Jeep Repair Problems? Ask a Mechanic for Answers ASAP
YES THAT IS WHEN THE CODE COMES IN. ALSO A COUPLE MIS FIRE CODES WILL SET.
NO: 18-14-97 Rev.A
GROUP: Vehicle Performance
DATE: May 9, 1997
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 18-14-97, DATED APR. 4, 1997, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDE MODEL YEAR CHANGES FOR ZJ MODELS.
MIL illumination with the potential for a rough running engine between 2500 to 3000 RPM. The MIL may be illuminated due to one of the following DTCs:
Using the Mopar Diagnostic System (MDS) or the Diagnostic Scan Tool (DRB III) with the appropriate Diagnostic Procedures Manual, verify all engine systems are functioning as designed. If Diagnostic Trouble Codes (DTC's) other than those listed are present, record them on the repair order and repair as necessary before proceeding further with this bulletin.
Run the engine while monitoring the vehicle crank position signal. Slowly increase and decrease the vehicle engine rpm to determine if the vehicle crank position sensor signal is being lost. If no DTC's other than those listed above are present and the vehicle crank position signal is lost, perform the Repair Procedure.
This bulletin involves replacing the crank position sensor with a new part to allow adjustment closer to the engine flywheel.
POLICY: Reimbursable within the provisions of the warranty.
and the engine light goes on then? with the same code.