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.
1990 Chrysler ImperialFACTORY OEM SERVICE PROCEDURE
Start Counter
- A start counter will appear along with fault displayed on DRB-II. As an example, DRB-II will display 0 SINCE THIS FAULT. The start counter shows how many engine starts have occurred since last fault was stored.
- This helps determine if fault is intermittent. Memory space limits start counter to first 3 faults. If more than 3 faults are stored, start counter will display third fault with a 3 +.
Factory Service Tools
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.