Diesel engine cars are one of the most sought after ones due to their powerful performance. The functioning of the diesel engine is the same as the petrol ones based on the internal combustion process. While a normal petrol engine compresses the air by around 10 times, a diesel engine does even more work to compress it by a factor of 25-30. This produces enough heat and power for your car. Go through the slide to know about service and general maintenance for diesel engine cars.