2. Troubleshooting Trouble symptom e Exhaust smoke Corrective action Cause Clogged air fifter 0 0 0 0, 0 Clean. I Engine used at high temperatures or at high 0 0 altitude 0 0 0 Study output drop and load matching. E al g Clogged exhaust pipe 0 0 0 0 Clean. rn 2 rIJ iz : 5 e .t a Alternator defect 0 Repair or replace. (See Chapter 10.) Starting motor defect 0 Repair or replace. (See Chapter 9.) Open-circuit in wiring 0 Repair. Battery voltage drop 0 Inspect and charge the battery. (See 3.10 in Chapter 3.) 5 r2 5 .o ij 0, w 2-3-4