broken.  Check timing system components and repair or replace as necessary. Faulty spark plugs, wires or ignition coil.  Check ignition system components for proper operation. Replace as necessary. Malfunctioning engine management system component. (exhaust sensors and actuators)  Perform engine management system diagnostic test as described in this section of the manual. Defective Engine Control Unit (ECU)  Replace as necessary. Malfunctioning emissions system component.  Check tank pressure valve, purge canister valve and charcoal canister. Repair or replace as necessary. Clogged or faulty fuel filter, fuel regulator, fuel line or fuel pump.  Check fuel system components, repair or replace as necessary Clogged or faulty fuel injectors  Check fuel injector operation. Replace as necessary.