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P0068 MAP/MAF - Throttle Position Correlation
symptoms
Engine will run rough, or idle rough
Engine may not accelerate well
May have a dead spot in acceleration
Cause
Dirty air cleaner, or obstruction in air flow
Vacuum leak between the MAF and intake manifold
Leak in the intake manifold
Bad sensor or connectors
Bad throttle body
Blocked hose from intake manifold to MAP sensor
the fix
Repair any vacuum leaks, inspect all hoses and connections
replace air filter or remove obstructions
Repair or replace any bad wire connectors
Clean any hoses that are gunked up
Test and or replace the MAF, TPS, and MAP sensors
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P0068 MAP/MAF - Throttle Position CorrelationsymptomsEngine will run rough, or idle roughEngine may not accelerate wellMay have a dead spot in accelerationCauseDirty air cleaner, or obstruction in air flowVacuum leak between the MAF and intake manifoldLeak in the intake manifoldBad sensor or connectorsBad throttle bodyBlocked hose from intake manifold to MAP sensorthe fixRepair any vacuum leaks, inspect all hoses and connectionsreplace air filter or remove obstructionsRepair or replace any bad wire connectorsClean any hoses that are gunked upTest and or replace the MAF, TPS, and MAP sensors
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