Question about Pontiac GTO

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My 1969 GTO takes forever to start in cold weather, once it catches and warms up it runs fine

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Assuming the engine is in good shape and not in need of a major tune-up, check your carburetor choke. It's not closing when cold. Clean and adjust.

Get a service manual and follow the instructions. Far too complicated to cover here.

Also, make sure you know how to properly SET the choke on a cold start. Slowly push the gas pedal to the floor and let up. Start engine without touching gas. If it's REALLY cold, like 0 degrees, you can hold the pedal halfway down while starting, after setting the choke.

Posted on Jan 30, 2015

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Posted on Jan 02, 2017

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SOURCE: Wont start when weather is cold.

Tune up... its flooding when its cold due to the plugs being worn out...

Posted on Nov 25, 2008

  • 1 Answer

SOURCE: starting in damp weather 1993 240 wagon, auto/od, 235k miles

perhaps you need a new cap and roter a new spark plug wire set. they don;t like moisture. also check to see if you have any broken or leaking vacuum hoses. the worse case senerio would be that your head gasket is leaking--at cold temps a little antifreeze will enter until everything warms up and it seals shut due to metal expanding. but since you say it's cold weather only--this probably wou;dn't be the case. good luck.

Posted on Dec 28, 2008

  • 1 Answer

SOURCE: Wont start when cold (Mornings) When weather warms up will start

IF IS A DIESEL TRY REPLACEING THE GLOW PLUGS ??
AND IF ITS A PETROL CHECK THE DISTRIBITER CAP FOR CRACKS OF REPLACE COIL ??

Posted on Apr 18, 2009

haider_alhar
  • 90 Answers

SOURCE: bucking/stalling in cold/damp

check you thermostat because it maybe stick on open so your engine is running cold and cant reach the required temp.

Posted on Jun 02, 2009

  • 3 Answers

SOURCE: Engine will not idle and run when starting in cold weather

Have a mechanic take a look at your throttle position sensor and engine idle sensor. Make him manually adjust them as opposed to just putting in new ones. It may require that you have to have a higher idle than normal. Your underlying cause is going to be that I am sure you have a lot of miles on your engine.

Posted on Jul 20, 2009

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Cool mornings it doesn't want to start ,i have to turn the key to start and let it off several times and it will eventually start after that it starts fine all day and starts fine on warm days


How to Start a Car in Freezing Cold Winter Weather

www.wikihow.com > ... > Cars > Car Maintenance and Repair

wikiHowFreezing cold weather can take a toll on car batteries. ... It's much more difficult to start a cold car with a mostly-empty tank, so do yourself a favor and gas up ...

Why is it so hard to start a car in the winter? - HowStuffWorks

auto.howstuffworks.com/car-driving-safety/.../start-car-in-winter.htm
To start a car in winter, your engine has to work extra hard. Learn the top 3 reasons your car is hard to start in cold winter weather.

Debunking 5 Cold-Weather Car Myths - Popular Mechanics


Nov 21, 2015 | Cars & Trucks

1 Answer

1970 GTO big block with MSD ignition. Starts fine from cold. Once warm the engine dies and all electrical items are dead (dome lights, gauges) with no ability to restart. Once cold, the engine can


You'll need to trace the electrical from the battery to the starter and key switch when it goes dead. Could be a connection at the starter or in the harness.

Jan 28, 2014 | Pontiac Cars & Trucks

1 Answer

Runs ruff while cold at start up


There is a door in your air intake that is thermoststicly controlled
that is to remain partially closed until tge engine warms up.Thereby letting in cold air on a cold engine, causing it to run rough.

Nov 08, 2013 | 1994 Dodge Spirit

1 Answer

In cold weather it take forever for the heater to warm the car, I can start it then let it run for a half an hour and then drive 30 miles and still is not warm enough


Could be a faulty thermostat not letting the engine come up to proper temperature...also low fluid level could cause fluid to not circulate through the heater core.
Verify operation of thermostat, verify coolant level.
More info would be a help.
Take care.

Dec 07, 2010 | Dodge Stratus Cars & Trucks

2 Answers

1999 Durango. Trouble to start during cold weather


take some baking soda or coke mix with water and pour over the top of the battery to remove the acid content created by over charging! once that is cleaned and removed then change your! plug wires too!!

Jan 22, 2010 | 1999 Dodge Durango

1 Answer

It cranks, but it does not run


Have you check the plugs, cables, cap/rotor ?

One thing you can try since it starts good in warm weather, is to ,on a cold morning, take a hair dryer and warm up the suspect part to warm weather condition. Then try and start the car. If it start ok you have probably found the weak part.

May 31, 2009 | 1991 Mercedes-Benz E-Class

1 Answer

The 2000 mountianeer starts and runs fine but shuts off


CHECK THE COLD START ENRICHMENT VALVE AND OR THE IDLE CONTROL VALVE. I AM ASSUMING THAT YOUR VEHICLE IS FUEL INJECTED. ONE OF THOSE HAVE GONE BAD.

Jan 24, 2009 | 2000 Mercury Mountaineer

1 Answer

Starting in damp weather 1993 240 wagon, auto/od, 235k miles


perhaps you need a new cap and roter a new spark plug wire set. they don;t like moisture. also check to see if you have any broken or leaking vacuum hoses. the worse case senerio would be that your head gasket is leaking--at cold temps a little antifreeze will enter until everything warms up and it seals shut due to metal expanding. but since you say it's cold weather only--this probably wou;dn't be the case. good luck.

Dec 27, 2008 | 1993 Volvo 240

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