99-03 7.3 Motor Problems
Have a 2001 7.3 installed all new glow plugs, relay, harness and it was starting amazing sat for 3 weeks went to fire it up and it needed ether and about 20 minutes of cranking to go. Ran like crap till I started it 3 days in a row and drove it a few miles. Now it runs like new but same issue 3...