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 MANUALSDODGE AND RAM1990DAKOTA LE, 2D PICKUP, 3.9 X, 4WD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/O CODESNO START - COLD ENGINE
1990 Dodge and Ram Dakota LE, 2D Pickup, 3.9 X, 4WD, Automatic
No Start - Cold Engine
1990 Dodge and Ram Dakota LE, 2D Pickup, 3.9 X, 4WD, AutomaticSECTION No Start - Cold Engine
- Ensure battery is fully charged
- Check spark plugs
- Check fuel pump fuse(s)
- Check in-line fuse to control unit (if applicable)
- Ensure ignition timing and fuel pressure are correct
- Check fuel injectors
- Ensure timing belt is not broken (if applicable)
- Ensure ignition coil resistance is correct
- Ensure rotor, distributor and plug wires are okay
- Check ignition control unit
- Check coolant temperature sensor and connector
- Check throttle switch and connector (if applicable)
- Check engine speed sensor
- Check airflow sensor
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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.