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 Geo Tracker Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Fuel Injector

Check resistance across injector terminals. See INJECTOR RESISTANCE SPECIFICATIONS table in this article. If resistance is not within specification, replace injector.

INJECTOR RESISTANCE SPECIFICATIONS

Application

Ohms

Tracker

⁽¹⁾ 1.0-2.0

⁽¹⁾	Resistance of fuel injector resistor is 1.9-2.1 ohms.

Chapter Navigation

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Factory Service Tools

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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.