Hard to start 2000 Tahoe

[troutman]

I recently replaced my fuel injectors. Went from 2 hole mist to 4 hole. Operation was a success, got rid of my misfire, engine runs great, but now is difficult to start when the engine gets warm. Any suggestions?

 

[strutaeng]

What engine is this? You still have 4 cylinders misfiring? I didn't understand that part? But you said no more misfire, so that's good.

You need to do a static fuel pressure check, then see if pressure holds after you shut the engine off.

 

[Fless]

What engine is this? You still have 4 cylinders misfiring? I didn't understand that part? But you said no more misfire, so that's good.

You need to do a static fuel pressure check, then see if pressure holds after you shut the engine off.

^^^ THIS. Probably a leaky injector. What specific injectors (vendor, brand, etc.) were used?

Along with the fuel pressure leakdown test, next time it won't start warm floor (and hold down) the accelerator to turn off the injectors ("clear flood mode") and see if it starts. Then do an injector balance test with a capable scanner.