Hesitation, Sag, Stumble

Momentary lack of response as the accelerator is depressed.



POSSIBLE CAUSE ACTION


Defective throttle valve operation Check for binding linkage or mis-adjustment.




TPS sensor mis-adjusted See ADJUSTMENT PROCEDURES.




Low fuel pressure See Diagnostic Charts A-7A, A-7B.




EGR operation see Diagnostic Chart C-7.




CTS or MAP sensor data skewed See Trouble Code Charts.
or false codes 14, 31, or 32




ECM faulty See ECM Resistance check in ELECTRICAL and ELECTRONIC SPECIFICATIONS Section.