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TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
Some 2019-2022 Ranger vehicles not equipped with an engine appearance cover may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P0300, P0301, P0302, P0303, P0304 and/or P0316 stored in the powertrain control module (PCM). This may be due to water build up in the spark plug well(s) which can lead to signs of corrosion on ignition system components. To prevent reoccurrence, an engine appearance cover must be installed on the vehicle. Currently, the engine cover (SPN: L1MZ-6A949-A) is not available to order and a new engine cover kit is being released. Repair the vehicle by replacing suspect ignition system components and schedule an appointment with the customer to have an engine cover installed when the engine cover kit becomes available in April 2023. Monitor OASIS for updates

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Date Published
DEC 08, 2022
NHTSA TSB #
10228855
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