Question about 2004 Pontiac Grand Prix

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How do you change a coolant temperature sensor in 2004 grand prix

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6 Suggested Answers

6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 1596 Answers

SOURCE: 95 grand am radiator fan only runs with AC on

Cooling Fan Temp Sensor is the First thing You Check (with what you have described) Cooling Fan Should ALways come On When The A/C is turned On as A/C Adds A Load to Engine, If Temp Sensor is Faulty it Will Not Give GROUND Signal to ECM >For COOLING FAN >RELAY to Give ground and turn ON The Fan.
There ARE 2 temp Sensors that Serve Different Purposes 1 is for Dash READING GAGE & Or TEMP LIGHT the Other is For ECM or Fan Relay (SAME Thing) you Said>""can disconnect the sensor and fan continues to run" < This Leads me to think you Changed the Wrong One. Not Questioning your Skills Just Here to Help.
TEMP SENSOR FOR 3.1L V6 is Located upper RH rear of engine compartment, near exhaust system. Temp SENSOR for 2.3L Engine is Located in LH rear of engine compartment.
I Hope this Helps Lead you to a NON-OVERHEATING Pontiac.
Good Luck and Have A Great Evening. rejakwilson

Posted on Feb 04, 2009

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MNfisherman
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SOURCE: I can't find the coolant sensor in my Grand prix,

The sensor would either be on the thermostat housing or attached to the engine head.
You can go to autozone.com and register for free, than you will have access to a full free online repair manual for your car.

Posted on Jun 06, 2009

  • 83 Answers

SOURCE: Changed thermostat, grand prix gt, check engine light still on?!?

check evap vent solenoid alot stick on these cars.

Posted on Jan 13, 2009

simard2
  • 124 Answers

SOURCE: Where is the coolant temperature

Go to the following website to view where and how the Coolant Temperature Sensor is removed:

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152800a3405

Hope you find what you are your looking for! Good Luck!
If you have any more problems let me know.

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Posted on Jan 31, 2009

Molson02536
  • 3854 Answers

SOURCE: replaced both sensors in a 2004 Pontiac Grand Prix P0135 P0141

A code P0135 may mean that one or more of the following has happened: = O2 Heater element resistance is high
= Internal short or open in the heater element = O2 heater circuit wiring high resistance = open or short to ground in the wire harness. 
What to do; = Repair short or open or high resistance in wiring harness or harness connectors.
= Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)
A code P0141 may mean that one or more of the following has happened:

Same as above: mentioned in P0135.
What do do is the same as above, so i am leaning towards and faulty wire harness since you have replaced both O2 sensors. Make sure the wire harness has no break in it or crushed connection clips. The other thing to look for is a bad fuse that is used to heat up the O2 sensor. It may not say O2 sensor on it, it may piggy back off something else so check all the fuse and make sure the O2 has a good ground and not corroded. Good luck and hope this helps. 

Posted on Jun 25, 2009

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1 Answer

Need a coolant temperature sensor wiring diagram for a 2004 pontiac grand prix gtp


Check engine light on ? The coolant temp sensor is a input to the PCM - engine computer ! All wires come from an go to the PCM . What type of problem are you having ? Maybe able to save you some aggravation an time chasing gremlins . Coolant gauge not working ?
Engine Coolant Temperature Gage
The instrument panel cluster (IPC) displays the engine coolant temperature as determined by the powertrain control module (PCM) or the engine control module (ECM). The IPC receives a serial data message from the PCM/ECM indicating the engine coolant temperature. The engine coolant temperature gage defaults to 100°F (38°C) if there is a malfunction in the engine coolant temperature sensor or the IPC detects a loss of serial data communication with the PCM/ECM.

But if you insist ,you can find free wiring diagram's here http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model an engine ! Under system click on engine ,then under subsystem click on fuel controls . Click the search button then the blue link. The second an third diagrams both show coolant temp sensors . Both go to the PCM .

