Showing posts from August, 2025
VTEC System Introduction Today’s auto industry faces the ever important challenge of producing engines that minimize both fuel consumption and pollution while also providing higher levels of power output. Honda’s Variable Valve Timing and Lift Electro…
DTC B0001-13 Overview If a voltage on the detection line inside the SRS unit is higher than a specified value, the SRS unit determines an abnormality and stores the DTC. Inspection Outline The components to be tested are indicated by a dotted line. …
DTC B0001-12 Overview If a voltage on the detection line inside the SRS unit is higher than a specified value, the SRS unit determines an abnormality and stores the DTC. DTC B0001-12 Inspection Outline The components to be tested are indicated by a do…
DTC B0001-11 Overview If a current (or voltage) on the detection line inside the SRS unit is higher than a specified value, the SRS unit determines an abnormality and stores the DTC. DTC B0001-11 Inspection Outline The components to be tested are indi…
PGM-FI System Introduction Originating from the abbreviation of “ Programmed Fuel Injection ”, PGM-FI is the name given to Honda’s electronic-controlled fuel injection system . This system supplies fuel to the engine via a set of fuel injectors which …
Idle Speed Inspection Overview With a PGM-FI ( Programmed Fuel Injection ) engine, the idle speed is adjusted using the idle adjusting screw, which is located on the throttle body. The setting of the idle adjusting screw determines the rate at which a…
Groupwise Fuel Injection system Introduction The Groupwise Fuel Injection (GFI) system is essentially a simplified version of the MPI system . The major difference between them is the methods that they each employ to control their injectors. In an MP…
Exhaust System Introduction An exhaust pipe is not simply a passage that directs exhaust gases toward the rear of a vehicle. Its shape and volume have a direct influence on the engine’s output characteristics since they determine the amount of back pr…
Engine Introduction Role of the Engine Power is needed to motor a vehicle and a vehicle's engine is a powering system which converts fuel into energy to rotate its wheels. Engine Types Gasoline Engine A gasoline engine compresses gasoline and air …
Engine Oil Introduction Engine oil performs the following essential functions: Lubrication Engine oil forms a film on the cylinder walls, pistons, crankshaft, and other rubbing surfaces. By reducing friction, this oil film minimizes power losses and w…