FI-12 EFI SYSTEM — Troubleshooting SYMPTOM — DIFFICULT TO START OR NO START (CRANKS OK) CHECK DIAGNOSIS SYSTEM Check for output of diagnostic code. (See page FI-23) Normal code Malfunction code(s) Diagnostic code(s) (See page FI-26) DOES ENGINE START WITH ACCELERATOR PEDAL DEPRESSED? OK ISC system (1) ISC valve (2) Wiring connection NO CHECK FOR VACUUM LEAKS IN AIR INTAKE LINE BAD 1. Oil filler cap 2. Oil dipstick 3. Hose connections 4. PCV hose 5. EGR system — EGR valve stays open OK CHECK IGNITION SPARK 7M-GE (See page IG-5) 7M-GTE (See page IG-10) BAD 1. High-tension cords 2. Distributor (7M-GE) or cam position sensor (7M-GTE) 3. Ignition coil 4. Igniter OK CHECK SPARK PLUGS Plug gap: 7M-GE 1.1 mm (0.043 in.) 7M-GTE 0.8 mm (0.031 in.) — HINT — Check compression pressure and valve clearance if necessary. NO 1. Spark plugs 2. Compression pressure Minimum: 9.0 kg/cm² (128 psi, 883 kPa) at 250 rpm 3. Valve clearance Standard: IN 0.15 — 0.25 mm (0.006 — 0.010 in.) EX 0.20 — 0.30 mm (0.008 — 0.012 in.) BAD All Plugs WET 1. Injector — Shorted or leaking 2. Injector wiring — Short circuited 3. Fuel pressure — Leakage (See page FI-77) 4. Cold start injector time switch (See page FI-112) OK CONTINUED ON PAGE FI-13