The truck was running great, then one day, it didnt want to stay running, kept stalling, missing, etc. So i pulled the codes and this is what i got(each code showed 2x):

KOEO:

116 - ECT out of self test range 0.3 to 3.7 volts.

636 - TOT sensor voltage out of self test range.

114 - ACT out of self test range 0.3 to 3.7 volts.

CM:

122 - TPS circuit below minimum 0.6 volts.

327 - DPFE or EVP circuit below minimum voltage of 0.2 volts.

332 - EGR valve opening not detected.


KOEG Codes:

129 - Insufficient MAF/MAP change during Dynamic Response Test.

167 - TPS did not exceed 25% rotation during the Dynamic Response Test.

225 - Knock Sensor (KS) signal not sensed during dynamic response test.

536 - Brake On/Off circuit failure / switch not actuated during KOER test

622 - Shift solenoid #2 circuit failure

and maybe 311(got a little confusing!) - Thermactor air system inoperative (right side)

I'm assuming i have a bad EGR valve per code 332. Honestly i dont even know what the other stuff even means.

Anyone have any input or advice before i go get a EGR?

THanks!


Jeff

 

Ever heard of google?

ECT- Engine Coolant Temperature
TOT- Trans oil temperature
ACT-Air Charge Temp
TPS- Throttle Position Sensor
EVP- EGR Valve Position

Advice, start checking your wiring. With that many Sensors on the engine and trans being out of whack it sounds like you lost a ground somewhere or got a short somewhere.

 

With that many sensors out of range like the previous post said its either a bad ground wire, or the wire connector at the firewall or the ecu is loose or damaged or the ecu is defective. Clear the codes, check the wiring , then run the engine to operating temp and recheck the codes.

 

What happened to your KOER (Engine running) codes?

Also, very unusual for ECT "&" ACT to show on KOEO. I'm w/ ManSam & worlockk.

Check wiring. Clear the codes by disconnecting battery for at least 5 minutes, put a few miles on it , then run the engine to operating temp and recheck the codes.

Your CM's should shift over to KOER's if still active.

 

Thanks guys, I'll check over some of the wiring, but i have a bad feeling it might be the ECU

 

In most cases, don't hold me to it, but if it was the ecu it wouldn't even give you any codes to work with.

 

If the truck was cold you will get out of range codes.

 

Yeah the truck was cold.......

hopefully i can get to i today at some point. Its tough getting it warmed up, gotta drive it with two feet to keep it running, not as bad once its warmed up though

 

Could be a bad or very dirty IAC. It's a valve, so there is no error code directly associated to it's function.

See Link: http://oldfuelinjection.com/?p=39

 

So I took it for a ride today and got it warmed up so I could pull the KOER codes. It started up fine and ran fine at first, but once it got good and warmed up, it started the missing, stalling, rough running, and the check engine light went on and off, etc. So these are the codes, seems like the ECU cannot run any of the tests, makes me feel like the ECU is messed up. Wiring looks ok, nothing obvious wrong with it. It always shifted a lil rough here and there, so i'm not surprised to see the solenoid code(kinda happy about it!) I'm thinking about buying a cheap ECU off ebay and seeing how it does. You know, the check engine light had a habit of turning on and off for a while now, just never caused any drivabilty issues.