SERVICE SPECIFICATIONS — EFI System A-7 EFI SYSTEM Specifications Pressure regulator | Fuel pressure | w/No vacuum | 2.3 — 2.7 kg/cm² 33 — 38 psi 226 — 265 kPa Cold start injector | Resistance | 3 — 5 Ω | Leakage | Less than one drop of fuel per minute Injector | Resistance | 1.5 — 3.0 Ω | Injection volume | 40 — 50 cc/15 sec (2.4 — 3.1 cu. in.) | Difference between each injector| Less than 6 cc (0.37 cc in.) | Leakage | Less than one drop of fuel per minute Air flow meter | Resistance | E₂ — Vs | 20 — 400 Ω | | (Measuring plate fully closed) | | 20 — 1,000 Ω | | (Measuring plate fully open) | | E₂ — Vc | 200 — 400 Ω | | E₁ — Fc | ∞ (Measuring plate closed) | | | 0 (Measuring plate open) | | E₂ — THA | 10 — 20 kΩ (−20°C, −4°F) | | | 4 — 7 kΩ (0°C, 32°F) | | | 2 — 3 kΩ (20°C, 68°F) | | | 0.9 — 1.3 kΩ (40°C, 104°F) | | | 0.4 — 0.7 kΩ (80°C, 176°F) ISC valve | Resistance | B₁ — S₁ or S₃ | 10 — 30 Ω | | B₂ — S₂ or S₄ | 10 — 30 Ω Throttle body | Throttle valve fully closed angle | 6° Throttle position sensor | Clearance between stop screw and lever | Between terminals | Resistance (kΩ) | 0 mm 0/0 in. | VTA — E₂ | 0.2 — 0.8 | 0.50 mm 0.0197 in. | IDL — E₂ | 0 — 100 | 0.90 mm 0.0354 in. | IDL — E₂ | Infinity | Throttle valve fully open | VTA — E₂ | 3.3 — 10 | | Vc — E₂ | 3 — 7 Main relay | Resistance | 1 — 2 | No. 1 Main relay | No. 2 Main relay | | | 40 — 60 Ω | 60 — 120 Ω | | 3 — 4 | ∞ | ∞ Circuit opening relay | Resistance | STA — E₁ | 17 — 25 Ω | | +B — Fc | 88 — 112 Ω | | +B — Fp | ∞ Resistor | Resistance | No. 10 or No. 20 — +B | 2 Ω Start injector | Resistance | STJ — STA | 24 — 40 Ω (Below 30°C, 86°F) | | | 40 — 60Ω (Above 40°C, 104°F) | | STA — Ground | 20 — 80 Ω Water temp. sensor | Resistance | 10 — 20 Ω | (−20°C, −4°F) | | 4 — 7 kΩ | (0°C, 32°F) | | 2 — 3 kΩ | (20°C, 68°F) | | 0.9 — 1.3 kΩ | (40°C, 104°F) | | 0.4 — 0.7 kΩ | (60°C, 140°F) | | 0.2 — 0.4 kΩ | (80°C, 176°F)