TSB 23-2011

TECHNICAL SERVICE BULLETIN
Illuminated MIL With Misfires DTCs/Water In Spark Plug Wells And/Or
Corrosion On Ignition System Components
23-2011
13 January
2023
Model:
Ford
2019-2022 Ranger
Issue: Some 2019-2022 Ranger vehicles 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 correct the condition, follow the Service Procedure to resolve the source of all DTCs and to
install an engine appearance cover.
Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria:
• 2019-2022 Ranger
• Illuminated MIL with DTCs P0300, P0301, P0302, P0303, P0304 and/or P0316 stored in the PCM
• Presence of water in one or more of the spark plug well(s) and/or signs of corrosion on ignition system
components
• Engine appearance cover not installed
Parts
Service Part Number Quantity
L1MZ-6A949-C
XG-3-A
1
Description
Engine Appearance Cover Kit
As Needed Motorcraft® Silicone Brake Caliper Grease and Dielectric Compound
As Needed indicates the amount of the part may vary and/or is not a whole number. Parts can be billed out as nonwhole numbers, including less than 1.
Warranty Status: Eligible under provisions of New Vehicle Limited Warranty (NVLW)/Emissions Warranty/Service
Part Warranty (SPW)/Special Service Part (SSP)/Extended Service Plan (ESP) coverage. Limits/policies/prior
approvals are not altered by a TSB. NVLW/Emissions Warranty/SPW/SSP/ESP coverage limits are determined by
the identified causal part and verified using the OASIS part coverage tool.
Labor Times
Operation
No.
Description
2019-2022 Ranger: Install Engine Cover Following The Service Procedure (Do Not Use
With Any Other Labor Operations)
232011A
Time
0.3
Hrs.
Repair/Claim Coding
Causal Part:
21022A68
Condition Code: 68
Service Procedure
1. Resolve engine misfire DTCs P0300, P0301, P0302, P0303, P0304, and/or P0316 per normal diagnostics outside
of this article. Refer to Powertrain Control/Emission Diagnosis (PC/ED) Manual. Proceed to Step 2.
2. Open the hood to access the engine compartment.
3. Locate the 2 engine appearance cover mounting bosses on the valve cover. (Figure 1)
Figure 1
4. Install the 2 engine appearance cover stud bolts to the valve cover and tighten to 10 Nm (89 lb-in). (Figure 2)
Figure 2
5. Lubricate each grommet on the engine appearance cover with silicone brake caliper grease and dielectric
compound or equivalent to aid in installation of the cover.
6. Install the engine appearance cover. (Figure 3)
Figure 3
7. Install the 2 engine appearance cover nuts and tighten to 10 Nm (89 lb-in). (Figure 4)
Figure 4
© 2023 Ford Motor Company
All rights reserved.
NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and
equipment to do the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides information
that could assist in proper vehicle service. The procedures should not be performed by "do-it-yourselfers". Do not assume that a condition
described affects your car or truck. Contact a Ford or Lincoln dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy
and Extended Service Plan documentation determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article.
The information in this Technical Service Bulletin (TSB) was current at the time of printing. Ford Motor Company reserves the right to supersede
this information with updates. The most recent information is available through Ford Motor Company's on-line technical resources.