I replace my Idle Air Control Motor and drove the car to reset everything and I am still having idling problems. I believe its something to do with vaccum. All my lines are hooked up correctly except for the one I removed when I took off the smog pump. I took off the line and made one line from my fuel pressure regultar to my throttle body. My car is throwing a code and I took it to the auto store today and their computer wouldn't talk with my computer. So now I am clueless. Anybody have any suggestions??

btw the car idles fine until it warms up and goes into open loop but once its in open loop the idle does not want to go below 2,000 and when it does it has a alot of trouble idling

 

well im gonna take a shot...with all the mods you have im asumming you know for sure you tps sensor is ok,.,.im kinda confused tho you said the auto store 's comp cant talk to you comp in the car?? are you actually taking in the cars comp? or some kind of sensor?ive heard a way to check for air leaks is to spray som carb spray around all the hoses ,.and see if any idel changes then what its doing now,.,.

 

thats weird that your auto shop
couldn't figure out if there's a code present..

are you talking about the Idle Air Control valve?
because I think bad IAC valve can cause bad idle,
but i dont think it gives out service lights on since
its not a sensor..

 

I know autozone doesnt even deal with OBDI cars. They just turn you away. You can read the codes yourself with a paperclip.
Q: How can I display the error codes from a Service Engine Light?
A: If your car does not have the 12 pin DLC connector, you may not be able to manually "flash" your trouble codes. The language "may be possible" appears to suggest that this method should work with most, if not all, 12 pin DLC equipped cars.
THE CONNECTOR
----------------------- | 1 2 3 4 5 6 | | 7 8 9 10 11 12 | -----------------------
DISPLAYING THE TROUBLE CODES
Run a wire/hairpin from Pin 6 to Pin 12 with the ignition off (although on later cars it should be from Pin 5 to Pin 6), then turning the ignition to the on position without starting the engine will flash the "Service Engine Soon" light in the following sequence: flash, pause, flash-flash, long pause flash, pause, flash-flash, long pause flash, pause, flash-flash, long pause Following this "12" code repeating three times will come any trouble codes stored, flashing each of them three times. If you do not see the "12" flash three times, your diagnostic circuit is defective. Some vehicles will display stored trouble codes, then "12" again, followed by energizing "most system controlled relays." The fuel pump relay will not energize. The idle air control valve will fully extend to enable checking minimum idle speed.
CLEARING THE TROUBLE CODES
Turn the keyswitch to the off position. To clear any trouble codes, disconnect the power feed for 30 seconds. If this is done at the battery, and your car stereo is equipped and programmed with a four digit pin code, you may have to re-enter that as well to use your stereo again. A better place to remove power is at the fuse.
TROUBLE CODES

12.No reference pulses to Electronic Control Module (ECM).
13.Oxygen sensor signal stays lean during warm engine cruise
14.High temperature indicated at engine coolant temp sensor
15.Low temperature indicated at engine coolant temp sensor
16.High battery voltage OR Direct inition system open or shorted to ground
17.RPM signal problem
18-20.N/A
21.High voltage at throttle positon sensor
22.Low voltage at throttle positon sensor OR Fuel cutoff relay circuit open or shorted to ground
23.Low temperature at manifold air temperature sensor OR Throttle position sensor error
24.Circuit fault in vehicle speed sensor
25.High temperature at manifold air temperature sensor OR Vacuum switching valve circuit open or shorted to ground OR High voltage at ATS sensor
26.Fault in quad driver module
27.Fault in 2nd gear switch
28.Fault in 3rd gear switch
29.Fault in 4th gear switch
30.N/A
31.Low voltage at manifold absolute pressure sensor OR Fuel injector OR Park or neutral switch OR CAM diagnostic OR Governor malfunction OR Wastegate overboost OR Wastegate eletrical signal open or shorted to ground
32.Fault in barometric pressure sensor circuit OR Fault in exhaust gas recirculation valve diagnostic switch OR Fault in electronic vacuum regulator valve
33.High voltage (low vacuum) at mass air flow sensor (or MAP sensor)
34.Low voltage (high vacuum) at mass air flow sensor (or MAP sensor)
35.Idle speed can not be set to desired RPM
36.Burn off at mass air flow sensor OR Problem in transmission shift OR Fault in direct ignition system OR Missing pulses in electronic spark timing signal
37.N/A
38.Fault in torque converter clutch brake switch
39.Fault in torque converter clutch circuit
40.N/A
41.Fault at cam sensor OR Cylinder select error OR Tach input error
42.Fault at electronic spark timing circuit OR Fault at direct ignition system OR Fault at fuel cutoff relay circuit
43.Low voltage at electronic spark timing circuit
44.Oxygen sensor lean
45.Oxygen sensor rich
46.Fault at vehicle anti-theft sytem OR Fault at power steering switch
47.Problem at Electronic Control Module (ECM)
48.Misfire
49.Vacuum leak
50.N/A
51.PROM error
52.Problem at Electronic Control Module (ECM) - Missing fuel calpac missing OR Analog to digital converter error OR Fault at quad driver module OR Low voltage at oil temperature sensor
53.High voltage at battery OR High voltage at exhaust gas recirculation valve OR Voltage reference error OR Problem at vehicle anti-theft system
54.Low voltage at fuel pump OR Low voltage at Fuel pump relay OR Output failure at quad driver module
55.Problem at Electronic Control Module (ECM) - ECM failure OR Serial bus error OR Fuel lean malfunction
56.Low coolant or corrosivity OR Fault in port throttle system vacuum sensor
57.N/A
58.Problem at vehicle anti-theft system
59-60.N/A
61.Oxygen sensor degraded OR Port throttle system error OR Cruise control problems
62.Gear switch input diagnostics OR High voltage at oil temperature sensor OR Fault in cruise control- vacuum solenoid circuit
63.High voltage at manifold absolute pressure sensor OR Fault in exhaust gas recirculation valve OR Fault at right oxygen sensor
64.Low voltage at manifold absolute pressure sensor OR Fault in exhaust gas recirculation valve OR Right oxygen sensor lean
65.Failure at exhaust gas recirculation valve OR Faulure at injector peak/hold diagnostic OR Right oxygen sensor rich OR Fault at cruise control position sensor
66.Internal reset of Electronic Control Module (ECM)
67.Fault at cruise control switch
68.Fault at cruise control switch
69.Fault at air conditioner pressure switch
70-87.N/A
88.Internal reset of Electronic Control Module (ECM)
| 1 2 3 4 5 6 |
| 7 8 9 10 11 12 |

 

i can get code 12 to come up with a paper clip but how can I transalate the flashes into codes?? I am getting a code with 3 quick flashes. Also my radiator fans kicks on when I stick the paper clip in. Is that normal??

 

It will flash the number of the first digit of the code, pause, then flash the second digit. Also, it is normal for the fan to come on.

 

did you adjust the iac valve by wiggling the pintle and changing the lenghth that it sticks out? you may want to try that. theres also a torx screw behind the place where the spring on the tb is, this screw sticks out pointing towards the front of the car and acts as a bump stop where the... throttle plate rests and you can adjust the idle that way too.

 

does all this apply to my 91 r/s camaro? [ cause either wat thats a copy an save rite ther]

 

that works on all 3rdgens

 

this info really really helps thank you very very much!