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 MANUALSFORD1985THUNDERBIRD BASE, 2.3 W, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSIS1.6L & 2.3L EFI/TURBO TESTSTESTINGCONTINUOUS SELF-TEST PROCEDURE
1985 Ford Thunderbird Base, 2.3 W, Automatic
Continuous Self-Test Procedure
1985 Ford Thunderbird Base, 2.3 W, AutomaticSECTION Continuous Self-Test Procedure
- Codes shown in this test are intermittent service codes. Unless instructed otherwise, do not disconnect any sensor with ignition turned ON as this may cause a service code to be stored.
- Verify that all previous Self-Test procedures indicated a pass (Code 11). If any On De,and code is displayed during this test, repair it first, as some hard failures will set a code in Continuous Self-Test.
- Perform key ON/Engine OFF Self-Test. When the first service code is appears, exit Self-Test program by disconnecting STAR tester or by removing jumper wire from Self-Test input. Exiting Self-Test in this manner will clear all codes stored in continuous memory.
- Repeat Key ON-Engine OFF Self-Test. If code output is not 11-10-11, check Self-Test Input (STI) for short to ground. Repair short and repeat Key ON/Engine OFf Self-Test. If code output is 11-10-11, go to next step.
- Check list of Continuous/Memory codes that were recorded in Key ON/Engine OFF and Engine Running Self-Tests. Disregard any codes that have already been repaired. To confirm remaining codes, perform Continuous Monitor (Wiggle) 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.