26. Excessive fuel consumption
1. The air filter is dirty or blocked.
2. Tire inflation pressure is insufficient or tires of the wrong size are installed.
3. The engine has mechanical damage. Check the compression, if necessary, carry out the appropriate restoration repair.
4. Idle speed and maximum crankshaft speed are excessively high.
5. There is a malfunction of the power supply system components, electrical equipment or electronic control.
6. Leaks in the air intake system.
7. There is damage to the exhaust system and a decrease in the toxicity of the exhaust gases.
Additional for diesel engine
8. Clogged return line. Blow air through the return line from the high-pressure fuel pump to the fuel tank.
9. The engine has mechanical damage. Check the compression, repair the engine if necessary.
27. There are fuel leaks and/or the smell of gasoline
1. There are leaks in the fuel supply lines or vent lines.
2. The fuel tank is full. Refuel only until the gun switches off automatically.
3. There are leaks/evaporation from the fuel system lines and exhaust gas toxicity reduction.
Material was taken from a resource OpelBook.ru
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