21407772 - 17 ppi new stille for (2017-). Go to the Air Dryer and check it super good for anything that is not right. Check/replace the filter/regulator on the 1/4 inch line that runs to the AHI. P24F700 - Exhaust aftertreatment fuel air purge valve stuck closed. Then the same code came up.
P24F700 Exhaust Aftertreatment Fuel Air Purge Valve Stuck Closed Symptoms
This post was last modified: 04-30-2019, 11:10 PM by reddan. Only one think Soot level its to high 140% I will see after regen done. Check each Cell in the batteries. New Ahi (3 off it changed). I haven't done one of these in a few months. I have seen the regulator go bad and it reads good but after a couple of minuets the air pressure fluctuates and it stops.! Clean pipe from inj to ahi.
P24F700 Exhaust Aftertreatment Fuel Air Purge Valve Stuck Closed Bank
Check the part number on the Hydro Carbon doser. Your issue is there. Now I give outside air like 40 psi and the regen works perfect. I have personally got "good readings" on the airline but turned out to be a volume issue. Might be something more but that normally gets it up and going. Trace or just replace the line back to the regulator and look at the regulator/air dryer good. Check the fuel pressure on the AHI at the sensor. 40% soot level is not a big deal. Google has mostly failed me but I found a site that listed how to find it and this is where it lead me. P24f700 exhaust aftertreatment fuel air purge valve stuck closed until further. 45 psi seems high if I remember right. Could I have gotten a faulty AHI Module? AHI is pushing the correct fuel pressure out. We took off air lines to AHI Module and they were clean.
P24F700 Exhaust Aftertreatment Fuel Air Purge Valve Stuck Closed Captioning
I replace control press valve. The air dryer was changed about 3 months ago, so I don't suspect any water/oil plugging anything up. PTT is pretty spot on with this one depending on the version. I think its the exhaust after treatment Fuel Air Purge Valve Stuck Closed Right? Just looking to see if anyone else is more familiar with this engine and truck. So you put an outside air source on it to 40psi and it worked? I gave up taking them apart to check them and the regulator. AHI is receiving correct air pressure. Truck will not regen. Verify the actual temps with a heat gun or a trial sensor. P24f700 exhaust aftertreatment fuel air purge valve stuck closed captioning. 04-30-2019, 11:10 PM. I have seen a few that get a oil in the airline and won't regen. Once it goes on its own do it a second time and watch all the numbers to see if its working o. k. I found the problem in AHI doser nosel (7 inj).... 2 different PN and it's different in 14 ppi and 17 ppi. Checked all wires and connectors.
We changed the AHI Module and 7th Injector (Purchased from dealer). Can somebody help me. If so than you found it.