not idle Perform Diagnosis test. Replace as • necessary. 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 manifold absolute pressure (MAP) sensor signal input. Check for leakage at sensor. • Perform diagnostic test. • MIL & SIL check Check using diagnostic tool for MIL & • SIL. Take corrective action. Defective EMS unit Check using diagnostic tool. Take • corrective action. Engine idles erratically Disconnected or leaking vacuum line or vacuum leak at inlet manifold. Inspect all vacuum lines and • connections. Repair or replace as necessary. Faulty ETC unit. Perform diagnostic test. Replace as • necessary. Incorrect valve / ignition timing. Check timing system components • and repair or replace as necessary. 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 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. Poor Engine Performance Condition Possible Cause Remedy Maximum RPM -low Insufficient battery voltage/charge - 1.2L REVOTRON CNG PHASE-2 ENGINE 11
RkJQdWJsaXNoZXIy MTIwNTUz