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Qaagi - Book of Why

Causes

Effects

Should the engine backfire , the PCV valve closesto preventignition of fumes in the crankcase

A. Nishiyama , N. Kawahara , and E. Tomita , “ In - situ fuel concentration measurements near spark plug by 3.392 μm infrared absorption method -- applicationto sparkignition engine

Aluminum ten - cylinder V 90 degreessparkignition engine

1500 - 3000 E. Conversionto sparkignition engine

Proper ventilation is neededto preventignition in the crankcase

the invention is not limitedto sparkignition engine

57526 Avl RFQ WR3819 2920 - 00 - 146 - 0649 leadsetignition engine

Improper ignition timingcan causeignition system misfires

overhead valves(passive) are triggered byoverhead valves

overhanging shutoffs(passive) are triggered byoverhanging shutoffs

The engines(passive) are triggered byThe engines

the exhaust to open late which holds cylinder pressure till the piston is well down the borecausesthe exhaust to open late which holds cylinder pressure till the piston is well down the bore

your combustion pulse through the intake / fuel injectioncausingyour combustion pulse through the intake / fuel injection

1121535479set1121535479

September 10 , 1999CreatedSeptember 10 , 1999

surge voltages(passive) caused bysurge voltages

ECUsetECU

to fail periodically ; and means to allow the operation of said overriding means responsive to conditions requiring failure of ignition of the operating chamberis causedto fail periodically ; and means to allow the operation of said overriding means responsive to conditions requiring failure of ignition of the operating chamber

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