Affected Component: ENGINE (PWS)

Date Published
FEB 08, 2013
NHTSA TSB #
10097325
TSB Document
Summary
SOME VEHICLES MAY EXPERIENCE DIFFICULTY WITH ENGINE STARTING IN THE WINTER (CRANKS BUT NO START), BUT CAN BE STARTED USING THE DE-CHOKE MODE WITH NO DTC RECORDED. THIS IS CAUSED BY IMPROPER CONTROL LOGIC OF THE PCM. TO CORRECT THE PROBLEM, THE CONTROL LOGIC OF THE PCM HAS BEEN CHANGED.DE-CHOKE MODE1.FULLY DEPRESS THE ACCELERATOR PEDAL AND CRANK THE ENGINE FOR 4 TO 5 SECONDS.2.TURN THE IGNITION SWITCH TO THE LOCK POSITION AND RELEASE THE ACCELERATOR PEDAL.3.START THE ENGINE WITHOUT DEPRESSING THE ACCELERATOR PEDAL.