NHTSA safety investigation
NHTSA Investigation PE87048
Preliminary Evaluation · Chrysler (FCA US, LLC) · VEHICLE SPEED CONTROL:LINKAGES
An investigation is not a finding that a defect exists.
NHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.
What NHTSA is examining
The agency's own description of the inquiry, quoted as published
HIGH SPEED STALLING
SUMMARY OF INFORMATION FROM MANUFACTURER:THE FUEL INJECTED 6 CYLINDER(242 CID) IN-LINE ENGINE IS APPARENTLY NEW TO THE INSTALLATION INTO THEJEEP CHEROKEE.ANALYSIS:THE FUEL INJECTED ENGINE ALLEGEDLY STALLS WHILE THE VEHICLE ISCRUISING AT HIGHWAY SPEEDS (35-55MPH).TWO FAILURE MODES HAVE BEENIDENTIFIED, STALLING WHEN CORNERING OR GOING OVER A BUMP AND THE OTHERIS ENGINE STALL WHILE CRUISING--USUALLY IN HIGH AMBIENT TEMPERATURESITUATIONS.JEEP HAS IDENTIFIED A PROBLEM WITH THE EXHAUST MANIFOLDGASKET FIT TO THE CYLINDER HEAD WHICH AFFECTS THE HIGH TEMPERATUREPERFORMANCE OF THE CPS (CRANK POSITION SENSOR/ENGINE SPEED SENSOR)MODULE. CHRYSLER/JEEP HAS A TASK FORCE TO STUDY THE PROBLEM.STATUS:CRECOMMEND CLOSING THIS PE AND CONTINUING THE ANALYSIS IN AN EA.#===
An investigation is a separate record from a recall and from a manufacturer communication. A manufacturer campaign to repair a safety defect or a failure to meet a federal safety standard.
Investigation details
Identifiers, dates and outcome as recorded by NHTSA
- Action number
- PE87048
- Investigation type
- Preliminary Evaluation (PE)
- Status
- Closed
- Manufacturer
- Chrysler (FCA US, LLC)
- Component
- VEHICLE SPEED CONTROL:LINKAGES
- Opened
- Aug 19, 1987
- Closed
- Mar 10, 1988
- Associated recall campaign
- None recorded
Vehicles named in this investigation
1 model year across 1 model
Being named here means NHTSA included the vehicle in the scope of its inquiry. It is not a statement that these vehicles have a defect.