Investigation PE87048: 1987 Jeep Cherokee

Status

CLOSED

Opened

Aug 19, 1987

Closed

Mar 10, 1988

Model years

1987

Subject

High speed stalling

Component: Vehicle speed control › Linkages

Summary

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 NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.

Model years covered

• 1987 Jeep Cherokee57 complaints