Join Date: Sep 2012
Location: St. Albert, Albert
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most times dosnt start unless plugged in
So we purchased an 03 7.3 truck a little while ago and I have been slowly fixing things on it and diagnosing things.
Things that have been done on the truck so far are.
Fuel bowl o-rings, new batteries, new starter, cleaned battery cables, new fuel filter, new icp sensor and pigtail, new fuel filter.
I cleared all the codes to start with just to make sure nothing lingering.
I have ohmed out the glow plugs and uvch and injectors and the glow plugs are all under 2 ohms, and injectors are under 5.
AE Buzz test says injectors 1 and 7 and 2 and 6 are failing the buzz test. a CCT says #8. there are a couple of injectors that seem to not be as loud as the others.
I am getting a code for the IDM storing codes, and the Keep Alive Memory and the cluster. and the overhead console.
I have an intermittent check engine light while driving and seems when you let off the fuel it goes out. but idling comes and goes.... I ran the truck for a while and got the oil temp up and was watching the perdel data and found that I get 0 readings when I get a check engine light and as soon as the light goes out I get readings again. high reading is number 8 around 6.3 others are in the 1-3 range for injectors 1,2,3 but fluctuate and 4-7 are usually 0. once in a while I will get a 1.8 or a 2.1 on the other injectors.
I added a liter of trans fluid to the crank case to help clean out injectors and it seems to have helped some (cheaper then rev-x), was going to run the truck a little bit longer with the trans fluid in it and then change the oil out for chevron delo 400 5w40 and a fleetguard filter.
the truck has 354,000KM on it.
I have checked the wiring harness and can not find any rub through..
I am leaning towards an IDM issue, but where does AE get its PERDEL data from the IDM or the PCM?