Jul 03, 2017 | Pontiac Grand Prix Cars & Trucks

1 Answer

2004 grand prix and the temperature gauge quit working we changed the temperature switch sensor still will not work


Do you have a check engine light on? If not then you have a defective gage, the gage is a computer generated display and you will need to remove the instrument cluster and send it out to be rebuilt. Cost about $250

Oct 30, 2016 | 2004 Pontiac Grand Prix

1 Answer

How to change Temperature sensor on 2004 Grand Prix gtp


Here's a link to the coolant temperature sensor.http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?pageId=0996b43f80cb3c06

Nov 11, 2012 | Cars & Trucks

1 Answer

PO128


P0128 is an insufficient coolant temp code. Which means the coolant temp is not coming up to full operating temperature fast enough or not at all. The fix for this is to replace the thermostat.

Aug 07, 2012 | 2004 Pontiac Grand Prix

1 Answer

Where is the engine coolant temp sensor located on a 2004 grand prix gt


On the 3.8 liter the coolant temp sensor is right below the the thermostat in the intake manifold on the drivers side of the engine.

The thermostat is under the housing that is bolted to the intake plenum that the upper hose is attached to.

Jan 18, 2012 | 2004 Pontiac Grand Prix

2 Answers

2004 Pontiac Grand Prix is running warm about halfway. When I'm driving around it stays below half, but when I stop it heats up over half. then the fan turns on. Could this be a fan sensor? Is it not...


CHECK COOLANT LEVEL.IF COOLING FAN TURNING ON COOLANT TEMPERATURE SENSOR WORKING.BECAUSE IT CONTROLS AND TURN ON COOLANT FAN AT A SET TEMPERATURE.SOUND LIKE ENGINE RUNNING TOO HOT. HAVE RADIATOR FLUSHED.REPLACE THERMOSTAT. HAVE ENGINE BLOCK FLUSHED.REPLACE RADIATOR PRESSURE CAP ALSO.SEE WHAT HAPPENS.

May 09, 2011 | 2004 Pontiac Grand Prix

4 Answers

The temperature gauge on my 2002 grand prix dose


the temperature sending unit on a 97 grand prix 3800 gt(which is also the coolant temperature sensor) is not accurate. the sending unit part of this sensor only sends info to the guage on the dash. the coolant sensor part sends info to the computer of the car. it is located under thermostat and somewhat difficult to get at. i had put a brand new one in and my temperature on my dash is all over the place---even with good thermostat and properly bled system. when i hook up a scanner to my computer, the coolant sensor is sending the computer(ecu??) what seems to be the right temp. anywhere from 194 degrees to 217 when hot. the guage however on dash go from 160 to 260 in less than 2 minutes.

Nov 16, 2009 | 2002 Pontiac Grand Prix

5 Answers

Temperature gage not working,gas,gears gage are ok.


located the temp sending unit check that its pluged in, if it is unplug it and ground the wire to something metal (with the switch on) and see if the gauge moves if it does then your temp sending unit is bad and needs replaced

Aug 01, 2009 | 2004 Pontiac Grand Prix

1 Answer

Fan wont work fuses are fine coolant level was low i filled it up


I suspect you have a bad fan relay or temperature sensor. Here's a link to a page where you can see what these parts look like. The fan relay is usually located in the engine compartment inside a plastic box with a removable lid. It just plugs in and out. The temperature sensor will screw into your engine block and have a cable connected to it. Your owner's manual may give you their exact locations. http://www.diypartscatalog.com/ShopByVehicle.epc?q=2004-PONTIAC-Grand--Prix-V6--31ci--3.8l--F/i--Vin---Belts/hoses/cooling&yearid=2004%40%402004&makeid=67%40%40PONTIAC%40%40B&modelid=13463%40%40GRAND+PRIX&engineid=30226%40%40V6%2D231ci+3%2E8L+F%2FI+Vin+2%40%4030226&catid=2%40%40Belts%2FHoses%2FCooling&subcatid=36@@Sensors%2C+Switches+and+Relays&mode=PA

Jun 07, 2009 | 2004 Pontiac Grand Prix

2 Answers

2000 Grand Prix losing coolant


This all sounds like a leaking head gasket, the fast guage swing is caused by air pockets around the temp sensor.

Oct 28, 2008 | 2000 Pontiac Grand Prix

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