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.
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