SYMPTOM — ENGINE HESITATES AND/OR POOR ACCELERATION CHECK CLUTCH AND BRAKE BAD → 1. Clutch — slips 2. Brakes — drag ↓ OK CHECK FOR VACUUM LEAKS IN AIR INTAKE LINE BAD → 1. Oil filler cap 2. Oil level gauge 3. Hose connections 4. PCV hoses 5. EGR system — EGR valve stays open ↓ OK CHECK AIR FILTER ELEMENT BAD → Clean or replace ↓ OK CHECK DIAGNOSIS SYSTEM Check for output of diagnostic code. (See page FI-22) Malfunction code(s) → Diagnostic code(s) (See page FI-2B) ↓ Normal code CHECK IGNITION SPARK 1. Unplug connectors of injector resistor and start injection time switch. 2. Check by holding spark plug wire 8 — 10 mm (0.31 — 0.39 in.) away from engine block while engine cranking. A strong spark should be noted. BAD → 1. Plug wires 2. High-tension cords 3. Distributor 4. Ignition coil, igniter ↓ OK CHECK IGNITION TIMING 1. Short both terminals of the check connector. 2. Check ignition timing. STD: 10° BTDC (w/short terminals of the check connector) NO → Ignition system (See page IG-2) ↓ OK CONTINUED ON PAGE FI-21