Owners Škoda Felicia with engine 1.3 MPI (series MPi/55 kW) often encounter carburetor problems - despite the fact that the model was officially equipped with an injector, converted versions with carburetor systems from VW or Pierburg. This hybrid approach, inherited from the era of the 90s, requires special attention: incorrect configuration leads to excessive fuel consumption, failures during acceleration and unstable operation at idle.

In this article we will analyze unique features of carburetors installed on Felicia 1.3 - from factory Pierburg 2E3 to homemade adaptations for the engine AEE. You will learn how to distinguish the original system from an artisanal modification, what jets are suitable for Russian gasoline, and why adjustment “by eye” is fraught with damage EGR valve. The material is based on the experience of craftsmen specializing in Czech cars of the 90s, taking into account the specifics of operation in 2026.

Škoda Felicia 1.3 carburetor design: diagram and features

On Felicia 1.3 Two types of carburetors were installed:

  • 🔧 Pierburg 2E3 - factory version for markets with low environmental standards (up to Euro 1). It has a vacuum damper drive and a mechanical accelerator pump.
  • 🔄 Adapted carburetors from VW Polo (for example, Pierburg 1B3 or Solex 32/35 PBIC) - installed when converting the injector into a carburetor. The mountings and vacuum supply require modification.

The key difference from classic carburetors is the presence idle speed solenoid valve (ECV), which is controlled by the ECU even in carburetor versions. This is the legacy of the injection platform: when the valve is turned off, the engine stalls at idle, and quality screw adjustment gives a temporary effect.

Why are there carburetors on the Felicia 1.3?

In the 90s, injection systems were expensive to repair, while carburetors were cheaper and easier to set up. Many owners converted their cars to carburetor versions from VW or Skoda Favorit, using adapter plates and modified intake manifolds. Such cars still drive around Russia and the CIS countries, but require a special approach to diagnostics.

The table below compares the main components of carburetors Pierburg 2E3 and adapted Solex 32/35:

Parameter Pierburg 2E3 (original) Solex 32/35 (adapted)
Diffuser diameter, mm 24/26 26/28
Accelerator pump type Mechanical, single jet Mechanical, two-jet
Idle speed adjustment Screw + ECXX Screw only (ECXX missing)
USR compatibility Yes (via vacuum valve) No (requires a stub)
⚠️ Attention: On Felicia 1.3 with an adapted carburetor Solex often forget to turn off the valve EGR. This leads to air leaks and floating speed. Check the presence of vacuum tubes - there should be at least 3 of them (for the accelerator pump, distributor and vacuum advance).

Typical malfunctions of the Felicia 1.3 carburetor and their symptoms

Symptoms of carburetor problems Felicia often disguised as problems with the ignition or fuel system. Here are the key signs that the carburetor is to blame:

  • 🔥 Engine stalls at idle - the EKXX or clogged idle jet is to blame. Check on adapted carburetors vacuum hose from intake manifold.
  • 💨 Jerks during acceleration — wear of the accelerator pump diaphragm or incorrect fuel level in the float chamber.
  • 🛢️ Excessive fuel consumption (more than 10 l/100 km) — clogged air jets or leaking needle valve.
  • ⚡ Detonation under load - the mixture is too lean due to air leaks or incorrectly selected jets.

Feature Felicia 1.3 - sensitivity to gasoline quality. Carburetors Pierburg designed for AI-92, but when using AI-95 with a high alcohol content, adjustment of the jets is required (increasing fuel by 5–10%).

📊 What carburetor is installed on your Felicia 1.3?
  • Pierburg 2E3 (original)
  • Solex 32/35 (adapted)
  • Another carburetor
  • I don't know, haven't checked
⚠️ Attention: If after replacing the air filter the engine begins to run worse, check tightness of the filter housing. On the Felicia 1.3, the rubber gasket between the carburetor and the filter often cracks, which leads to the intake of unaccounted air and the enrichment of the mixture.

Adjusting the carburetor Škoda Felicia 1.3: step-by-step instructions

Setting the carburetor to Felicia 1.3 differs from classic Zhiguli or VAZ vehicles. It is important to consider here work ECXX and vacuum connections. Before making adjustments, complete the following preparations:

Warm up the engine to operating temperature (80–90°C)

Check the fuel level in the float chamber (should be 2/3 of the height)

Clean the idle jets with compressed air

Disconnect the vacuum hose from the distributor (for precise adjustment)

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Next, follow the algorithm:

  1. Idle speed adjustment:
    • Start the engine and set the speed to 800–900 rpm quantity screw.
    • Tighten the quality screw until the speed begins to drop, then unscrew it 1/2 turn.
    • Repeat steps 2-3 times for accuracy.
  2. Checking the accelerator pump:
    • Press the gas pedal sharply - the engine should respond instantly without failure.
    • If there is lag, check the pump diaphragm (common problem on carburetors over 10 years old).

