Docter says: swap the ecu, and call me in the morning.
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| Cold Start 4g15 http://4g61t.org/forum/viewtopic.php?f=17&t=35861 |
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| Author: | Mirage90 [ Thu Jan 12, 2012 10:37 am ] |
| Post subject: | Cold Start 4g15 |
http://www.facebook.com/video/video.php ... 7455&saved I cant figure out how to upload the video straight to this site. This is COLD start, it does this every time. It don't do this after it warms up "200 degrees". When you see it idle at 900-1000 RPMS, I'm holding my foot on the gas. Any other time i have my foot OFF the gas. When I try to give it gas, it acts stupid. It stutters, as you can see. It dies when i try to give it gas, most of the time. It has been doing this for 6 months at least. It still a 4g15, 12v, Like i said, i have no idle problem after the car has warmed up. "I turn it off and back on, and it idles PERFECT!" |
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| Author: | jomorris2909 [ Thu Jan 12, 2012 9:55 pm ] |
| Post subject: | Re: Cold Start 4g15 |
I had a similar issue on my 4G15, are you tripping a Check Engine light? |
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| Author: | Evotistical [ Thu Jan 12, 2012 10:58 pm ] |
| Post subject: | Re: Cold Start 4g15 |
Docter says: swap the ecu, and call me in the morning.
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| Author: | jomorris2909 [ Thu Jan 12, 2012 11:25 pm ] |
| Post subject: | Re: Cold Start 4g15 |
Mine turned out to be a bad mass airflow sensor and throttle position sensor. Go with the cheapest fix first, see if it helps, move on down the line. |
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| Author: | Mirage90 [ Fri Jan 13, 2012 10:17 pm ] |
| Post subject: | Re: Cold Start 4g15 |
Yes check light is on. Not sure what codes? The check engine light came on years ago when I put new exhaust. Because I never put a Oxygen Sensor back in it. I've done nothing but keep oil and water in this thing since i got it. With basic tune up. It gets me from A to B.  This is the first problem i have came across and I can not come up with a explanation. I have blown this off because the problem goes away when it warms up. Its starting to get very annoying.  ECU i will check. There in the junk yard everywhere. Ill grab a few just to make sure. The sensors have never been changed.  Mass airflow sensor has be change and the problem was still there. "Might have got another bad one, it came from the junk yard" |
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| Author: | Evotistical [ Sat Jan 14, 2012 12:05 am ] |
| Post subject: | Re: Cold Start 4g15 |
You can check the code by connecting a 12v buzzer(you might be able to find this at radio shack or similar) to check the codes. Just connect 1 lead to the chassis, and probe around with the other wire in your diag. port for the other. Way easier and cheaper than buying a scanner. Just look on lil evo's site(lilevo.com), for the ecu codes(it's blocked by my work so I can't give you the exact address). |
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| Author: | Mirage90 [ Sat Jan 14, 2012 10:03 am ] |
| Post subject: | Re: Cold Start 4g15 |
Quote: You can check the code by connecting a 12v buzzer(you might be able to find this at radio shack or similar) to check the codes. Just connect 1 lead to the chassis, and probe around with the other wire in your diag. port for the other. Way easier and cheaper than buying a scanner. Just look on lil evo's site(lilevo.com), for the ecu codes(it's blocked by my work so I can't give you the exact address).
Will do. I have a lot going on right now. "Family Problems" Ill go explain to them what i am trying to do when i get a chance to get up there. Thanks for your help! 
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| Author: | Mechacode [ Mon Jan 16, 2012 9:50 am ] |
| Post subject: | Re: Cold Start 4g15 |
Did you ever put an o2 sensor back in? How do the plugs look, black? |
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| Author: | Mirage90 [ Mon Jan 16, 2012 1:53 pm ] |
| Post subject: | Re: Cold Start 4g15 |
Quote: Did you ever put an o2 sensor back in? How do the plugs look, black?
No never but another 02 sensor in. Plugs looks ok, there not black. |
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| Author: | boughart22 [ Wed Jan 25, 2012 4:05 pm ] |
| Post subject: | Re: Cold Start 4g15 |
I have a feeling you have the same problem I do. Its ur IAC valve. IF u find one for me too please letme know. i am also in need of an ECU. |
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| Author: | Mirage90 [ Wed Jan 25, 2012 8:50 pm ] |
| Post subject: | Re: Cold Start 4g15 |
Quote: I have a feeling you have the same problem I do. Its ur IAC valve. IF u find one for me too please letme know. i am also in need of an ECU.
Will do buddy! I've been really busy with school lately, so i have not been to the junk yard yet. I just deal with it for now. |
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| Author: | Peppi_C50 [ Thu Jan 26, 2012 6:16 am ] |
| Post subject: | Re: Cold Start 4g15 |
Check the coolant temperature sensor |
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| Author: | Coltsfan [ Thu Jan 26, 2012 8:37 am ] |
| Post subject: | Re: Cold Start 4g15 |
I didn't see the video because I'm the last holdout who refuses to join Facehole, but my guess is broken FIAV. Ps. Seriously, no O2 sensor? You realize you could be getting 40mpg if you had one right? |
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| Author: | boughart22 [ Thu Jan 26, 2012 11:11 am ] |
| Post subject: | Re: Cold Start 4g15 |
Wheres the coolant temp sensor?? I just purchased a 92 plymouth colt. Im new to this. It only has 50000 miles. but the idle goes up and down and also I have to keep trying to crank it before it starts. My car will bog down before it gets to the up and down idle state. |
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| Author: | Mirage90 [ Thu Jan 26, 2012 1:03 pm ] |
| Post subject: | Re: Cold Start 4g15 |
Quote: Check the coolant temperature sensor
Checked it and replaced it.
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