| General indications relating to injection |
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| The injection and ignition system control unit is capable self-diagnosis. Before carrying out repairs and in order to locate faults, the fault memory should be checked first. The flexible vacuum hoses and connections should also be checked (air leaking in). |
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| The flexible fuel hoses in the engine compartment must be secured with spring clamps, tightening clamps and screw clamps not being acceptable. |
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| Before disconnecting and connecting the battery, the ignition must be disconnected; if this precaution is not observed, the engine control unit may be damaged. |
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| For faultless operation of electrical components, a minimum voltage of 12.4 V is required. |
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| Do not use silicone based sealant products. Silicone particles that enter the are not burned and harm the Lambda probe. |
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| If after locating faults, repairing or testing components, the engine starts for an instant and then stops, the immobiliser may be blocking the engine control unit. In such a case, the fault memory must be consulted, followed by adaptation of the control unit, if necessary → Chapter. |
| Check the intake system's airtightness (air leaking in) → Chapter |
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