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 MANUALSJEEP1989WRANGLER BASE, 4.2 T, STANDARD, BA10/5REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEM2.5L TBI CEC TESTINGTESTINGSELECT VEHICLE
1989 Jeep Wrangler Base, 4.2 T, Standard, BA10/5
Select Vehicle
1989 Jeep Wrangler Base, 4.2 T, Standard, BA10/5SECTION Select Vehicle
- The "SELECT VEHICLE" option provides a means which the user may enter information about vehicle being tested. Usually this option will have more than one display screen. Use "Enter" key to enter vehicle information. If an option is not available for vehicle being tested, DRB-II will not display that option.
- When all information about the vehicle is entered, DRB-II will display a summary of information technician entered as a confirming menu. DRB-II will show an additional option marked "CONFIRM". If information is correct, press "CONFIRM". DRB-II will display "MAIN MENU".
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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.