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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

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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.