4826 neilachari

Throttle Position Sensor A - Throttle opening and more air is coming in as the throttle is opening. B - The throttle is stable for a small...

Ignition Primary Battery voltage come into the coil. At (A) the coil gets grounded and the magnetic field is created across primary windin...

MAP against Injectors When there is less vacuum the map signal voltage gets high telling the ecu that there is more air pressure in the e...

Primary and Secondary Ignition Patterns I did testings on a Toyota 4A-FE engine. I set up a ignition oscilloscope with the engine warmed up...

Oxygen Sensor On Vehicle The oxygen sensor was located in the exhaust piping after the exhaust manifold before the catalytic converter. Thi...

Exaust Gas Analysis We used a exhaust gas analyzer to do gas testing Honda civic 1992. HC - means hydrocarbons - that is unburnt fuel cau...