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Home >> Dodge and Ram >> 1987 >> Pickup D150, 5.2 2 >> Repair and Diagnosis >> Engine Performance >> System >> 3.7L/3.9/5.2L EFC System >> DRIVEABILITY (Dr) Tests >> Dr1B - Checking Computer Controlled Components >> Notes

Dr1B - Checking Computer Controlled Components: Notes

Connect diagnostic read-out box to engine harness connector. Place system into ATM Test Mode. Press and hold ATM button until first test code appears. Test components as follows: