Ok here we go. It all started two weeks ago. We were out running errands when the car dies. Blah,blah.blah.Towed home. Found out the fuel pump went south. After changing the pump, had a no start situation. Pulled the code, came up bank 1 lean. Changed the o2 sensor and it started but ran like crap. It would stumble and stall on acceleration and deceleration " acted like vacuum leak on old carbed motor". still reads bank 1 lean. Changed the MAP sensor "no change". Changed the fuel filter, cleaned the MAF, changed the plugs, etc.Finally got around and changed the fuel pressure regulator. That took care of the stumbling and stalling for the most part"still does it a little but at least its drivable". Now I have a warm start problem. I've got to wait til the motor cools til it starts again.Since its a temperature based problem I'm thinking its a temp sensor,but not to sure. Would the IAT cause a no start while engine is still warm? I've had no problems with this car for the 1 1/2 years I've had it.
Could someone please guide me in the correct direction?