Technical characteristics of the fuel injection system «Motronic M 2.5» (Opel Kadett E)

Data for verification and adjustment

Engine crankshaft speed at idle, rpm: 890-990.

Carbon monoxide (CO) content in exhaust gases, %: 0.7-1.2.

Air filter

The air filter housing is double, with a resonance chamber at the inlet. The filter element is dry and must be replaced every year of operation.

Fuel filter

Brand and type: AC GF516.

Controller

Brand and catalog number: Bosch 0 261 200 185, index "FP".

Opel part number: 90 299 589.

Operating voltage when starting the engine, in engine operating mode and with the ignition off, V: 10-15.

Mass air flow meter

Brand and catalog number: Bosch 0 280 212 015.
Resistance at 20°C when measured between the terminals of the connector, Ohm:

• "2" and "3" (signal from the meter): 2,5-3,1;
• "1" and "2": 0;
• "2" and "6" (signal from the CO correction potentiometer):
• when turning the adjusting screw fully counterclockwise: 0-30;
• when turning the adjusting screw clockwise until it stops: 900-1000.

Throttle position sensor

Brand and catalog number: Bosch 0 280 120 000.

Resistance, Ohm:

• between terminal "2" and "ground" (idle position), 0.
• between terminal "3" and "ground" (position "full throttle"); 0.

Fuel injection system power supply and fuel pump activation relay

Opel part number: 90 230 894.

A bundle of electrical wires

Opel part number: 90 241 116.

Octane corrector block

The octane corrector shoe is used to select ignition characteristics depending on the standards adopted in different countries.

Colour: brown.

Resistance, Ohm: 470.

Catalog number: 90 307 657.

Warning: It is prohibited to bypass the octane corrector block.