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Giving more details about 2004 GMC ENVOY. FAILED EMMISION. Here are the On-Board Diagnostics (OBD) Details OBD RESULT :FAIL "MIL commanded on " Check engine light status: Commanded On Incomplete monitors: CATALYST Diagnostic Trouble Codes : P0128 I understand the PO128 could be thermostat worst case ? What about all the other things I listed? And how much should this cost to repair in Northwest Indiana?

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  • Escape Guy Nov 26, 2014

    There is no guarantee with this. Check that your radiator coolant level is correct, also, that the radiator is not blocked by anything.

  • Escape Guy Nov 26, 2014

    Also, does the temperature gauge on the dash go to the middleAdd a Comment

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  • 15 Answers

This code does indicate a bad thermostat. Are there any other codes?

Posted on Nov 26, 2014

  • PHIL DYNIEWSKI
    PHIL DYNIEWSKI Nov 26, 2014

    I don't believe there are anymore codes? I typed out the entire (OBD) RESULTS word 4 word, in my original Question. If it only list one code does that mean only one problem and new thermostat will be only major part replacement? Thanks

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SOURCE: 2001 kia sephia check engine

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Molson02536
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SOURCE: Did not pass state inspection (vehicle)

First the fault codes,
U110C is No Fuel Level Bus Message
U0155 is No Cluster Bus Message.
Unfortunatly you have to be able to communicate with the instrument cluster with your scanner to diagnoise and I do not think an aftermarket scanner can do this.




Posted on Mar 02, 2010

reaperautomo
  • 206 Answers

SOURCE: I have a 1998 Nissan Maxima GLE, I Failed the Emission Inspection (DTC) Diagnostic Trouble Codes of "P1492","P1105" What these Codes exactly? mean

A code P0300 may mean that one or more of the following has happened:

  • Faulty spark plugs or wires
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector(s)
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Stuck/blocked EGR valve / passages
  • Faulty camshaft position sensor
  • Defective compute
  • P1105MAP/BARO Pressure Switch Solenoid Valve
  • Check and clean the MAP sensor, or replace.
  • P1492EVAP Canister Purge Control/Solenoid Valve (Circuit)
  • Replacing the purge solenoid will clear code P1492 This should also clear code P0300 as well.

Posted on Oct 17, 2012

Testimonial: "Thx a lot this gave me a brighter idea. the problem is the Purge. It went bad cuz I was burning too much fuel."

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1 Answer

Incomplete monitors :catalyst 2004 envoy emmisions fail ?


After the MIL is turned off or the battery was disconnected for some time, all monitors are set to incomplete. However with several short trips with engine getting at least to hot enough for thermostat to open, (I believe 8 is the magic number of trips) most monitors are set, you may be able to pass the test with only one incomplete only.

Nov 26, 2014 | 2004 GMC Envoy

1 Answer

Gas tank won't fill


You should have an OBD 2 MIL Lamp lite on your dash

If you checked for codes, you would have something to
start the diagnostic process

Most likely a failed evap vent valve solenoid

Oct 08, 2012 | 2004 GMC Envoy

1 Answer

My GMC 2003 Envoy failed smog test because of "the


The person running the test is an idiot. The OBDII test instrument is not capable of determining if there is a warning lamp failure. It is probably guessing based on voltage level, but lamp resistance does normally vary. The test is supposed to be done visually. Take it to someone else, and they will probably be more competent and pass your car.

Mar 22, 2011 | 2003 GMC Envoy Xl

1 Answer

My GMC 2003 Envoy failed smog test because of "the


Hello
Does the light ever come on while you are driving the vehicle? It is possible that the vehicle does not trigger the code on the key cycle when vehicle is connected to the OBDII scan tool (a cycle is the time from when a vehicle is started to the time the vehicle is turned off) you should however most of the time be able to check a vehicles trouble code history to see what may be turning the light on
Good luck
Chris

Mar 22, 2011 | 2003 GMC Envoy

1 Answer

Did not pass state inspection (vehicle)


First the fault codes,
U110C is No Fuel Level Bus Message
U0155 is No Cluster Bus Message.
Unfortunatly you have to be able to communicate with the instrument cluster with your scanner to diagnoise and I do not think an aftermarket scanner can do this.




