Hey guys, last weekend I bought an 89 gl 5 speed d/r. The check engine light was on when it, and when it was cold it didn't want to idle. Warmed up it ran fine. This weekend I put an air filter, fuel filter, plugs, wires, cap, rotor, pcv valve in it and changed the oil. I filled the tank and put a can of seafoam in it too. I drove it to my dad's house yesterday and on the way home it started to studder while driving. Today it is idling really rough, and when I tap the gas it dies. I checked the