General check of the injection system

For systematic troubleshooting and therefore troubleshooting, proprietary special measuring instruments are required. Such measuring devices are very expensive and, as a rule, are available only at service stations. Therefore, only the main checks are named here:

• Check battery.
• Check all fuses.
• Disconnect all plug connections of the relevant electronic systems and reconnect. Check the reliability of the fixation of the plug connections and the fastening of the wires in the engine compartment.
• Check all ground connections for tightness and flawless contacts.
• Check hoses and pipes for tightness. Pay attention to the absence of porosity and cracks. Tighten loose connections.

Attention: Do not use any sealants containing silicone. Silicone particles sucked in by the engine do not burn and damage the oxygen sensor.