For adapted carburetors (Solex) further configure float level: 

1. Remove the top carburetor cover.

2. Turn it over - the float should protrude 14–16 mm from the gasket.


3. If necessary, bend the float tongue.

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If after adjustment the speed fluctuates, check vacuum hose seal, going from the carburetor to the vacuum brake booster. On Felicia 1.3 it often cracks at the plastic tee under the hood.

Selection of jets for Russian conditions

Standard jets Pierburg 2E3 designed for European octane gasoline 95–98. B Russia is often in charge AI-92 with a high content of additives, which requires adjustment:

Jet type Standard (Europe) Recommendation for Russia (AI-92)
Main fuel (first chamber) 112 115–117
Main air (first chamber) 170 165–160
Idling (fuel) 45 48–50

For adapted carburetors (Solex 32/35) use jets from VAZ 21083:

  • 🔧 Main fuels: 110/125 (first/second chamber).
  • 💨 Main air: 150/125.
  • ⚡ Idle jet: 50 (fuel) + 170 (air).

⚠️ Attention: When replacing jets with Felicia 1.3 with an adapted carburetor, be sure to check fuel pump performance. Mechanical pumps from VAZ may not provide sufficient pressure, which will lead to engine starvation at high speeds.

Carburetor repair: what you can do yourself

Most carburetor malfunctions Škoda Felicia 1.3 eliminated without dismantling. Here is a list of jobs you can do in the garage:

  • 🔩 Cleaning the jets: Use acetone or a special cleaner (such as LIQUI MOLY Vergaser-Reiniger). Do not use metal brushes - they will damage the calibrated holes.
  • 🛠️ Replacing the accelerator pump diaphragm: Signs of wear are failures during sudden acceleration. The diaphragm can be cut from petrol-resistant rubber 1 mm thick.
  • 🔧 Checking ECXX: When the connector is disconnected, the engine should stall. If not, the valve is faulty (replace with a similar one from VW Golf 2).

For major repairs (replacement of the damper axle, restoration of seats) you will need repair kit. For Pierburg 2E3 fits kit from Pierburg 2E2 (article 7.22800.57.0), but you will have to modify the gasket for the manifold.

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Do not attempt to repair the carburetor without first diagnosing compression in the cylinders. On Felicia 1.3, wear of rings or valves gives similar symptoms (dips, jerking), but is treated completely differently.

Adaptation of carburetor for HBO

Installation of gas equipment on Felicia 1.3 with carburetor requires modifications:

  1. Replace the jets with gas (for example, for Solex 32/35 jets will fit 130/150 for propane).
  2. Install emulator ECXXso that the engine does not stall when switching to gas.
  3. Adjust ignition timing (increase by 2-3° for gas).

Important: on Felicia with HBO often fails gearbox due to engine vibrations. Secure it through rubber dampers and check the tightness of the gas hoses every 10,000 km.

Where to buy spare parts for Felicia 1.3 carburetor

Original spare parts for Pierburg 2E3 Long out of production, but there are analogues:

  • 🛒 Repair kits: Suitable from VW Polo Classic (article 2E0 133 021) or Skoda Favorit.
  • 🔧 Jets: From carburetors Solex 21083 (diameter adjustment required).
  • 🔩 ECXX: Interchangeable with valve from VW Golf 2 (article 351 133 501).

To search, use the following resources: 

- eBay (query: "Pierburg 2E3 carburetor parts")

- Avito/Yula (filter: "spare parts for Škoda Felicia carburetor")


- VKontakte groups: “Skoda Felicia Russia”, “Czech cars of the USSR”

⚠️ Attention: When purchasing a used carburetor, check condition of vacuum fittings - on Felicia 1.3 they often break during dismantling. Also check if it is included damper drive rod (it is unique to this model).

FAQ: Frequently asked questions about the Škoda Felicia 1.3 carburetor

Is it possible to install a carburetor from a VAZ 2108 on Felicia 1.3?

Technically yes, but you will need:

  • Make an adapter plate for the collector.
  • Modify the throttle valve drive.
  • Turn off the EGR system (if there was one).

Better to use Solex 32/35 — it is closer in characteristics to the original Pierburg.

Why doesn't Felicia start after washing the engine?

Most likely, water got into idle speed solenoid valve or vacuum hoses. Dry them with a hairdryer and check the EKXX contacts with a multimeter (the resistance should be 30–60 Ohm).

What kind of gasoline should I put in Felicia 1.3 with a carburetor?

Optimally - AI-92. AI-95 can only be used with adjustment of the jets (increase in fuel by 5–10%). Do not use AI-80 - this will lead to detonation and destruction of the piston group.

How much does it cost to have a carburetor repaired by a mechanic?

Prices in 2026:

  • Diagnostics + cleaning: 1 500–2 500 ₽.
  • Replacing the repair kit: 3 000–5 000 ₽ (with spare parts).
  • Adaptation for HBO: 6 000–8 000 ₽.
Where can I download the manual for the Pierburg 2E3 carburetor?

There is no official manual in Russian, but there is:

  • Scans of the German instructions: carburetor-manual.com (search by code 2E3).
  • Video on YouTube: channel "Česká Auta" (Czech workshops).
  • Forums: FeliciaClub.ru (section "Engine").