in the carburetor 15 into the combustion chamber 5 and an exhaust port 19 to introduce exhaust gas created in the combustion chamber 5 into the exhaust muffler 17createdin the carburetor 15 into the combustion chamber 5 and an exhaust port 19 to introduce exhaust gas created in the combustion chamber 5 into the exhaust muffler 17
plug tip and cylinder temperature to increase , resulting in pre - ignition , detonation , and possibly serious spark plug and engine damage Advancing ignition timing by 10°causeplug tip and cylinder temperature to increase , resulting in pre - ignition , detonation , and possibly serious spark plug and engine damage Advancing ignition timing by 10°
from becoming rich or lean ( see for example , Japanese Patis preventedfrom becoming rich or lean ( see for example , Japanese Pat
to detonation and a damaged enginecan leadto detonation and a damaged engine
in a misfire Put another waywould ... resultin a misfire Put another way
increased turbo lagcan causeincreased turbo lag
in a high content of residual oxygen in the exhaust gasresultsin a high content of residual oxygen in the exhaust gas
the engine to run hotteris causingthe engine to run hotter
to lean misfire and poor mileagewould leadto lean misfire and poor mileage
in lean misfires and wasted fuelresultsin lean misfires and wasted fuel
rightsetright
When a high amount of oxygen is present(passive) caused byWhen a high amount of oxygen is present
a high idle speedcreatesa high idle speed
violent expansion of gases which in turn force the piston downwardscausingviolent expansion of gases which in turn force the piston downwards
When a large amount of oxygen is present(passive) caused byWhen a large amount of oxygen is present
at the factorysetat the factory
an erratic idle and a knocking soundcausingan erratic idle and a knocking sound
excessive heat and shortens the life of your enginecausesexcessive heat and shortens the life of your engine
to inefficient combustion and production of COleadingto inefficient combustion and production of CO
high /F sensor voltage(passive) could be caused byhigh /F sensor voltage
plug tip and cylinder temperature to increase , resulting in pre - ignition , detonation , and possibly serious spark plug and engine damage It is important to read spark plugs many times during the tuning process to achieve the optimum air/ fuel mixture Higher Compression Ratios / Forced Induction elevates spark plug tip and in - cylinder temperatures As compression increasescauseplug tip and cylinder temperature to increase , resulting in pre - ignition , detonation , and possibly serious spark plug and engine damage It is important to read spark plugs many times during the tuning process to achieve the optimum air/ fuel mixture Higher Compression Ratios / Forced Induction elevates spark plug tip and in - cylinder temperatures As compression increases
in all kinds of engine performance problems including a misfire , rough idle , hesitation , stumbling and lack of powercan resultin all kinds of engine performance problems including a misfire , rough idle , hesitation , stumbling and lack of power
in relatively small amounts of ionic movement due to the oxygen rich environment of the exhaust gasresultin relatively small amounts of ionic movement due to the oxygen rich environment of the exhaust gas
of injected fuel and sucked air , through an ignition device 134is composedof injected fuel and sucked air , through an ignition device 134
the exhaust gas flowing into the catalytic converter around a predetermined air - to - fuel ratio at an amplitude and a periodcausingthe exhaust gas flowing into the catalytic converter around a predetermined air - to - fuel ratio at an amplitude and a period
into a premature combustion which leads to a knocking sound in your mower ’s engineresultinginto a premature combustion which leads to a knocking sound in your mower ’s engine
overheating ... insulate fuel lines ... or install a heat shieldwill causeoverheating ... insulate fuel lines ... or install a heat shield
for example , engine misfire , stalling , and/or setting of one or more codes in diagnostic memory ( not shownmay causefor example , engine misfire , stalling , and/or setting of one or more codes in diagnostic memory ( not shown
a recipe for rough idlecreatinga recipe for rough idle
in detonation instead of a controlled burn of the air / fuel mixture in the cylinderswould resultin detonation instead of a controlled burn of the air / fuel mixture in the cylinders
an engine to run hot because of its high air contentcausesan engine to run hot because of its high air content
an explosion in the cylindercausingan explosion in the cylinder
in improved driveablility and lower emissionsresultingin improved driveablility and lower emissions
knock ( also known as pre - ignition ) , where the fuel mixture ignites before the spark plug fires ... causing very high cylinder pressurescan causeknock ( also known as pre - ignition ) , where the fuel mixture ignites before the spark plug fires ... causing very high cylinder pressures
some really rough running sporadically and one breakdowncausingsome really rough running sporadically and one breakdown