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.
Testing & Diagnosis Information
The direct ignition system is an integral part of the engine's Computer Command Control (CCC) system. See the appropriate TESTS W/ CODES article in the COMPUTER ENG CONTROL or ENGINE PERFORMANCE sections under the ENGINE PERFORMANCE category. Refer to the following menu:
If engine cranks but will not run or if it stalls, CHART A-3 must be used to determine if failure is in the direct ignition system or fuel injection system. See the appropriate TESTS W/ CODES article in the COMPUTER ENG CONTROL or ENGINE PERFORMANCE sections under the ENGINE PERFORMANCE category. Refer to the following menu:
- 2.0L VIN [1] TBI TESTS W/CODES - 2.0L, VIN 1
- 2.0L VIN [K] / 2.5L VINS [R & U] TESTS W/CODES - 2.5L, VIN U
- 2.8L PFI TESTS W/CODES - 2.8L, VINS S, W & 9
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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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