So I recently swapped out my old 305 for a 305 off of a 1993 Caprice. I put everything in, the car starts, goes into gears and moves. The problem is when i push the gas the car lacks *****. It sounds like its choking. If it is in park, its a different story, it stays on. I hooked up a Solus Pro diagnostic tester and jotted what came up, but cant seem to make sense of it. Anyway, can someone maybe point me in the right direction. The reading is under this. Thanks.

1989 Chevy Camaro RS 305 TBI....
OPEN/CLOSED LOOP----OPEN
EXHAUST OXYGEN------LEAN
TPS (V)----------------0.72
BLOCK LEARN-----------128
IAC POSITION-----------160
A/F LEARNED------------NO
ASYNCH PULSE----------NO
PROM ID----------------3651
COOLANT (*C)----------42
MAT (*C)---------------35
MAP (KPA)--------------98
MAP (V)----------------4.76
ESC COUNTER----------0
KNOCK-----------------0
CLEAR FLOOD-----------NO
BATTERY---------------11.5
HIGH BATTERY----------NO
LOW BATTERY-----------NO
AIR DIVERT SOL----------DIV
AIR SWITCH SOL---------CONV
VEH SPEED---------------0
P/N SWITCH--------------P-N--
TCC COMMAND-------------NO
TCC APPLY CKT------------NO
4-3 DOWNSHIFT-------------NO
HIGH GEAR------------------YES
A/C REQUEST----------------NO

 

well you TPS (throttle position sensor) is reading .72 volts which is idling. http://www.aa1car.com/library/tps_sensors.htm

and your O2 sensor is reading lean

but the main problem is is the map/maf sensor. It is showing 4.76 volts which is close to wide open throttle according to this http://www.aa1car.com/library/maf_sensors.htm

so i would say intake/vacuum leak, MAF vacuum line on the wrong spot, or bad MAF

the MAF sensor just measures vaccuum.

you should be getting codes for 33 (MAF sensor) and 44 (lean O2)

 

This is what I get as of today. The car now runs and runs good. After I hit 65 mph, the check engine light comes on. The codes I recieve are...
24 No Vehicle Speed Signal Recieved
42 Electronic Spark Timing (EST) Problem

1989 Chevy Camaro RS 305 TBI....
OPEN/CLOSED LOOP----OPEN
EXHAUST OXYGEN------LEAN
TPS (V)----------------0.72
BLOCK LEARN-----------128
IAC POSITION-----------160
A/F LEARNED------------NO
ASYNCH PULSE----------NO
PROM ID----------------3651
COOLANT (*C)----------102
MAT (*C)---------------42
MAP (KPA)--------------99
MAP (V)----------------4.80
ESC COUNTER----------0
KNOCK-----------------0
CLEAR FLOOD-----------NO
BATTERY---------------11.6
HIGH BATTERY----------NO
LOW BATTERY-----------NO
AIR DIVERT SOL----------DIV
AIR SWITCH SOL---------CONV
VEH SPEED---------------0
P/N SWITCH--------------P-N--
TCC COMMAND-------------NO
TCC APPLY CKT------------NO
4-3 DOWNSHIFT-------------NO
HIGH GEAR------------------YES
A/C REQUEST---------------NO