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Smart Reasoning:

C&E

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Qaagi - Book of Why

Causes

Effects

by carbon build up in the intake and EGR port(passive) caused byEGR valve issues

carbon depositscauseabnormal operation of the EGR valve

Excessive idling and poor fuel qualityalso contributedto EGR valve failure

Failure of the EGR valve gasketmay causean EGR valve leak

emissions fixcausingEGR valves to fail

A vacuum leakcan causemalfunction of the EGR valve

specifically for your Chevrolet vehicle to provide you with original equipment performance(passive) is designedA genuine Chevrolet EGR Valve

Is it possibleto causeOPEN EGR VALVE

the vacuum leakresultsfrom the bad EGR valve

the modulecausingthe EGR valve to close

two small portsleadto the EGR valve chamber

carbon build - up from dirty oil(passive) can be caused byA faulty EGR Valve

Common faultcausedby a sticking EGR valve

the vacuum line off the solenoid ... the oneleadsto the EGR valve

the vacuum line ... the oneleadsto the EGR valve

the engine ... the portleadsto the EGR valve

to open at high engine RPMs(passive) is designedA EGR valve

the exhaust lineleadto the EGR valve

the exhaust lineleadsto the EGR valve

the vacuum lineleadingto the EGR valve

the vacuum pipeleadingto the EGR valve

the vacuum pipeleadsto the EGR valve

the passages from the exhaust lineleadto the EGR valve

The exhaust fuel recirculationcould causeEGR ) valve

The exhaust fuel recirculationcan resultEGR ) valve

The exhaust fuel recirculationmay causeEGR ) valve

The exhaust fuel recirculationcan causeEGR ) valve

The exhaust fuel recirculationmight causeEGR ) valve

a vacuum ... the portleadsto the EGR valve

the air hoseleadingto the EGR valve

the throttle bodyleadsto the egr valve

the vacuum hoseleadingto the EGR valve

the lineleadsto your egr valve

the lineleadingto the EGR - Valve

the oilwas originatingfrom the EGR valve

the pipeleadsto the EGR valve

the pipeleadingto the EGR Valve

workleadingto the EGR valve

the intake manifold and or gas passages in the intake manifoldleadingto the EGR valve

the exhaust passagesleadingto the EGR valve

the problem(passive) was caused bythe problem

loss of powercausingloss of power

Bad IdlecausingBad Idle

the engine to run richer then normal and in turncausedthe engine to run richer then normal and in turn

the Check Engine light to come on with the code P0401can causethe Check Engine light to come on with the code P0401

a large vacuum leak basicallycausinga large vacuum leak basically

the truck not to startcausethe truck not to start

codecausingcode

Rough idle and poor acceleration(passive) can be caused byRough idle and poor acceleration

the valves to clogcausingthe valves to clog

rough idle , hesitation on acceleration , and engine overheatingcan causerough idle , hesitation on acceleration , and engine overheating

Rough idle(passive) can also be caused byRough idle

poor fuel and engine performancecan causepoor fuel and engine performance

to serious engine problems in the long runcould leadto serious engine problems in the long run

to rough idle , knocking , poor engine performance and fail emission testmay leadto rough idle , knocking , poor engine performance and fail emission test

Vehicle stallingCausingVehicle stalling

vehicle stallingcausingvehicle stalling

a carCan ... causea car

to poor engine performancewill leadto poor engine performance

the P0401 codecertainly could causethe P0401 code

your Escape to fail state emissions ' testingcan causeyour Escape to fail state emissions ' testing

to the removal and inspection of the valvemay leadto the removal and inspection of the valve

in excessive carbon / sootcan resultin excessive carbon / soot

the valve to get stuck opencan causethe valve to get stuck open

you to stall in unwanted situationsmay causeyou to stall in unwanted situations

unstable engine revs lost in power etccausesunstable engine revs lost in power etc

you to stall in unwanted situations But from an environmental point of view , a failing EGR valve will cause harmful gases to be released into the environmentmay causeyou to stall in unwanted situations But from an environmental point of view , a failing EGR valve will cause harmful gases to be released into the environment

too much backpressurecausingtoo much backpressure

abnormal emissioncan causeabnormal emission

in improper engine combustionwill resultin improper engine combustion

completely different symptoms from the first two timescan ... causecompletely different symptoms from the first two times

the engine to idle roughly or overheatmay causethe engine to idle roughly or overheat

vehicle to hesitate and idlecausingvehicle to hesitate and idle

your Check Engine light to come on , in which case a code reader may reveal the culpritmay also causeyour Check Engine light to come on , in which case a code reader may reveal the culprit

both codesis causingboth codes

the issues(passive) caused bythe issues

Limp modewould causeLimp mode

it to not start orwould causeit to not start or

a rough idlewill causea rough idle

a surgingcould also causea surging

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Smart Reasoning:

C&E

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