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I need a wiring schematic for an 04 Pontiac Bonneville Sle 3800 V6. The 4 wires have pulled loos from the O2 sensor at eh back of the engine and I need to rewire it.

GM 3800, 3.8 liter v6

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Googling that o2 sensor seems its comes with a pigtail an connector just about a foot away an not meant to be repaired.
kinda like the one in this picture . yes?
http://onea-ebay-images.s3.amazonaws.com/EOS/1AEOS01029.jpg

Posted on Dec 01, 2014

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Yes you will have to loosen motor mount and jack motor slightly to change belt.

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SOURCE: replacing bad camshaft position sensor

  1. Disconnect battery ground cable.
  2. Remove water pump pulley attaching bolts, then the serpentine belt and water pump pulley.
  3. Disconnect sensor wiring connector and remove sensor retaining bolt.
  4. Twist and pull sensor to remove.
Reverse procedure to install and prior to installing new sensor, lubricate sensor O-ring.

It is located under the water pump. Make sure when you remove the sensor that you rotate the crank shaft and look in the hole to make sure the pick up magnet is still in there. Sometimes they come loose and cause a no start or long crank. You will need to have the code cleared still.

Posted on May 06, 2009

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SOURCE: spark plug wiring diagram for gm 3.4 liter v6

http://autorepair.about.com/od/enginefiringorders1/Engine_Firing_Orders.htm

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SOURCE: where is the mass air flow sensor on 2000 pontiac

mass air flow sensor is located on the air hose that leads to the air filter if you have the part just look for the same look to make sure.

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SOURCE: GM 3.8 liter supercharge v6 firing order 2000

For the 2000 Pontiac Grand Prix:
I do not know if you have the 3.1L V6 or the 3.8L (including Super Charger) V6; however I have included both below...

For the 3.1L V6:
Firing Order:
1-2-3-4-5-6
Cylinders:
......(back).......
'...1....3....5...'
____________
'...2....4....6...'
.......(front)
Ignition Coil Connections:
.'.5..2.'..'.3..6.'..'.4..1.'


For the 3.8L V6 including the Super Charger:
Firing Order:
1-6-5-4-3-2
Cylinders:
.....(back).......
'...2....4....6...'
____________
'...1....3....5...'
......(front)
Ignition Coil Connections:
(back)
o 6
o ---3
___
o 2
o ---5
___
o 4
o ---1
(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact us at FixYa.com!

Posted on Oct 08, 2010

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Where is the mass air flow sensor on 2000 pontiac bonneville 3800 sle


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3098a58.jpg

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  1. Disconnect battery ground cable.
  2. Remove water pump pulley attaching bolts, then the serpentine belt and water pump pulley.
  3. Disconnect sensor wiring connector and remove sensor retaining bolt.
  4. Twist and pull sensor to remove.
Reverse procedure to install and prior to installing new sensor, lubricate sensor O-ring.

It is located under the water pump. Make sure when you remove the sensor that you rotate the crank shaft and look in the hole to make sure the pick up magnet is still in there. Sometimes they come loose and cause a no start or long crank. You will need to have the code cleared still.

May 06, 2009 | 1991 Pontiac Bonneville

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