Friday, February 11th, 2011
Customer Usage?
1. Warming up and running distance
A long period of warm-up will waste the fuel. When the engine is cold, more fuel is required and the idling speed is high ...
Posted in Troubleshooting | 1 Comment »
Thursday, February 10th, 2011
Increased fuel consumption frequently is a result of the vehicle usage and road conditions rather than vehicle malfunction. Therefore, it is important to accurately understand the customer's habitual usage and ...
Posted in Troubleshooting | 1 Comment »
Friday, January 7th, 2011
Inspection method (gasoline engines)
Inspect the following when cranking the engine.
(1) Pinch the engine compartment fuel hose with your fi ngers and check whether or
not fuel pressure is applied.
(2) Check the ...
Posted in Troubleshooting | No Comments »
Tuesday, December 28th, 2010
Determining Common-rail Fuel Pressure
A fuel pressure that matches the operating conditions of the engine is calculated according to the actual injection volume that has been determined based on the signals ...
Posted in Diesel Engine Control System | No Comments »
Wednesday, December 22nd, 2010
The two sets of opposing plungers are driven by the inner cam via the rollers. The inner cam is driven by the engine via the timing belt. The inside of ...
Posted in Diesel Engine Control System | No Comments »
Friday, December 3rd, 2010
The detection capability of the oxygen sensor and A/F (air-fuel) ratio sensor decline at low temperatures (under 400 °C). Therefore, some oxygen sensor or A/F ratio sensor are provided with ...
Posted in Gasoline Engine Control System | No Comments »
Monday, November 15th, 2010
The engine ECU changes the fuel injection volume by changing the injector injection duration. The actual fuel injection duration is determined by the following two items.
1. The basic injection duration ...
Posted in Gasoline Engine | No Comments »
Sunday, November 14th, 2010
1. Fuel filter
The fuel filter removes dirt and impurities from the fuel that is compressed by the fuel pump.
2. Fuel pump filter
The fuel pump filter removes dirt and impurities from ...
Posted in Gasoline Engine | No Comments »
Saturday, November 13th, 2010
The fuel is taken from the fuel tank by the fuel pump and sprayed under pressure by an injector. The fuel pressure in the fuel line must be regulated to ...
Posted in Gasoline Engine | No Comments »