battery light intermittant

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95SHOgirl

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Ok before anyone tells me to do a search, I have done that. I've also pulled my codes.

(o) engine off
(R) engine running


Codes: (o)

111
117-Coolant Temperature circuit below minimum voltage/indicates above 245 degrees F (car was not warmed up when I did the test)

121-Throttle Position sensor out of self-test range

217-PCM detected coil 3 primary circuit failure

454-Servo leaking up (KOER IVSC test) I don't understand why I have this code with the engine off?

621-Shift Solenoid 1 (SS 1) circuit failure KOEO

Codes: (R)

116-Coolant Temperature sensor out of self-test range ( car not warmed up)

136-Heated oxygen sensor indicates lean condition, left side (o2's are going into the car on monday

521-Power steering pressure switch (PSP) circuit did not change states

536-Brake ON/Off (BOO) circuit failure/not activated during the KOER ?

538-Insufficient change in RPM/operator error in Dynamic Response Check

End of Codes.


Now I've changed the starter because it went out on me. I've changed the IAC because I was getting idle drops whenever I would push on the clutch to shift down and come to a stop. The o2 sensors will be replaced on Monday. The alternator was checked just today with a voltage meter and it still giving out the power it is supposed to be giving out. We checked with the engine running and everything on and with the engine off. The battery is old 2001 however no sign of weak battery. Recommended that I replace the battery. I forgot to reset the computer when I replaced the IAC. Not sure if that is the reason that I still am getting idle drop when coming to a stop. Of course gas milage is very poor. I can fill my car up with $40 of gas and be on empty after going only 130 miles. I do have a lead foot. Battery light comes on only when coming to stop or accelerating hard. Once I continue driving, it will go off until I accelerate or brake. Battery light does not come on if I'm driving on the highway and I'm cruising. Cel comes on and off. The airbag lights come on and give a code:

4
2

Most important is the battery light because this could mean the alternator is going and I dont want to be left at a distance so far away from home. However, according to the shop I took it at, the alternator is fine. Could the battery and o2 sensors be the cause of all this mishap?


Thanks
 

Ishodu

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I would take the alt for testing under load. Volts is the force of the electricity. There may not be enough current being made by it under high load conditions.
I would also suggest that you clear your codes and run them again correctly with engine warm and all that. The 500 codes are operator errors. You need to goose the throttle turn the wheel and hit the brakes when doing the KOER codes. Read the instructions carefully for the next them you do the codes.
 

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