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 - BASIC TESTING - V6FAILURE TO START TEST3.3L
1990 Dodge and Ram Dakota LE, 2D Pickup, 3.9 X, 4WD, Automatic
Failure To Start Test: 3.3L
1990 Dodge and Ram Dakota LE, 2D Pickup, 3.9 X, 4WD, AutomaticSECTION 3.3L
- Ensure sufficient battery voltage (12.4 volts) is available to operate cranking and ignition systems. Connect voltmeter between B+ wiring harness coil connector and ground. See Fig 1 .
- Crank engine for 5 seconds while monitoring voltage at B+ terminal. If voltage remains near zero during entire period of cranking, see appropriate G - TESTS W/ CODES article in this section to check SBEC and ASD relay.
- If voltage is near battery voltage and drops to zero after 1-2 seconds of cranking, see appropriate G - TESTS W/ CODES article to check cam and crank sensor circuits to SBEC.
- If voltage remains near battery voltage during entire 5 seconds, turn ignition off. Disconnect SBEC 60-pin connector. Check 60-pin connector for loose terminals (push-outs).
RENDER: 1.0x
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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.