Range Rover County LWB (LH) V8-4.2L (1993)
Engine Control Module: All Technical Service Bulletins
PCM - Revised Prom Improves Starting Quality
Bulletin: P92-025
Section: Product
Date: 12/15/92
Model: Range Rover
Applicable to: USA/Canada
SUBJECT:
Service Action H8O5 - 1993 Range Rover County LWB
In order to improve the starting quality of the 1993 Range Rover LWB the Factory has developed a new PROM (Programmable Read Only Memory)
chip for the Engine Control Module (ECM). The new PROM is currently being installed at our U.S. Ports on all County LWB's.
To ensure customer satisfaction and uniformity, all vehicles already in service will be updated at the next service opportunity. Update any unmodified
in-stock vehicles during PDI.
No customer notification will be made.
AFFECTED VEHICLES
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All 1993 Range Rover County LWB vehicles not previously updated.
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Port updated vehicles are identified with a Service Campaign label on the radiator support panel near the vehicle emissions label.
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A safe VIN will be announced by E-Mail once known.