URGENT: Help

2000wa250 · Jan 3, 2012

Just found out that my dad got me an AE for my birthday. Should be here by the end of hte week. When it gets here, what should I be checking or data logging?

Strictly Diesel · Jan 3, 2012

Injector Control Pressure
Injector Control Pressure Duty Cycle
Engine RPM (verify the PCM is seeing CPS Signal)

Guessing you will see ICP Duty Cycle pretty high (50%+) and ICP not exceeding the 500psi required to start.

2000wa250 · Jan 3, 2012

Thank you Dennis.

Is it possible that I have WTS and all appears normal but a fried PCM?

I dont know that much about the AE software, but I assume it is pretty straight forward, as well as the fact that I will be able to know if my PCM is fried based on whether or not it works?

I dont believe that I fried it, but it is the worst case scenario. Also the only way it would be possible for that to have happened is if a static charge fried it.

On a somewhat unrelated matter....why would a hi idle setting on a ts chip set the SES light when switched to? This was something that happened when I originally put the chip on, and every time you switch to it the light comes on, as soon as you go to position 2 it goes off immediately. Every time I switch position I can hear my GPR kick on and voltage drops for a second. I have Cale's tuning. Chip is not in the truck while ive been trying to get it started because I wanted to rule out any chance that the no start was a result of the chip.

Arisley · Jan 3, 2012

You have a wiring issue somewhere. Sounds like something might be hunting grounds.

2000wa250 · Jan 3, 2012

Checked the grounds to the block...both are tight

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Arisley · Jan 3, 2012

You are going to love AE. It will pay for itself on this issue alone.

2000wa250 · Jan 3, 2012

Yea. Best birthday present I could ask for. So why do you say the ground issue?

Ill be honest I don't even know how to go about looking for ground issues other than making sure they are tight.

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Bushwakd · Jan 3, 2012

By chance did you or someone happen to mess with the IPR? You sure mentioned it quite a few times. Did you pull it in an attempt to clean it?

2000wa250 · Jan 4, 2012

No I have not touched it. Wasn't aware I could pull it to clean it

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Southmike · Jan 4, 2012

http://www.powerstrokenation.com/forums/attachment.php?attachmentid=5639&d=1238179868

here is a cleaning thread

2000wa250 · Jan 5, 2012

thanks. Might try to clean it tomorrow, might just wait till the AE gets here and then see if I can nail down exactly what the problem is. The more I read the more it seems like I probably just have an IPR that is stuck open.

G Racing · Jan 5, 2012

I doubt that you have an issue with the ipr itself but an issue with the electronics to the injectors. Just my .02 worth.

2000wa250 · Jan 5, 2012

I just don't follow how I could have an issue with the electronics to the injectors. Everything is connected and has been double and triple checked. All fuses have been checked.

I guess I will know more later today or tomorrow when I can get AE hooked up and some live data while cranking.

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2000wa250 · Jan 5, 2012

I dont know how to upload files, but i got a chance to datalog my no start today before heading to work. Here is a picture of the info.

Left to right columns are as follows:

ICP PSI, ICP DC%, ICP Volts, Vehicle Voltage, RPM

Let me know what you guys think. Looks like I have an electrical issue. This was done with known good batteries that came right out of a running truck.

G Racing · Jan 5, 2012

Well you have plenty of icp to fire it off. Did you perform a buzz test?

Hotrodtractor · Jan 5, 2012

G Racing said:
Well you have plenty of icp to fire it off. Did you perform a buzz test?

:whs:

2000wa250 · Jan 5, 2012

No idea how to perform a buzz test. Wont get a chance till tomorrow. Anyone else see the voltage being under 10.5 as a problem?

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G Racing · Jan 5, 2012

If that is voltage while cranking I wouldn't be concerned about it.

G Racing · Jan 5, 2012

Not to familiar with AE, I use IDS. You need to do a buzz test to check the electrical side of the injectors.

2000wa250 · Jan 5, 2012

Planning on doing a buzz test tomorrow. According to dennis as well as clay at riffraff if the voltage drops below 10.5 the pcm wont tell the idm to fire the injectors

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