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Ok so I figured Id start a new thread since the other is kind of back and forth and may be too much reading for some and hard to follow. And other than Shake-n-Bake I don't seem to be getting much help from the AE experts here. Ill copy and paste the very latest info from the other thread, but the basic run down is the truck was throwing codes and acting a bit jurky/jittery when cold. Then out of no where it died and will not start. Its been down for almost 3 weeks now.
Thats what I got on the first try most of it really means nothing to me as far as the problems Im having rite now. So I cleared and started again and I got all of the same plus:
So whats next? The new code that obviously sticks out is the P1280 ICP Code. Does this code means that the ICP is bad? I havent read into the AE any farther than it took to get here as of now. So I need help and direction as to where to go next.......shes been down for over two weeks now so Im itching to hear her roar!!
"Is that 0.41ms pulse width? If so, that is a problem because the IDM intreprets 0.6ms as a no fuel pulse. Sounds like your IDM is not syncing with the PCM. Try and run another buzz test now that your batteries are charged. Also try the KOEO self test. "
Yeah that's .41ms it read that solid through the whole crank.I did do another KOEO and got no new codes apart from the ones before.
Also did a buzz test with good voltage (12.4) and Im still getting:
-P1293 Injector High Side Open Bank 1
-P1294 Injector High Side Open Bank 2
Yeah that's .41ms it read that solid through the whole crank.I did do another KOEO and got no new codes apart from the ones before.
Also did a buzz test with good voltage (12.4) and Im still getting:
-P1293 Injector High Side Open Bank 1
-P1294 Injector High Side Open Bank 2
What do these mean? SO STRESSED OUT right now!!
Go to this link and perform the tests shown. You can download and print the pdf file if you like. The IDM is inside the fender, behind the F-x50 badge. You will need to remove the inner wheel well liner to access.
Thanks for the link. I will pull it apart tomorrow and check it out.
As far as the buzz test that was one thing I forgot to mention. When I did the buzz test the tach moved like its supposed to but it did NOT buzz at all. No noise what so ever, I thought that was very odd. I had a buzz done on it a few years back and it buzzed loud and clear! Not sure when the codes appeared during the test but probably right away cause they were there when it finished.
Im leaning towards the IDM. I initially thought the UVCH (9 pin's) but it doesn't seem like that would cause these problems unless somehow both connectors came apart at the exact same time which is highly unlikely I would think!......but one way or another I will be pulling the VC's off to check.
Here is a pretty good deal on ebay if you need an idm. Verify the part number but that should be it. I would try to find a used one over re-manufactured. Some people have had problems with the re-man...ones.
Im leaning towards the IDM. I initially thought the UVCH (9 pin's) but it doesn't seem like that would cause these problems unless somehow both connectors came apart at the exact same time which is highly unlikely I would think!......but one way or another I will be pulling the VC's off to check.
You can jump around if you like, but I would strongly suggest that you drop the wheel well liner and test at the IDM connector first.
You can pull the valve covers and see what's going on in there but I doubt that is your issue. From what I can gather, right now the diagnostics point to the IDM or perhaps the wiring from the IDM to the injectors. If you pull the IDM module connector, you can then run the test listed in the technical bulletin. If the wiring harness tests good then you are left with the IDM as the suspect.
Right now the PCM is sending a 0.41 ms FPW signal to the IDM which means it was unable to sync. Since you are reading RPM signal, I presume the CPS is working so that isn't causing the sync failure.....
If the IDM relay was bad, you would still get a 1-6 ms FPW signal generated so that isn't the fault either....
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