Code : P0068
Make : BUICK
Description : P0068 BUICK MAP/MAF – Throttle Position Correlation
Possible causes :
– Air leak between the MAF sensor and throttle body
– Dirty Throttle body or Mass Air Flow (MAF) sensor
– Throttle Position (TP) sensor not seated properly
– Faulty Throttle Position (TP) sensor
– Faulty Mass Air Flow (MAF) sensor
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.
