ALTROZ SERVICE MANUAL

1.2L REVOTRON ENGINE 10 Incorrect MAP sensor signal  Check and replace if necessary. Defective EMS ECU  Check using diagnostic tool. . Take corrective action. Clogged injector  Check for clogged injector. Take corrective action. 3. Poor Engine Performance Condition Possible Cause Remedy Maximum RPM -low 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. Obstructed air filter or air inlet  Clean or replace air filter or inlet. Improper grade or contaminated fuel  Rush fuel system with fresh, clean, fuel of the correct type. Replace fuel filter. Faulty spark plugs, wires, or ignition coil  Check ignition system components for proper operation. Replace as necessary. Malfunctioning engine management system component  Perform engine management system diagnostic test as described in this section of the manual. Fuel filter if clogged.  Replace the fuel filter. fuel lines are pinched or clogged  Correct the routine to avoid pinch, or allow shop air to clear the clog in the fuel lines. Improper Electrical supply at pump connector  If electrical supply is in proper check electrical system. In adequate fuel pump pressure  IF fuel pump does not built pressure then replace. Incorrect crank angle signal  Check sensor gap and adjust to 1.0 ± 0.4mm Clogged or faulty fuel injector(s)  Check fuel injector operation. Replace as necessary. Improper firing order  Check ignition system and fuel injector connections. Rectify as necessary. Exhaust system / Catcon damaged  Check and take corrective action.