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Home >> Jeep >> 1990 >> Wagoneer >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes >> Engine Backfires, Fails To Start

Engine Backfires, Fails To Start

Verify ignition timing is correct, check for moisture in distributor or faulty distributor cap and verify that ignition wires are connected in proper firing order. See BASIC TESTING article.