Mar 02, 2010 | 2005 Chrysler PT Cruiser

1 Answer

Code PO732 2004 Ford Expedition


Trouble Code: P0732 (4.6L V8 VIN W Auto)
Incorrect Second Gear Ratio Print this code dataprint_icon_codes.gif Number of Trips to Set Code: 2
OBD II Monitor Type: CCM Details
Indicators: MIL Details
Trouble Code Conditions:
Engine started, vehicle operating with 2nd Gear commanded "on", and the PCM detected an incorrect 2nd gear ratio during the test.

Possible Causes:
  • 2nd Gear solenoid harness connector not properly seated
  • 2nd Gear solenoid signal shorted to ground, or open
  • 2nd Gear solenoid wring harness connector is damaged
  • 2nd Gear solenoid is damaged or not properly installed

Refer to the mechanical section to diagnose transmission concerns


Trouble Code: P0732 (5.4L V8 VIN L Auto)
Incorrect Second Gear Ratio Print this code dataprint_icon_codes.gif
Number of Trips to Set Code: 2
OBD II Monitor Type: CCM Details
Indicators: MIL Details
Trouble Code Conditions:
Engine started, vehicle operating with 2nd Gear commanded "on", and the PCM detected an incorrect 2nd gear ratio during the test.

Possible Causes:
  • 2nd Gear solenoid harness connector not properly seated
  • 2nd Gear solenoid signal shorted to ground, or open
  • 2nd Gear solenoid wring harness connector is damaged
  • 2nd Gear solenoid is damaged or not properly installed

Refer to the mechanical section to diagnose transmission concerns.

Oct 26, 2009 | 2004 Ford Expedition

1 Answer

My check engine light is on and I received code P1135, Manufacturer Control Fuel Air Metering is the defintion of the code. What parts do I need to get to fix problem myself?


Not sure where you got that definition for that code but this is what it is and means with possible causes for whichever motor you have:

Trouble Code: P1135 (2.4L L4 VIN - Auto)
A/F Sensor-11 (Bank 1 Sensor 1) Heater Circuit Malfunction Print this code dataprint_icon_codes.gif
Number of Trips to Set Code: 2
OBD II Monitor Type: CCM Details
Indicators: MIL Details
Trouble Code Conditions:
Engine started, engine running, and the PCM detected the A/F Sensor-11 (A/FS-11) heater current was less than 0.25A, or that it was more than 8.0A at anytime during the CCM test.

Possible Causes:
  • A/F sensor heater circuit or ground circuit is open
  • A/F sensor heater power circuit is open
  • A/F sensor heater is damaged or has failed
  • PCM has failed

2001 Toyota Highlander - I4 - P1135, P1155


Trouble Code: P1135 (3.0L V6 VIN - Auto)
A/F Sensor-11 (Bank 1 Sensor 1) Heater Circuit Malfunction Print this code dataprint_icon_codes.gif
Number of Trips to Set Code: 2
OBD II Monitor Type: CCM Details
Indicators: MIL Details
Trouble Code Conditions:
Engine started, engine running, and the PCM detected the A/F Sensor-11 (A/FS-11) heater current was less than 0.25A, or that it was more than 8.0A at anytime during the CCM test.

Possible Causes:
  • A/F sensor heater circuit or ground circuit is open
  • A/F sensor heater power circuit is open
  • A/F sensor heater is damaged or has failed
  • PCM has failed

2001 Toyota Highlander - V6 - P1135

Oct 21, 2009 | 2001 Toyota Highlander

1 Answer

My 1998 mercury villager have check say obd mil


need more info. was this a state test it failed?

go here for villager expert help.

http://autos.groups.yahoo.com/group/villagerquest/

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2 Answers

What does code 1-p0650 mean?


P0650 Malfunction Indicator Lamp (MIL) Control Circuit Malfunction

Malfunction Indicator Lamp (MIL) is located on the instrument panel. When the ignition switch is turned ON without engine running, MIL will light up. This is a bulb check. When the engine is started, MIL should go off. If MIL remains on, the on board diagnostic system has detected an engine system malfunction.

Possible Causes:
  • Harness or connectors (MIL circuit is open or shorted.)
  • MIL bulb may be faulty
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