Map is dominant fuel control.
If engine vacuum is low or if vacuum to the map is low the code will set and the car will run extremely rich and very poorly.
1)For the few seconds the car runs what is engine vacuum reading at a manifold source?
Is vacuum reading in the 16"-20" HG range?
Repair engine mechanical issue or large vacuum leak.
2)For the few seconds the car runs what is vacuum reading to the Baro solenoid and from the Baro to Map?
Is it 16"-20" HG?
NO...Repair vacuum system to Baro Solenoid
3)What is vacuum reading at Map Sensor?
Is it the same as manifold vacuum(16"-20" HG)?
Repair vacuum from Baro Solenoid to Map Sensor.
(Vacuum lines hooked correctly to/from Baro?)
Test Map Voltage
TESTING MAP VOLTAGE(CODE 13 DIAGNOSTICS)
Code 13 Diagnostics