Question about 2004 Pontiac Grand Prix

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A/c stopped working on 2005 pontiac grand prix

No air blows

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May be low on 134a freon. The compressor cannot cycle without enough freon in the system. Buy a can at the store and add it to the system. if This does not work, have it serviced by a qualified a/c tech

Posted on Apr 23, 2013

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Posted on Jan 02, 2017

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grease16
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SOURCE: 1998 Pontiac Grand Prix A/C Blows hot on drivers side coldeer on passenger

i have an Idea. first of all make sure that all of your vents are not plugged up. next check your heating coils to find out if only one side is hot or the other is only cold. i need more info

Posted on Jun 30, 2008

  • 1 Answer

SOURCE: Vinegar smell coming from air vents in car.

get a cabin air filter

Posted on Mar 11, 2009

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SOURCE: I have a 1997 Pontiac Grand Prix air temp sensor may be bad

the air sensor yur thinking of is usually found out front of the car on the post that supports the hood latch betwween the radiator assemblies and the oute decorative grill. go to your auto parts store like autozone and ask for the ambient air temp sensor. then if they can, ask for a diagram of its location. Its real easy to replace usually one bolt and one wire clip. Autozone has /offers these do it yourself repar guides that can help you .

Posted on Jul 22, 2009

motor1258
  • 6674 Answers

SOURCE: spark plug gap for 2005 pontiac grand prix gt 3.8

.060 thousandths of an inch.

Posted on Nov 19, 2009

Molson02536
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SOURCE: 2005 pontiac grand prix, code p0641 came on. What

DTC P0641 The powertrain control module (PCM) provides a 5-volt reference to the following sensors:

The throttle position (TP) sensor 1
The accelerator pedal position (APP) sensor 2
The engine cooling fan speed sensor
The AC pressure sensor
The fuel tank pressure (FTP) sensor
The oil pressure sensor (OPS)
The PCM monitors voltage on the 5-volt reference circuit. If the voltage is higher or lower than required, DTC P0641 will set.

Conditions for Setting the DTC
The PCM detects a voltage that is higher or lower than required on the 5-volt reference circuit. The above condition is present for 1 second. Action Taken When the DTC Sets The control module illuminates the malfunction indicator lamp (MIL) when the diagnostic runs and fails. The control module records the operating conditions at the time the diagnostic fails. The control module stores this information in the Freeze Frame/Failure Records.
Conditions for Clearing the MIL/DTC The control module turns OFF the malfunction indicator lamp (MIL) after 3 consecutive ignition cycles that the diagnostic runs and does not fail. A current DTC, Last Test Failed, clears when the diagnostic runs and passes. A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported by this or any other emission related diagnostic. Clear the MIL and the DTC with a scan tool.

Yes i can be dangerous, depending which issues mentioned above has triggered the code such as a faulty gas peddle position sensor. the code can also cause a reduced engine power to activate.

Thank you for using Fixya and best advice is to have the dealer address these issues. A tech 2 scanner would be needed to address the P0641 DTC code.

Posted on Mar 19, 2010

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1 Answer

2005 Pontiac Grand Prix All my power windows


There is a fuse for that,or breaker,check this before anything else.Then I would be looking at the body control module being at fault.

Oct 02, 2013 | 2005 Pontiac Grand Prix

1 Answer

A/c stopped working


tap on blower motor with hand. see if blower starts. if so, bad blower motor

Apr 21, 2013 | 2005 Pontiac Grand Prix

1 Answer

2004 grand prix air not blowing


you should have a burnt connector (wire plug) at the blower motor resistor or a bad blower motor (or bad resistor) you should be able to discern which is bad by inspecting them closely.

Aug 10, 2012 | 2004 Pontiac Grand Prix

1 Answer

I have a 2000 pontiac grand prix with a digital climate control system. The heat quit working, it doesn't blow out any heat. Now that it is warm outside the air stopped blowing out any air. The digital...


I have a 2000 pontiac grand prix with a digital climate control system. The heat quit working, it doesn't blow out any heat. Now that it is warm outside the air stopped blowing out any air. The digital temperature on the climate control is not correct. When it states that it is below 30 degrees on the ext and it is warm outside the air wont be cold. Once it starts going above 30 degrees the air gets colder. Today the blower stop working all together. Was told it maybe the climate control unit was bad. You can hear the door opening/shutting when you switch the temp from cold to hot. But there was no heat blowing out whatsoever in the winter time. Could you please give me your opinion on whether or not it is the climate control unit or something else?

Jul 11, 2011 | 2000 Pontiac Grand Prix

2 Answers

2005 grand prix- the heater that blows into the car wont blow any air. Where is this fan located and is it an easy fix?


most a/c fans are usually located into the a/c heater box assembly most vehicles are inside behind the glove box area some are in the engine compartment at the firewall .generally not to bad to fit.regards agwbk

Feb 05, 2011 | Pontiac Grand Prix Cars & Trucks

1 Answer

HAVE A 97 GRAND PRIX AIR CONDION STOP BLOWING COLD AIR AND (-39 )COMES UP ON THE AIR PANEL WHAT DOES THIS CODE MEAN


The ambient temperature sensor has possibly failed.If it was working then suddenly this occurred this is more then likely the malfunction.

Jun 06, 2010 | 1997 Pontiac Grand Prix

1 Answer

Fan Blower Makes noise


Sounds like the fan needs to be replaced. But first, to check for obstructions, remove the carpet liner from the underside of the dash on the passenger side and you'll see the blower motor under the dash held in with three screws. If there's something obvious blocking it, remove it and reinstall the fan. If there's nothing blocking it, then you'll probably need to replace the fan. Any auto parts store, Rockauto.com or E-Bay will have the correct fan for your Grand Prix.

May 26, 2010 | 1998 Pontiac Grand Prix

1 Answer

2005 Grand Prix heater works fine when blower is off-air coming thru vent gets hot; once blower is turned on air turns cold. Why?


Sounds like a clogged heater core- insufficient coolant circulating through heater core, and as soon as you blow air past the core, it get cooled off.

Jan 09, 2010 | 2005 Pontiac Grand Prix

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