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.
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 .
- Rotunda Smoke Machine, Fuel Evaporative Emission System Tester 218-00001 (522) or equivalent.
RECOMMENDED EQUIPMENT:
- 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-7211A) or equivalent.
- Fuel Pressure Test Adapter 310-180 or equivalent.
- Digital Multimeter (DMM) FLU77-4 or equivalent.
- Adjustable Ignition Spark Tester THX458 or equivalent.
- Non-powered test lamp.
- Fuel Pressure T Adapter (5/16") 310-D251 or equivalent
- Deluxe Noid Lite and Signal Test Light Set AST7898 or equivalent.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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