Question about 2004 Pontiac Bonneville

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How do I no if i have a bad coil on my 2004 Bonneville GXP 4.6 Northstar

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If you have multiple coils then there will be a regular misfire on a particular cylinder. If you have sets of coils then the coil that handles a set of plugs will misfire on those plugs. If you have one coil to do the lot then indicators are engine will not start, coil lead will show a weak orange spark when sparked to metal, engine will start fine and run for a period of time before the coil overheats and starts to break down ( misfiring), coil is very hot to the touch (burning ) after minutes of operation.

Posted on Nov 14, 2014

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Posted on Jan 02, 2017

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SOURCE: I don't have a problem for say but looking for

If it has the northstar, skip it or get a good warranty with it. They are expensive when they break, and it usually starts having problems around 70K.

Posted on Jul 13, 2009

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SOURCE: how is transmission fluid for 04 Bonneville GXP

theres a dip stick.

Posted on Oct 25, 2009

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SOURCE: replace headlight bulb on 2004 Pontiac Bonneville


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Posted on Sep 07, 2010

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1 Answer

Where is the heater blower resister located on a 2004 bonneville gxp

Why ? Does the blower work on high ? but no other speeds ! If it doesn't come on at any speed it's not the resistor . Does the vehicle have automatic climate control or manual ? Automatic doesn't have resistor , has a blower motor control processor . HVAC Blower Motor Circuit You need to test , not guess !

Feb 04, 2017 | 2004 Pontiac Bonneville

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Jan 25, 2015 | 2005 Pontiac Bonneville GXP

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How to replace blower on a2004 bonneville

Pretty typical for our generation of Bonneville (mine's a 2005 GXP). There are at least two different fans for our generation of Bonneville.
Remove the panel under the passenger side dash; I recall two small screws.
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Dec 16, 2010 | 2004 Pontiac Bonneville

1 Answer

How to replace the battery on a 2004 Pontiac Bonneville?

I have a 2005 Bonneville GXP. I would expect yours to be the same as mine.
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Nov 13, 2010 | 2004 Pontiac Bonneville

2 Answers

Oil pressure guage dropped to 5 after an oil change in my pontiac bonneville gxp 2005

Did it stay there? If so, put a pressure gauge on the engine, to check the actual pressure and then you will be able to tell if it is just the sending unit/pressure sw , that is off.

Feb 09, 2010 | 2005 Pontiac Bonneville

1 Answer

I don't have a problem for say but looking for some feedback. I'm looking at buying a 2004 - 2005 Bonneville GXP with the Northstar 4.6 Engine. A co-worker who's a mechanic heard me telling someone and...

If it has the northstar, skip it or get a good warranty with it. They are expensive when they break, and it usually starts having problems around 70K.

Jul 13, 2009 | 2005 Pontiac Bonneville

1 Answer

Where's #6 on a '05 Northstar? Easy or rough side?

Hello; yes i believe u are right about the #6 cylinder location, let me confirm it, if you are standing in front of your car cylinders,2, 4, 6, & 8 are the ones, from left to right in front of the radiator,cylinders 1,3,5 & 7 are the ones closest to the fire wall. sounds like u have a miss gaped or bad plug, i had a simular problem in my northstar. hoe we helped & good luck to u.

Jan 31, 2009 | 1994 Cadillac Eldorado

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