| Carburetor fuel system - petrol models 1.3 l | |
| General parameters | |
| Fuel pump type | |
| Fuel pump flow rate, cm³/min | |
| At an engine speed of 2000 rpm and a pressure of 1.2 kgf/cm² | 1000 |
| At 500 rpm and pressure 1.0 kgf/cm² | 830 |
| Idle speed, rpm | 800÷850 |
| Fast idle speed, rpm | 2300 ±100 |
| Carburetor | |
| Type Pierburg 2E3 (Jikov 28-30 LEKR) | |
| Nominal Ø of mixing chamber, mm | |
| Pierburg | |
| 1st camera | 28 |
| II chamber | 32 |
| Jikov 28-30 LEKR | |
| 1st camera | 28 |
| II chamber | 30 |
| Diffuser Ø, mm | |
| 1st camera | 20 |
| II chamber | 24 |
| Calibration and adjustment data | |
| Main fuel jet | |
| 1st camera | 92.5 |
| II chamber | 120 |
| Air jet | |
| 1st camera | 100 |
| II chamber | 100 |
| Idle fuel jet | 45 |
| Idle air jet | 130 |
| Ø of the transition system of the 2nd chamber, mm | 0.5 |
| Ø economizer, mm | |
| 1st camera | - |
| II chamber | 85 |
| Throttle clearance, mm | |
| 1st camera | 1 ±0.1 |
| II chamber | 0.08 ±0.02 |
| The moment of the beginning of the opening of the second chamber,° | 55 ±5 |
| Forced opening of the air damper, mm | 2.5 ±1 |
| Backlash when the second chamber is activated, mm | |
| Opening point "Y" | 0.8 ±0.3 |
| Opening point "Z" | 0.4 ±0.3 |
| The amount of fuel injected when the throttle valve is opened by 20°, cm³ | 0.326 ±0.078 |
| Air damper clearance, mm/bar | |
| Small (a) | 0.8 ±0.2/-100 ±3 |
| Large (A) | 2.0 ±0.2/-200 ±3 |
| Ø needle valve float, mm | 1.5 |
| Float weight, g | 5.74÷5.95 |
| Fuel level, mm | 28÷30 (8.5÷10 mm below the cut of the mating surface of the carburetor body) |
| Ø of accelerator pump nozzle, mm | 0.4 |
| Ø side jet of accelerator pump, mm | 0.15 |
| Accelerator pump capacity at 20-degree throttle opening, cm³ | 3.8÷6.2 |
| Single Point Fuel Injection (SPFI) - Petrol Models (Part B) | |
| General parameters | |
| System type | Bosch Mono-Motronic |
| Fuel pump type | Electric, submersible (installed in the fuel tank) |
| Fuel pump flow rate, cm³/min | 1000 (at supply voltage of 12.5 V) |
| Adjustable fuel pressure, bar | 0.8÷1.2 |
| Engine idle speed, rpm | 750÷850 (are not adjustable, controlled electronically) |
| Maximum permissible engine speed | 5800 (controlled by electronics) |
| Electrical resistance of the injector, Ohm | Not more than 3.0 (at 15°C÷30°C) |
| Recommended fuel grade | |
| Minimum permissible octane number (for all models) | AI 95, unleaded |
| Tightening forces of threaded connections | Nm |
| Air cleaner housing mounting bolts/nuts | 10 |
| Fuel tank mounting bolts | 25 |
| Injector/Intake Air Temperature Sensor Cover Housing Screw | 5 |
| Intake manifold mounting nuts | 25 |
| Bolts for fastening the throttle body support flange to the intake manifold | 10 |
| Throttle Body Through Bolts | 15 |
| Throttle Position Module Screws | 6 |
| Multiport Fuel Injection (MPFI) - Petrol Models | |
| General parameters | |
| System type | |
| Engines 1.3 l series 135M and 136M | Simos 2P |
| 1.6L AEE series engine | Magneti-Marelli 1AV |
| Fuel pump type | Electric, submersible (installed in the fuel tank) |
| Fuel pump flow rate, cm³/min | 1100 (at supply voltage of 12.5 V) |
| Adjustable fuel pressure, bar | 2.5 |
| Engine idle speed (are not adjustable, controlled electronically), rpm | |
| Models 1.3 l | 790 ±25 |
| 1.6L models | 640 ё790 |
| Maximum permissible level of CO content in exhaust gases (are not adjustable, controlled electronically) | 0.5% |
| Electrical resistance of the injector, Ohm | 15÷20 |
| Recommended fuel grade | |
| Minimum permissible octane number (for all models) | AI 95, unleaded |
| Tightening forces of threaded connections | Nm |
| Models 1.3 l | |
| Fuel Pressure Regulator Support Bracket Bolt | 0 |
| Fuel line mounting bolts | 20 |
| Fastening the intake manifold to the cylinder head | 25 |
| Throttle body mounting bolts | 10 |
| 1.6L models | |
| Fuel line mounting bolts | 10 |
| Fastening the intake manifold to the cylinder head | 20 |
| Throttle body mounting bolts | 10 |
| Diesel Engine Fuel System (Part D) | |
| General parameters | |
| Cylinder firing order | 1-3-4-2 |
| Maximum permissible engine speed, rpm | 5050 ±100 |
| Engine idle speed, min⁻¹ | 940 ±20 |
| Fast idle speed, min⁻¹ | 1050 ±50 (are not subject to adjustment) |
| Fuel injection pump type | Lucas DPS |
| Nozzle opening pressure, MPa | 13 |
| ECU type | MVE6A11 |
| Tightening forces of threaded connections | Nm |
| Fuel tank mounting bolts | 25 |
| Fast Idle Lock Nut | 6 |
| Immobilizer control unit mounting bolt | 25 |
| Hollow bolts of nipple connections of fuel supply and return lines of high-pressure fuel pumps | 25 |
| Fastening the front support bracket of the fuel injection pump to the block | 10 |
| Fuel injection pump mounting bolts: | |
| Front bolts | 25 |
| Rear bolt | 10 |
| Fuel injection pump sprocket mounting bolts | 25 |
| Fuel injector pipe fittings | 25 |
| Nozzles | 70 |
| Emission control and emission control systems | |
| Tightening forces of threaded connections | Nm |
| Catalytic Converter Flange Fastener (1.3 l models): | |
| Bolts | 13 |
| Bolts | 15 |
| EGR valve tightening screw | 10 |
| Nuts securing the EGR valve to the exhaust manifold (are subject to replacement) | 25 |
| EGR valve to intake manifold mounting bolts | 25 |
| Nuts securing the exhaust pipe to the exhaust manifold: | |
| Models 1.3 l | 20 |
| 1.6L models | 25 |
| Diesel models | 40 |
| Exhaust manifold to cylinder head mounting nuts | 25 |
| Nuts/bolts for the exhaust system section clamps: | |
| Diesel models | 70 |
| Petrol models | 20 |
| l-probe: | |
| Models 1.3 l | 50 |
| 1.6L models | 55 |
[Information presented on the website: SkodaBook.ru]