How do you reset the check engine light on a 1998 dodge truck?

You can't reliably reset a check engine light on a 1998 Dodge truck (or most modern vehicles) by simply disconnecting the battery or similar simple tricks. Those methods might temporarily clear the light, but the underlying problem will remain, and the light will likely come back on. The light is there to tell you there's a problem that needs to be addressed.

To properly address the check engine light on your 1998 Dodge truck, you need to:

1. Get the Diagnostic Trouble Code (DTC): You'll need to use an OBD-II scanner to retrieve the code(s) stored by the vehicle's computer. Auto parts stores often offer free code reading services. This code will give you a clue about what's causing the light to illuminate.

2. Fix the Problem: Based on the DTC, you (or a mechanic) can diagnose and repair the underlying issue. This could range from a loose gas cap to a more serious problem with the engine or emissions system. Ignoring the problem could lead to further damage and potentially expensive repairs down the line.

3. Clear the Code (After Repair): Once the problem is fixed, you can use the OBD-II scanner to clear the code. The check engine light should then turn off. If the light comes back on soon after, the problem likely hasn't been fully resolved.

Do NOT simply ignore the check engine light. It's there for a reason, and driving with a malfunctioning system can damage your vehicle and potentially cause safety hazards. Get it diagnosed and fixed properly.