I replaced my Idle Speed Control Valve as soon as I got it because it was idling poorly when cold, fixed the problem (seems standard on these trucks).
I love this truck! The legendary 4.9 in line 6 definitely doesn't disappoint, it has tons of torque and is very easy to work on. It is what it is, a reliable hauler. I swapped an 87 Chevy Iroc Z-28 for it, I love the much better gas mileage and the dual tanks on the truck. I do wish the manual transmission was beefier than the 5 speed Mazda, but it does the job. I've owned 3 Ford Rangers (highly recommend) and a 97 F150 with the 4.6 V-8 (I loved that truck too, just had issues for a first year edition) and am very happy and proud to own a legendary F150 as the 89 in line 6 clynder manual transmission short bed pickup (wouldn't trade it for anything, not even a coup deville!). 180,500 miles and still running strong, highly recommend!
Well, I own the same year F150 and bought it with 50,000 miles in 94. She has 205,000 miles on it today and she doesn't burn oil between changes. Betsy has a 5.0 302 under the hood and has been through all 5 of my children... learning to drive and whatever came her way. I would not hesitate to go cross country.
I sure miss my 89 F150! I sold it to a buddy of mine for $1000. Just recently he accidentally drove it through his garage door when he was starting it (must of had it in gear when he started it). I'm out on a hunt for another Ford!