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Discussion Starter · #1 ·
HESITANT START/COLD START Hi everyone i'm new to this site and i am in desperate need of your HELP!!!!

I own a 2007 mazda 3 16valve sedan, for the past 5 years and its been working fine till now.
i am experiencing a COLD START everytime the vehicle stays off for over 6hours. When i start the car it has a hesitant start, it starts to stutter before it reaches it normal idle speed and if i switch off the vehicle and start it again, it starts normal and i cant seem to figger out what is causing this issue.
I live in the caribbean so winter weather is not an issue.
I'v tried practically everything and i'm running out of ideas
LIST OF THINGS I TRIED>
Clean throttle body
Clean injectors
Changed spark plugs
Clean air flow sensor
Changed air filter
Changed the external fuel filter at the rear of the vehicle
Changed the mesh filter on the fuel pump that's in the fuel tank
Changed engine oil and filter
Flush coolant system and replaced with new coolant
CAN SOMEONE PLEASSSSEEEEEE HELPPPPPP ME WITH THIS PROBLEM
ANY SUGGESTIONS WILL BE GREATLY APPRECIATED
 

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The one thing that controls most about a start is the battery. If the battery isn't strong, there will be a very sluggish start.

This makes perfect sense to me at least, especially if you've never touched it.

If it's a hard start, but when it warms up and is at a normal idle, the oil is warm and easy to move, so the second start, even with a bad battery, is easier for the motor to move around. When the oil is cold, it's a lot more harsh on the starter to get everything moving.
 

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Discussion Starter · #3 · (Edited)
thanks for your help. i really didnt check the battery life and i'v had this battery a year now. so i'll try a new one and see how that goes. because i really am out of ideas.
Do you have any other suggestions if that doesn't work???????
 

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At this point... no. But you've done well over anything else I would've done. Personally I would've started at the battery as most slow starts are related to the battery as it direct affects the strength of the starter motor.
 

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Discussion Starter · #5 ·
From doing some research it seems to be a misfire i am experiencing when the vehicle gets cold. But for some reason it have times that it starts really well like today. I really want to solve this issue. Its bothering me alot :(
 

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2005 Mazda 3 sedan
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Good day, my name is Patrick and I’m living in Florida. my car will start but will not move until I let it sit idling for approximately 10 minutes & this happens after car is parked for hour, example when I get up in the morning and after car is shut off for 5 hrs or more but after I get it moving then it’s ok , can you let me understand what’s happening
 
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