Question about Chevrolet TrailBlazer

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Car doesn't start in subzero weather. When it got to 7 degrees (over zero weather), then it would start, BUT NOW, it won't start in 32 degree weather, almost like it got progressively worse. I changed the battery because that was the initial problem before. Basically now, it is cranking STRONG, but not turning over to start.

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  • Chevrolet Master
  • 21,873 Answers

You'll need to figure out if you are lacking spark or fuel pressure to proceed with testing.

Posted on Feb 15, 2014

  • Joshua Turner
    Joshua Turner Feb 16, 2014

    Well it is kind of both, if you ask that. 1) My gas cap was never on all that tight, but it has been like that since I got the car used about 11 months ago, (keep in mind it's a 06 T-Blazer). 2) When I bought the car, I just did the regular oil changes but never changed the spark plugs. I'm just trying to see where to start, but also not trying to do too much. I was also thinking ignition sensor.

  •  Stephen
    Stephen Feb 17, 2014

    What I meant was you need to check for spark and check fuel pressure with a gauge to know where to start testing.

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Posted on Jan 02, 2017

  • 147 Answers

SOURCE: Cold weather starting problems with battery

Have you had the battery checked..Cold weather is the worst enemy on a battery. They work fine in summer but cold will get em.

Posted on Nov 05, 2008

fischmilch
  • 96 Answers

SOURCE: 1990 isuzu trooper will not start in cold weather

Well, could be many things, but first and easiest, check the dist. cap and rotor, and all the plug connections. Any moisture will freeze and short out the ignition system. Also change the fuel filter. If you get the slightest moisture in the fuel it will lock up the filter when the water freezes. Could be a relay, probably "engine relay" that sticks when it gets too cold.

Some starting points I hope.

Posted on Mar 06, 2009

morse008
  • 1111 Answers

SOURCE: car turns over but wont start. battery is strong.

It could be the cold air temperature sensor more or less works like a choke also it could be the fuel pump or fuel filter Is clogged also could be corroded or cracked vacuum Lines causing it to **** air you will need to determine if gas is getting the fuel bar

Posted on Nov 03, 2009

Testimonial: "sounds right i'll check tomorrow"

wilsodfarm
  • 986 Answers

SOURCE: Freezing weather and bad battery I thought why car

I would check my altenator

Posted on Dec 09, 2009

  • 5501 Answers

SOURCE: 2002 ford explorer sport won't

This sounds like a signal for the cold start routine is not reaching the brain. Your SUV uses water temperature to tell the brain the engine is cold. There are 2 sensors for the water, one for the gauge and one for the computer.

The signal makes the fuel mix rich and speeds up the idle. It works like a choke. Go to Autozone or Oreillys and get a free scan. You should ask about a starter draw test too. When they scan your SUV they can show you where the sensor you need is located. Just change it and the next cold start will be either good or still bad.

If the start is still bad you have to look for other reasons. The fuel pressure is one thing to measure and this will require a pressure gauge. Check the Intake manifold for vacuum leaks after the engine is running with a water spray bottle on the seams of the part. A leak will affect the RPM. The colder weather can cause a marginal leak into a bigger problem making leak. Then when the engine does run, the heat expands all the parts and the motor runs great. But cold it does not draw the fuel in properly and starts poorly.

Hopefully your problem will be solved with my first solution. Would be interested in what you found.

Posted on Dec 03, 2010

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Charged my battery thinking that was the problem but it turns out to my starter its about 8 degrees


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I need a new battery for my 1986 Oldsmobile ninety-eight regancy sedan. fully loaded. what type of battery would i need?


Attributes Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet
A lead acid battery with the fallowing specs
group 75



Attributes Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet
Attributes Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet
Battery BCI # : 75
Battery CA @ 32 Degrees F : 775
Battery CCA @ 0 Degrees F : 630
Battery Height : 7 1/4"
Battery Length : 9 3/4"
Battery Posts Type : Side Post
Battery Reserve Capacity : 90
Battery Voltage : 12 volt
Battery Weight : 33 lbs.
Battery Width : 7"
Wet or Dry : Wet

Feb 27, 2011 | 1986 Oldsmobile Regency

1 Answer

How many qrt of motor oil do i need to use


1996 Isuzu Truck Trooper 3.2L MFI SOHC 6cyl
The Engine Oil Capacity 5 7/10 Quarts (including filter)

Engine Oil Type and Weight

Oil for use in temperatures ranging from -13 to 100 degrees
5
Application:
Oil for use in temperatures ranging from -13 to 100 degrees
Note :
Quarts without filter change

Oil for use in temperatures ranging from 32 to 100 degrees
5
Application:
Oil for use in temperatures ranging from 32 to 100 degrees
Note :
Quarts without filter change

VALHD30
Application:
Oil for use in temperatures ranging from 32 to 100 degrees
Note :
Valvoline Premium Conventional 30 Motor Oil


Hope this help (remember rated and comment this). Good luck.

Mar 29, 2010 | 1996 Isuzu Trooper

1 Answer

My car will not start in -7 degree C. is that cold enough outside for my car not to start ? When i plugged it then it starts. Can the antifreeze be too weak for this problem to arise or something else to...


19deg F is pretty cold.... but alone shouldn't prevent your vehicle from starting.

"Plugging in" the vehicle simply warms the engine oil in the block.

Look into changing your motor oil. It is the most likely culprit - not allowing the starter to turn the engine (like walking through mud)

I would suggest a synthetic oil if you are in this climate most of the year.

Better low temperature performance. Synthetics flow freely at subzero temperatures, pouring easily at -40 or -50 degrees F. where ordinary oils turn to molasses. This makes for easier cold starts and provides faster upper valvetrain lubrication during the first critical moments when most engine wear occurs.

Thanks for using FixYa - a 4 THUMB rating is appreciated for answering your FREE question.

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