Question about 1995 Pontiac Firebird

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Our '95 Pontiac Firebird 3.4L 6 cylinder runs really rich when first starting up in cold weather (25-40F)

It only happens in cold weather and runs fine for the most part once it gets going for awhile. However, I'm not sure if it's related it not, but it does occasionally hesitate when accelerating even after it's warmed up. This also did not happen while it was still warm out. New thermostat, but inside temperature gauge on the dash does not work for some reason. Any help would be appreciated.

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  • Siveheart Dec 31, 2012

    The car has about 143,600 miles on it.

  • Siveheart Dec 31, 2012

    The spark plugs are still clean from when we last changed them, we checked them this morning.

  • Siveheart Dec 31, 2012

    Wires weren't changed to long ago either and the distributor is fine.

  • Siveheart Dec 31, 2012

    Like I said, this problem is ONLY occuring when it's cold outside. It was fine all summer long.

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Posted on Jan 02, 2017

SOURCE: My 88 Pontiac Fiero transmission (automatic)

Hi,

This sounds like you have a dirty transmission filter . I would change the filter and transmission fluid on it . That should fix the problem but if it does not check the vacuum line to make sure it is on and not leaking.

Posted on Feb 26, 2009

  • 401 Answers

SOURCE: 1997 Firebird over heating

Hi could be a thermostat or a head gasket
take the rad cap off a start the car see if there are bubbles in the rad if there are no bubbles then change the thermostat if there are bubbles then good chance it's a head gasket

Posted on May 11, 2009

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For the 1992 Pontiac Firebird

For ALL 5.0L AND 5.7L V8:
Firing Order:
1-8-4-3-6-5-7-2
Cylinders:
......(back)........
'..8..'.......'..7..'
'..6..'.......'..5..'
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For the 3.1L V6:

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1 - 2 - 3 - 4 - 5 - 6
Cylinders:
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1 Answer

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1 Answer

Firebird firing order diagram


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For the 3.1L V6:
Firing Order:
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.....(back).....
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....(back)
......(+)-screw
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For the 5.0L V8 and the 5.7L V8:
Firing Order:
1-8-4-3-6-5-7-2
Cylinders:
......(back)........
|..8..|.......|..7..|
|..6..|.......|..5..|
|..4..|.......|..3..|
|..2..|.......|..1..|
.......(front)
Distributor:
....(back)
(+).6...5
3............7
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Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

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