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 MANUALSFORD2021EXPLORER XLT, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - DIAGNOSTIC METHODS (EXCEPT DIESEL & HYBRID)DIAGNOSTIC TOOLS
2021 Ford Explorer XLT, RWD
Diagnostic Tools
2021 Ford Explorer XLT, RWDSECTION Diagnostic Tools
Below is an equipment list with corresponding part numbers:
REQUIRED EQUIPMENT:
- Vehicle Communication Module (VCM) and Integrated Diagnostic System (IDS) software with appropriate hardware, or equivalent scan tool with functionality described in Scan Tool Setup And Functionality.
- Vehicle Communication Module (VCM) and Ford Diagnosis and Repair System (FDRS) software with appropriate hardware, or equivalent scan tool with functionality described in Scan Tool Setup And Functionality.
RECOMMENDED EQUIPMENT:
- Evaporative Emission Leak Detector With On Board Nitrogen Generator 218-522C or equivalent.
- Rotunda Vacuum/Pressure Tester 164-R0253 or equivalent. Range 0-101.3 kPa (0-30 in-Hg.) Resolution 3.4 kPa (1 in-Hg.)
- Fuel Pressure Test Kit 310-D009 (D95L-7211 A) or equivalent.
- Fuel Pressure Test Adapter 310-180 or equivalent.
- Digital Multimeter (DMM) FLU77-4 or equivalent.
- Adjustable Ignition Spark Tester THX458 or equivalent.
- Rotunda Test Light SGT27000 or equivalent.
- Fuel Pressure T Adapter (5/16") 310-D251 or equivalent
- Deluxe Noid Lite and Signal Test Light Set AST7898 or equivalent.
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.