hey guys
At idle and when the car warms up the blm is about 100. The car does idle a little rough, but no hesitation or miss.
checked fuel press ign. on 41 psi, at idle 37 psi, and idle vacum disconnected 44 psi. Pinched return hoes and jumps to 75psi+.
Fuel press reg hold vacum and is not leaking. Fuel press reg. vacum source is approx. 18 inches. Evap is not purging at idle, no change with evap disconnected.
I did get a code 33 high circuit voltage but i think its a false code because map is in range.
O2 crosscounts are very low and slow so O2 is probably shot.
Theres also about 225K on the motor.
I did perform a injector flush yesterday and engine does seem to run better while driving but not when idling. If the injectors were to leak down then it would cause a hard start problem right, it starts fine cold and hot.
any ideas or suggestion will be greatly appriciated!!!!

 

What degree thermostat is in it?
What temp does the car run when warmed up?
I've got a 160 stat in my car and it generally runs rich.....

 

Start with a fresh O². That may solve the majority of the problem.