1995 4.9 4wd 142k 5spd

New plugs, wires, fuel filter, air filter, oil change, timing is at 10 btdc iirc .

Previous owner says he replaced the distributor. Looks new to me. Newer cap and rotor also.

Truck has a nasty misfire at idle. No vacuum leaks either.

Is there something I'm missing?

 

Have you checked for codes? If there is no codes and you say its all new? You can check
Fuel pressure, and run a can of sea foam in gas to clean the fuel injectors! A dirty injector
Will cause a skip too.

 

I have ran two bottles of seafo through it.

 

Haven't tried to run any codes as I only have a obd2 reader and I don't know how to pull the codes off these old trucks, I'm used to my old super duty lol

There is no cel either

 

You get obd1 code readers at any auto parts store under 30 bucks or there is a sticky on how to pull the codes for the 87 thr 96 trucks, go to pre 97 model truck section and it is will be listed there

 

Sorry then go to 87 to 96 section then you will see the
Stickies section how to retrieve codes for obd1

 

Ok cool thanks bud ill keep you guys posted