Motronic injection and ignition system
Servicing injection part
Servicing ignition part
=> Repair group 28
Notes:
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◆ Fuel hoses in engine compartment must only be secured with spring type clips. The use of clamp or screw type clips is not permissible.
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◆ If the engine starts, runs for a short period and then stops, after fault finding, repairs or component tests, then the fault may lie with the immobilizer which is blocking the engine control unit. The fault memory must be interrogated and if necessary the control unit matched
.
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◆ The control unit for the fuel injection and ignition system is equipped with a fault memory. Before carrying out repairs, adjustment work and fault finding the fault memory must be interrogated and the vacuum connections checked (outside air).
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◆ Components marked with * are checked via the self diagnosis.
=> Page 01-5
, interrogating fault memory
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◆ Components marked with ** are checked via the final control control diagnosis => Page 01-28
.
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◆ For trouble-free operation of the electrical components, a voltage of at least 11.5 V is necessary.
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◆ Do not use sealants containing silicone. Particles of silicone drawn into the engine, will not be burnt in the engine and damage the Lambda probe.
Safety precautions
Rules for cleanliness => Page 24-20
Technical data => Page 24-21
Checking engine operation => Page 24-31
Self diagnosis and electrical check of Motronic injection and ignition system:
=> Rep.-Gr. 01
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