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Cold Start

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  #1 (permalink)  
Old 30 Jan 2008, 05:10 pm
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Join Date: Jan 2008
Location: Los Angeles
Posts: 1
Default Cold Start

I have a 03 PT Limited Edition (non turbo). For approximately a month, it takes approximately 10 tryies in the cold mornings before the engine turns over. What are the possible problems?
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  #2 (permalink)  
Old 30 Jan 2008, 05:44 pm
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Join Date: Sep 2001
Posts: 27,743
Default Re: Cold Start

1. Tune-Up (plugs & wires)
2. Weak Battery
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  #3 (permalink)  
Old 30 Jan 2008, 10:42 pm
Cool Cruiser
Join Date: Dec 2007
Posts: 369
Default Re: Cold Start

agree with crewzin, also try turning the ignition on, waiting a minute, then start.
06 Touring Edition NA/Auto. Airaid intake, Magnaflow Stainless cat-back exhaust, Taylor Thundervolt plug wires, rear lowered 1.75" with H&R Springs.
Yep, buying parts I cant afford with money I dont have to impress people I dont like anyways.
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Old 31 Jan 2008, 03:04 pm
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Default Re: Cold Start

dirty fuel injectors ??
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Old 29 May 2012, 11:11 am
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Join Date: May 2012
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Default Re: Cold Start

I have a 2003 PT CRuiser Turbo, I recently had another engine installed, then had to replace the turbo, works great when it warms up. When 1st sarting cold engine, it stalled, bucks, and shudders until the thermostat in the cooling system opens and releases the hot water to the turbo then it runs great.
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Old 29 May 2012, 12:27 pm
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Join Date: Sep 2001
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Default Re: Cold Start


I seriously doubt that it's the hot water getting to your turbo that makes it run better/smoother after a cold start. I would check your IAC and IAT for possible malfunction. Even you 02 sensors could be causing a problem.

You give us no information about what you may have done to solve this problem or how your 03 turbo has been taken care of. When was the last time the plugs and wires were changed? What are you using for plugs and what gap are you using? What's the mileage of the engine and is your PT have the Turbo Lite or the full GT? If a GT are you using premium fuel?

Also, please don't post your question in more that one area of the forum. Makes it confusing for the people that are trying to help you.

Last edited by CREWZIN; 29 May 2012 at 07:01 pm.
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Old 29 May 2012, 10:02 pm
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Join Date: Jan 2011
Location: 55403
Posts: 3,912
Default Re: Cold Start

Sounds like it's not getting enough fuel-

Crewzin' mentioned the sensor that could be telling computer it's warmer than it really is-

Or, there may be an anti-drainback valve that's inop
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