85 Camaro won't idle without gas & running rich after battery disconnect
I recently bought a 1985 Z28 Camaro with the TPI
(Fuel injected) 5.0L 305 in it. The car was tunnjng
fine until I disconnected the battery. Upon
reconnecting it the car started dying at start up and
refusing to idle on it's own if I didn't give it gas. I
figured a sensor problem was the case so I
removed and cleaned the:
- Maf sensor
- Throttle Body
- Idle Air Control Valve
After putting everything back, the car now is
experiencing the same idke problems but is also
running rather rich and putting out a lot of black
amoke from the exhaust. I should also mention that
trying to apply too much throttle will occasionally
stall the engine as well.
I am trying to figure this out but am torn on what to
direct my attention to. My guesses are problems
with: MAF Sensor, Throttle Position Sensor, EGR
Valve, or the Idle Air Control Valve.
Any experience or advice?