I am at a loss on the starting issue. The one thing I am fairly certain of is that scanner won't help diagnose the AdvanceTrac issue. Most likely it reads the the PCM only and you likely have upwards of 2 dozen modules.
I keep thinking a possible ground issue. Have you checked the ground...
The vacuum pump I have for this type of testing is the Mityvac MITMV8500, not the same as an A/C vacuum pump. It comes with some fittings and hose. I also use other bits of hose and vacuum fittings I have laying around. Large model engine fuel line works really well with it, I have lots of it...
If you remove the starter and the bendix is grinding on the flywheel you'll see the teeth worn down some. I'd probably go ahead and have a spare starter on-hand just in case.
Wow, great response. I have even dealt with an EGR stuck open and did not think of it. A piece of carbon broke loose in my daughters old car and got caught in the EGR so the car died each time she stopped.
Couple thoughts. Is the port in the throttle body for the IAC valve intake plugged up maybe? Do you have a vacuum leak?
I haven't seen many of us suggesting to use a Motorcraft IAC, but my preference is Hitachi or Motorcraft. However, I would think even a poor quality brand new IAC would...
Any codes?
To me it sounds like the Idle Air Control valve, though you say you replaced it I think if you called it IAV. If so try cleaning the throttle body.
Tascaparts.com shows the same thing you found. It's not unusual for a part to be superseded. I agree I think I'd prefer the 15 bolt valve cover, seems like it would be less likely to leak.
If you think you need to replace the valve cover it looks like you'll have to go with a used...
That's really low cost for the IWE. I think I paid about $150 for both, that same listing is now $123 each. This is one of those times where buying the Motorcraft part is worth the money. That's the general consensus from everything I have seen at least...
I think I'd try 1/4" tubing.
I have also bought a fair amount of NOS parts on eBay so that might be another option for you.
I believe this is 1 of the lines:
https://www.rockauto.com/en/moreinfo.php?pk=6564576&cc=1427756&pt=1820&jsn=689
This might be the other, I can't find the part number in...
Never heard of Drag Radial Performance, but eliminating the PATS system would be nice. I have no interest in PATS or several other systems in my Expedition quite frankly.
There are shops that have figured out how to remove systems, modules, specific lines of code etc.. for some vehicles.
It could be either IWE, if that's the cause. If the IWE is partially engaged it will wear the IWE and wheel hub splines.
The IWE defaults to engaged, vacuum is used to disengage them for 2WD, as noted previously. So you can disconnect the vacuum hose to the IWE's and plug the hose and cap...
After day 4 I have everything welded in. Just a couple spot welds underneath to remain to get to and 2 butt joints that are only about 1/3 welded. Then time for a bit of body filler and paint.
Things I've learned during this process.
It's easier to burn through the sheet metal than to weld...
A grinding noise could easily be the IWE(4wd hub) not fully disengaging. If the IWE's are working you shouldn't have any noise from CV axles unless they are really, really bad. In 2WD the IWE's are disengaged via vacuum pressure and therefore there is no load on the front cv axles.
Jack up...
Well 2 days in and I have eliminated the rust and primed everything. The inner rocker had just a little spotty surface rust, the rocker at the C pillar had no rust surprisingly. It's really just a portion of the rocker panel and the B pillar brace.
Tomorrow it's time to fabricate a...
Thanks. I don't think I have seen Mill Supply previously so I have added that to my supply list. Next year I plan to do the driver side rocker panel and I don't have that panel yet.
I have the passenger side rocker panel, been sitting in the garage for more than year. Just wondering about...
My passenger side rocker panel rusted out. I intended to replace it October 2023, but it got put off due to an accident and vibration issues. Now it's finally back to the top of the list. I got started today and found what appears to be a support bracket that goes from the B pillar to the...
My fuel pump failed with the tank nearly full as well. The only way to siphon fuel out is to remove the fuel pump module. The filler neck prevents siphoning.
Using a cross beam for my jack I screwed some 2x4's to the end and basically made an H frame to use my 3 ton floor jack to hold the...
My resources are for a 2004 and might not be quite the same in this case. So here's a link to a service manual you can download. Thanks to Hamifsted.
https://charm.li/Ford Truck/2006/Expedition 4WD V8-5.4L VIN 5/
Yeah mine only has 2 buses, SCP and UBP. 3 would just be even more confusing.
AdvanceTrac always worried me and is 1 of the options I refused to have. I have yet to experience a traction control or stability control system I liked.
One component corrupting others is certainly the case with...
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