Loading ...

Blob

Smart Reasoning:

C&E

See more*

Qaagi - Book of Why

Causes

Effects

It is constantly being operated while it is coldcausinga much richer air / fuel mixture

some thingsleadto the extra rich air / fuel mixture

the complete misfirehas been causeddue to rich air - fuel mixture

by injector problems(passive) caused bya fuel rich mixture

the power valve to always be open , even at part throttleleadingto an overly rich air / fuel mixture

The excess fuelcausesan abnormally rich air fuel mixture

The power valve , if incorrect , will always be open , even at part throttleleadingto an overly rich air / fuel mixture

The power valve , if incorrect , will always be open at idle and even at part throttleleadingto an overly rich air / fuel mixture

if incorrect , will always be open , even at part throttleleadingto an overly rich air / fuel mixture

by too much fuel(passive) can be causeda rich air / fuel mixture

that enough fuelto causea rich air / fuel mixture

engine airflowresultingin a rich air fuel mixture

leaky fuel injectorscan causea too rich air fuel mixture

fuel ... turnsto causeover - rich air / fuel mixture

Fuel pressure is too highi.e. ... causinga rich air fuel mixture

somethingcausinga rich air / fuel mixture

something's causinga rich air / fuel mixture

an exhaust gasoriginatingfrom a rich air - fuel mixture

turnsto causeover - rich air / fuel mixture

other faultcausingrich air fuel mixture

a clogged air cleaner filter element(passive) caused byan over - rich air / fuel mixture

by a clogged air cleaner filter element(passive) caused byan over - rich air / fuel mixture

A dirty air filtercan causea rich fuel - air mixture

by improper(passive) can be caused byA rich fuel / air mixture

a number of issues such as leaky injectors or excessive fuel pressure(passive) can be caused byA rich air / fuel mixture

a number of issues such as leaky injectorsor excessive fuel pressure(passive) can be caused byA rich air / fuel mixture

a faulty sensorcould be causingan over rich fuel mixture

by the engine computer(passive) caused byRICH FUEL MIXTURE

that are : Faulty O2 sensor(scausingrich fuel mixture

a failure in the air / fuel metering system(passive) is usually caused byRich fuel mixture

An O2 sensor may be outcausinga rich fuel mixture

by a failure in the air / fuel metering system C(passive) is ... caused byRich fuel mixture

a failure in the air / fuel metering system C(passive) is usually caused byRich fuel mixture

A leaking fuel injectorcan causea rich fuel mixture

A leaking fuel injectorcausesa rich fuel mixture

A dirty air filtercan causea rich fuel mixture

the flowcausinga rich fuel mixture

If leakscan causerich fuel mixture

air intakecausinga rich fuel mixture

allowing fuel to get past the jet o - ringcausinga rich fuel mixture

a failed emissions testwill often causea failed emissions test

a failed emissions checkwill typically causea failed emissions check

a failed emissions checkwill often causea failed emissions check

BLACK smokecausingBLACK smoke

a high idlewill ... causea high idle

This situation(passive) is typically caused byThis situation

black soot on exhaust pipe and black smokecausesblack soot on exhaust pipe and black smoke

a low air fuel ratio sensor current , and a lean air fuel mixture causes a high air fuel ratio sensor currentcausesa low air fuel ratio sensor current , and a lean air fuel mixture causes a high air fuel ratio sensor current

a low A / F sensor current , and a lean air - fuel mixture causes a high A / F sensor currentcausesa low A / F sensor current , and a lean air - fuel mixture causes a high A / F sensor current

A low air fuel ratio sensor voltage(passive) could be caused byA low air fuel ratio sensor voltage

Black exhaust smoke(passive) can be caused byBlack exhaust smoke

High CO(passive) is caused byHigh CO

Excessive black smoke(passive) is caused byExcessive black smoke

Black Smoke Excessive black smoke(passive) is caused byBlack Smoke Excessive black smoke

Excessive black smoke(passive) is caused byExcessive black smoke

in very little oxygen in the exhaustwill resultin very little oxygen in the exhaust

a low a / f sensor currentcausesa low a / f sensor current

a low a / f sensor current , andcausesa low a / f sensor current , and

to an increase in foulingwould leadto an increase in fouling

in very little oxygenwill resultin very little oxygen

in very little oxygenwill resultin very little oxygen

A high A / F sensor voltage(passive) could be caused byA high A / F sensor voltage

A low A / F sensor voltage(passive) could be caused byA low A / F sensor voltage

A low A / F sensor voltage(passive) could be caused by A low A / F sensor voltage

the complete misfire(passive) has been caused bythe complete misfire

complete misfire(passive) has been causedcomplete misfire

the complete misfire(passive) has been causedthe complete misfire

a low /F sensor current , andcausesa low /F sensor current , and

ignitioncausesignition

low /F sensor voltage(passive) could be caused bylow /F sensor voltage

A high heated oxygen sensor ( sensor 1 ) voltage ( 0.5 V or more(passive) could be caused byA high heated oxygen sensor ( sensor 1 ) voltage ( 0.5 V or more

the exhaust gascausingthe exhaust gas

an exhaust gas(passive) caused byan exhaust gas

the exhaust gas(passive) caused bythe exhaust gas

a low amount of oxygen(passive) caused bya low amount of oxygen

a low amount of oxygen(passive) caused bya low amount of oxygen

plug tip temperature to dropcan causeplug tip temperature to drop

in decreased fuel efficiency and increased emissionswould resultin decreased fuel efficiency and increased emissions

drivability issues(passive) caused bydrivability issues

sootcausessoot

Blob

Smart Reasoning:

C&E

See more*