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.
Test 11, Right Coil Pack Fault, Isolate Dis Module
With key off, disconnect diagnostic cable connector from DIS module (Pins No. 7-12). See Fig 1. Repeat test procedures in TEST 10. If test light illuminates during both tests, replace DIS module, and check for fault codes. See TESTS W/CODES article in the ENGINE PERFORMANCE Section. If test light does not illuminate during both tests, go to next test.
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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.