94 gt code info???? - Mustang Evolution

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Old 02-27-2016, 01:18 PM   #1
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94 gt code info????

636 - TOT sensor voltage out of self test range
117 - ECT Sensor Circuit Below Minimum Voltage of 0.2 volts(O), ECT circuit has intermittently failed below minimum 0.2 volts (CM)
217 - EEC detected coil 3 primary circuit failure
332 - EGR valve opening not detected
172 - o2 Sensor sensor circuit indicates system lean (right side)
177 - o2 Sensor circuit indicates system rich (left side)
181 - Right side still lean, at richest adaptive limit, during part throttle
189 - Left side still lean, at richest adaptive limit, during part throttle
116 - ECT out of self test range 0.3 to 3.7 volts
313 - Thermactor air not bypassed during self test
311 - Thermactor air system inoperative (right side)
332 - EGR valve opening not detected
536 - Brake On/Off circuit failure / switch not actuated during KOER test
632 - Overdrive cancel switch not changing state (E4OD)

---------- Post added at 02:17 PM ---------- Previous post was at 02:17 PM ----------

codes was going fast my 1st time but im pretty sure i got them all are those bad ? note car has not had tune up in dk how long.

---------- Post added at 02:18 PM ---------- Previous post was at 02:17 PM ----------

codes was going fast my 1st time but im pretty sure i got them all are those bad ? note car has not had tune up in dk how long.
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Old 02-27-2016, 08:40 PM   #2
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(117) Was the engine at operating temp when you ran the scan??If not,that could be the reason for this code.Another cause could be if you had the sensor harness disconnected and turned the key on or started the engine with it disconnected.If the things listed above check out OK,test the sensor while the engine is cold & while its at operating temp,to see if its bad or not.Just disconnect the harness,attach multimeter leads to the sensor terminals,set the meter on ohms & take a reading.The values should match the chart below.

(217) Most likely a bad spark plug or plug wire on cylinder #3
(332) Make sure the vacuum hose(between the evr solenoid & egr valve) is connected & its not leaking.Make sure the harness is attached to the evp sensor.This code normally gets logged because the evp sensor output voltage did not change when the ecm expected it to register valve opening via an evp voltage increase.

The o2 sensor codes could be due to a loose/corroded/broken HEGO ground wire(orange wire with the ring terminal attached by a rear intake bolt or passenger cylinder head rear)
They could also be due to a vacuum leak or a malfunction in the thermactor system.The following link lists the causes for o2 codes but the codes displayed are in a two digit pattern instead of the three digit like yours.They share the same meaning & can be tested using the same methods.
O2 Sensor Codes 41/42/91/92 Troubleshooting
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Old 02-28-2016, 10:24 AM   #3
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i watched a video i followed how he done it as ive never done the test b4 i got most of them codes while motor was off & some when i cranked it up> and motor was not warmed up even on motor on test >>> thermactor system<< whats that and ill look over thxs for help im just hoping its nothing bad

>>>>motor off code<<
636 - TOT sensor voltage out of self test range
117 - ECT Sensor Circuit Below Minimum Voltage of 0.2 volts(O), ECT circuit has intermittently failed below minimum 0.2 volts (CM)
217 - EEC detected coil 3 primary circuit failure
332 - EGR valve opening not detected
172 - o2 Sensor sensor circuit indicates system lean (right side)
177 - o2 Sensor circuit indicates system rich (left side)
181 - Right side still lean, at richest adaptive limit, during part throttle
189 - Left side still lean, at richest adaptive limit, during part throttle

<<<<<motor running>>>>>
116 - ECT out of self test range 0.3 to 3.7 volts
313 - Thermactor air not bypassed during self test
311 - Thermactor air system inoperative (right side)
332 - EGR valve opening not detected
536 - Brake On/Off circuit failure / switch not actuated during KOER test
632 - Overdrive cancel switch not changing state (E4OD)
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Old 02-28-2016, 02:58 PM   #4
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just got done with wheel bearing full tune up motor still got bad shake but can hear air blowing out back of intake area ?
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Old 02-28-2016, 08:45 PM   #5
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Sounds like a vacuum leak, check by spraying a little carb cleaner in the area where you hear the leak.
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Old 02-28-2016, 09:14 PM   #6
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If air is blowing out from the rear of the intake,your pcv valve has popped out of the hole in the lower intake or its vacuum hose is leaking.Another vacuum hose could also be leaking since there a few of them coming off the underside of the upper intake.The air leak could also be due to a loose crossover pipe(attached to the rear side of both cylinder heads)or the egr valve/evp sensor gasket.
Vacuum leaks can cause rough idling,hesitation, idle surge & a overly rich fuel mixture.Here's a picture of pcv valve location.See the hole located between bolt holes #7 & #8,at the very bottom of the picture?? That's where the pcv valve sits,with a mesh screen below it and a grommet around it.Make sure the o2 sensors are tight too.
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Old 02-29-2016, 09:16 AM   #7
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thanks guys im going over it here in a lil really mean it thanks for yalls info ill get back to yall
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Old 02-29-2016, 11:33 AM   #8
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---------- Post added at 12:33 PM ---------- Previous post was at 12:33 PM ----------

check out that video let me know
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Old 02-29-2016, 01:30 PM   #9
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found a bad one need to know how to fix ok in that video its like a T one line going to spot i showed one going under the top intake & one going back to passener side of motor ok the one thts split is one going into intake no idea how to get to it
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