gapped improperly. Incorrect valve/ignition timing Check timing system components • and repair or replace as necessary. Excessively worn camshaft Inspect camshaft lobes and run-out • for excessive wear. 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. ‘Squeal’ or ‘chirping’ while engine is running. Worn, oil-fouled, or improperly adjusted engine accessory belt. Check engine accessory belt • condition. Adjust or replace. ‘Clunking’ or ‘rapping’ noise from bottom end of engine Defective piston wrist pin, rod, or main bearings If noise occurs after taking foot off • accelerator pedal, inspect piston wrist pins. If noise is constant inspect rod • bearings and main bearings for proper clearance and condition Replace bearings as necessary. • ‘Tapping’ or ‘ticking’ noise from the top end of the engine Fuel injectors worn excessively Fuel injectors will make some ticking • noise. Replace fuel injectors if not putting out enough fuel to cylinders. Excessively worn camshaft Inspect camshaft. lobes and runout • for excessive wear. Replace as necessary. Valve springs, tappets, or rocker arms worn Inspect valve train components; • replace as necessary. Exhaust System 5. Condition Possible Cause Remedy Engine emits white smoke from tailpipe. Obstructed air filter or air Inlet Clean or replace air filter or Inlet. • Head gasket leaking coolant into combustion chamber Inspect engine oil for coolant and • perform engine compression test. Engine cylinder head or block cracked Inspect engine oil for coolant and • perform engine compression test. Engine oil or other substance on exhaust manifold Inspect exhaust manifold for foreign • material. ENGINE 1.2L BSVI PHASE-2 15
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