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Location of fan speed sensor circuit on 2004 gmc envoy

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 91 Answers

SOURCE: 2004 GMC Envoy has trouble idling

Try the fuel filter. Sounds like the engine might be running rough due to weak fuel pressure. Its cheaper to replace, especially if it's still original from 04. Try running some injector cleaner through a couple of tanks of high octane gas.

Posted on Aug 06, 2008

  • 250 Answers

SOURCE: battery removal on a 2004 GMC Envoy

The battery is on the right side behind the fuse box. You need a metric set to undo the 3 screws. Theres one that attaches to the body, one to the bar that goes along the top, and theres one on the left side below the vacuum hose and air induction. After you've taken out those three, you should lift the whole thing out(battery and shroud) together. It's hard to take the shroud off before you lift the battery out. After that, you have to pry the shoud off the battery. The two terminals in the back make it hard. Then just go to any auto parts store and they'll give you a new one. 

Posted on Jan 28, 2009

  • 82 Answers

SOURCE: 2004 GMC Envoy rear hatch complete door wont

door lock actuator solenoid ( inside of door) needs to be replaced

Posted on Mar 25, 2010

johnjohn2
  • 5763 Answers

SOURCE: where is coolant temp sensor located on 2003 gmc

heres a diagram to show you where the coolant temp sensor is located, its behind the alternator on the left side (driverside),the sensor just unplug the connector and then unscrew it and out it comes.

Posted on Jun 21, 2010

  • 1311 Answers

SOURCE: 2004 GMC Envoy with a P0526 sensor problem

This code indicates a problem with the fan clutch, the speed it is running is not the speed it was commanded to run/ The fan clutch assembly needs replacing.

Posted on Sep 09, 2010

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Related Questions:

1 Answer

Fan speed sensor circuit


What fan ? radiator cooling fans or heater fan ? An there is no speed sensor for either , relays or resistor

Sep 04, 2015 | 2005 GMC Envoy

1 Answer

Engine codes co040 and CO039?


Faulty Right Front Wheel Speed Sensor C0040
- Right Front Wheel Speed Sensor harness is open or shorted
- Right Front Wheel Speed Sensor circuit poor electrical connection

Dec 19, 2013 | 2004 GMC Envoy

1 Answer

The blower fan on my 2004 gmc envoy runs high speed and will not turn off even when the key is off


You need to replace the blower motor speed control resistor, it is located under the glove box. You can watch the repair on Youtube on an 06 which is the same as your model and year.

Oct 03, 2012 | 2004 GMC Envoy

1 Answer

The air conditioning in my 2004 GMC Envoy keeps cutting off & on what would cause that to happen


Could also be your fan motor going bad. If it cuts out, immediately turn the fan speed to 5. If it comes back on, replace the fan motor located under your dash beneath the glove box.

Apr 19, 2012 | 2002 GMC Envoy XL

1 Answer

I have a 2004 GMC Envoy SLT and the speeddometer stops working after a few miles. Sometimes it shows i'm going 120mph when i'm doing 35 etc. I'm thinking its the speed sensor, if so where is it...


The speed sensor is usually in the drivers side part of the tranny. It looks the same as a crank sensor. Check the connection also for bent male connectors.

Jan 06, 2011 | 2004 GMC Envoy

1 Answer

P1481


Code P1481 - Cooling Fan Speed Sensor Circuit

Several owners repair this sensor and connections, but the problem come on again; I suggest replace the sensor; this is built into the fan clutch.

Hope helps.

Aug 18, 2010 | 2003 GMC Envoy

1 Answer

Service engine light is on and code P0526


The Powertrain Control Module (PCM) uses the cooling fan speed signal in order to determine the actual fan speed in relation to the desired fan speed. The PCM uses the cooling fan speed signal in order to reduce the cooling fan noise and in order to maintain the powertrain cooling requirements. The PCM supplies power and ground to the clutch hall effect sensor of the cooling fan clutch. The hall effect sensor returns a signal pulse through the speed signal circuit in response to the reluctor track, which is located inside the fan clutch. If during operation, the PCM detects a loss of the cooling fan speed signal, DTC P0526 will set
  • An inline connector could cause an intermittent DTC. Ensure to test for poor connections and pin retention at all inline connectors. Refer to system schematics for connectors and locations.
  • If the condition is not present, refer to Testing for Intermittent and Poor Connections.
  • Disconnect the harness connector of the cooling fan clutch from the shroud. Inspect the exposed wires between the harness connector and the tubing.
  • Inspect the cooling fan clutch harness in order to ensure that the clutch supply voltage circuit is not shorted to the following circuits:
  • The 5-volt reference circuit.
  • The cooling fan speed signal circuit.
  • The low reference circuit.
  • DTC P0526 will set if the engine is started without the drive belt ON.

Mar 05, 2010 | 2004 GMC Envoy

1 Answer

A/C does not work on 1-4 but works on 5.


if u replaced the blower resister,then ur fan speed switch is bad

Jun 30, 2009 | 2004 GMC Envoy

1 Answer

2004 GMC Envoy with a P0526 sensor problem


This code indicates a problem with the fan clutch, the speed it is running is not the speed it was commanded to run/ The fan clutch assembly needs replacing.

Jun 03, 2009 | 2004 GMC Envoy

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