URGENT: Help

[2000wa250]

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]

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]

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]

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

 

[2000wa250]

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

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[Arisley]

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

 

[2000wa250]

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]

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]

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

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[Southmike]

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

here is a cleaning thread

 

[2000wa250]

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]

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]

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]

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]

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

 

[Hotrodtractor]

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

:whs:

 

[2000wa250]

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]

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

 

[G Racing]

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

 

[2000wa250]

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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