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Smart Reasoning:

C&E

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Qaagi - Book of Why

Causes

Effects

by an air leak(passive) caused bya really lean mixture

my ignition timing to be offcausingthe really lean mixture

hotcausinga super lean Mixture

a manifold leak near the valley pan at # 3could ... causea super lean mixture

The big gulp of air without the matching amount of fuelcausesan overly lean mixture

Unless it has failed richcausingoverly lean mixture

An air leak ... likely ... rather than a rich mixtureto causea lean mixture

by either an engine vacuum leak or low fuel - pump pressure(passive) caused byA lean mixture

Too much air or not enough fuelcan causea lean mixture

too little fuel or too much air(passive) can be caused byA lean mixture

an air leak in the engine intakeresultedin a lean mixture

More air flowing through the motor without a change in fuelwill causea lean mixture

by a worn fuel pump , clogged fuel filter or a bad oxygen sensor(passive) is caused bythe lean mixture

by a worn fuel pump , clogged fuel filter or a bad oxygen sensor(passive) is causedthe lean mixture

More air with the same amount of fuelcausea lean mixture

either low fuel pressure or vacuum / boost leak(passive) caused bylean mixture

not enough fuel getting to the enginecauseda lean mixture

An exhaust leak before the O2 sensor , the O2 itself , EGR , or a restricted fuel filtercan causea lean mixture

an intake air > leakdoes ... causea lean mixture

A large air leak at or near the number one oxygen sensorwould also causea lean mixture

A large air leak at or near the number one oxygen sensorwould ... causea lean mixture

Vacuum leaks ( air entering engine other than over air sensor platecausemixture to lean

an air leak on the inlet sidecausinga lean mixture

enough fuel flowcausinga very lean mixture

An air leak ... likelyto causea lean mixture

Water in fuelcan causea lean mixture

a very small intake leakcausinglean mixture

your pressure set to lowwill causea lean mixture

by the air pump leak (passive) caused bythe lean mixture

by the air pump leak(passive) caused bythe lean mixture

even a vacuum leakis causingthe lean mixture

an air leakis causinga lean mixture

the air leakcausesa lean mixture

by an air leak(passive) caused byA lean mixture

if they leak airwill causea lean mixture

an air leakcausinga lean mixture

by an air leak(passive) caused byan over lean mixture

an intake leak ... 1causinga lean mixture

even and intake leakcausinga lean mixture

by carbon build - up on the " film " of the air mass sensor(passive) is caused bylean mixture

detonation , which may result in rough engine operation , overheating , and/or a loss of powercausesdetonation , which may result in rough engine operation , overheating , and/or a loss of power

detonation , which may result in rough engine operation , overheating , and a loss of powercausesdetonation , which may result in rough engine operation , overheating , and a loss of power

to detonationcan leadto detonation

problems / damagewould causeproblems / damage

the engine to burn hot , causing detonation and pre - ignitionwill causethe engine to burn hot , causing detonation and pre - ignition

performance problems , including misfires that lead to engine component damagecan causeperformance problems , including misfires that lead to engine component damage

high combustion temperatures ... but does it directly cause > > preignition as wellcausedhigh combustion temperatures ... but does it directly cause > > preignition as well

high combustion temperatures ... but does it directly cause preignition > as well> causedhigh combustion temperatures ... but does it directly cause preignition > as well

the engine to run a little hotmay causethe engine to run a little hot

misfire High High Rough idle ( Black smoke from exhaustcausingmisfire High High Rough idle ( Black smoke from exhaust

engine to run rough and lose speedcausesengine to run rough and lose speed

detonation , loss of power and a hard misfire in the enginewill causedetonation , loss of power and a hard misfire in the engine

misfire High High Rough idle 1causingmisfire High High Rough idle 1

high combustion temperaturescausedhigh combustion temperatures

high combustion temperaturescauseshigh combustion temperatures

the engine to run too hotcausesthe engine to run too hot

an engine to run hotwill causean engine to run hot

the engine to run hotwill causethe engine to run hot

more heat in the combustion areadoes causemore heat in the combustion area

the engine to burn hot , causing detonation and preignitionwill causethe engine to burn hot , causing detonation and preignition

high combustioncausedhigh combustion

excessive engine heatcan causeexcessive engine heat

to a lean misfire ' in the cylindercould leadto a lean misfire ' in the cylinder

the engine to run poorly or stallwill ... causethe engine to run poorly or stall

an engine to run hot ... and vaguely thought this was because it had to work harder to make the same powerwill causean engine to run hot ... and vaguely thought this was because it had to work harder to make the same power

misfires as well as holes in piston from detonationcan causemisfires as well as holes in piston from detonation

a higher explosion temperature ... as there is more oxygen presentcausesa higher explosion temperature ... as there is more oxygen present

the death of ANY enginewill causethe death of ANY engine

heat and pre detonationcausingheat and pre detonation

in fuel burning in the exhaustcould resultin fuel burning in the exhaust

the engine to misfirecould causethe engine to misfire

A high idle(passive) can be caused byA high idle

the car to run hotwill causethe car to run hot

a lean misfirecausinga lean misfire

to efficient burning of the fuelcan contributeto efficient burning of the fuel

the engine to run hottercausesthe engine to run hotter

an engine to run hottercan causean engine to run hotter

to engine knockledto engine knock

lean misfirescan causelean misfires

all your problem 'sis ... causingall your problem 's

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Smart Reasoning:

C&E

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