on my 94 i had the problem thought i was the maf did the timing replaced the tps and still had a similar problem then i gave it to my dad he didnt trust the resurfaced head on the truck wen and bought a new oem replacement and while taking it apart we found out the the rocker arms assembly was crap and tht ending up being tht problem it looked as if some1 took a grinder and grinded the botton of the rocker assembly but tht was on this truck

 

so a valve adjustment with a can of b-12 chemtool in the gas tank with a fresh oil change with synthetic oil and a nice high quality filter.


As for your injectors, make sure the wires are going to the right ones.


oh yeah, i hope that cold start sensor isn't sticking.

 

Bad ECU?