Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1990RANGER 4WD L4-140 2.3L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMTECHNICAL SERVICE BULLETINSRECALLSGENERALSCAMPAIGN - SPARK PLUG REPLACEMENT LABELATTACHMENT I - ADMINISTRATIVE INFORMATION
1990 Ford Ranger 4WD L4-140 2.3L SOHC
Attachment I - Administrative Information
1990 Ford Ranger 4WD L4-140 2.3L SOHCSECTION Attachment I - Administrative Information
ATTACHMENT I
Special Field Action 94L04
ADMINISTRATIVE INSTRUCTIONS
DEALER ACTION
Owners will be mailed labels with instructions for installation. If an owner should return to have a label installed, refer to the following for labor allowance and reimbursement information.
Special Field Action 94L04
ADMINISTRATIVE INSTRUCTIONS
DEALER ACTION
Owners will be mailed labels with instructions for installation. If an owner should return to have a label installed, refer to the following for labor allowance and reimbursement information.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.