- P0444 mercedes code. If i . The threads die without the OP coming back and Jun 16, 2013 · Auto Zone's code is P2240 and P0171 P0174, my own ODB reads P0444 P0171 and P0174. I have had this on 2 of my BMW's, my E46 and my E70 and seen it on plenty of others. It had a “Lower Intake boot” leak. 1. I took the evaporations purge valve out and it seems to be working. Notice the P0444 code description states the circuit is open, meaning resistance too high. Dec 13, 2015 · Hi, my 2002 BMW 325XI has P0444 Evaporative Emission System Purge Control Valve open Circuit. If i Feb 17, 2017 · The P0444 code relates to the DME detecting an incorrect voltage drop across the purge valve. I just replaced a new Purge Control Valve (the old one is bad), but the code still come back. May 12, 2010 · P0444 (EVAP) Purge Valve Jump to Latest 28K views 9 replies 9 participants last post by JohnnyPlam Aug 15, 2016 3 Jan 2, 2006 · P0444 Evaporative Emission Control System Purge Control Valve Circuit Open Jump to Latest 50K views 18 replies 12 participants last post by Dav-E46 Apr 13, 2018 D Dec 8, 2024 · Search for P0444 on here and read up for the details, causes, fixes. It’s easy to test the evap purge valve with a multimeter, 12V power supply, and vacuum pump with gauge. I then test the voltage of the 2 wires of the harness. The car has a P0102 and p0444. Feb 17, 2017 · The P0444 code relates to the DME detecting an incorrect voltage drop across the purge valve. Oct 8, 2013 · P0444 - can't find a straight answer This and other forums are full of threads about the P0444 code for the Purge Valve. A click sound can be heard when wired to 12 volt battery and air can be blown through it. Measure the resistance of both MAFs and report back. " No clear and agreed upon cause of the actual code. These threads seem to have three things in common: "I replaced the purge valve and the code didn't go away. I went into this deal knowing It Had some work. Pretty much everything relate to the vacuum leak. On the drive home I noticed at around 60 miles per hour at 2500 RPMs the rpm meter fluctuates up and down slightly around 300 rpms, while im keeping a steady foot. I didn't get 12V on either wires with the car key to "ON". But not 100% sure though. Dec 6, 2023 · P0102 and P0444 Hey guys first post, I need some help I have a 2001 325i bmw That I got not too long ago. For some reason it is very particular, so make sure all the connections are tight and clean, you have an OE or genuine BMW purge valve, etc. Also check connector pins for clean and tight, wiring for damage, etc. Jan 27, 2018 · P0444 is an electrical related code based on my experience. After carefully studying the problem and doing a lot of research, I have come to a conclusions that this problem tends to show up for a few reasons. The DME measures the coil current demand/loop current or coil resistance and the tolerance window Sep 8, 2019 · P0444 code came up. I changed Fuel Filter, disa valve, crank case vent kit, upper and lower intake boots, and etc. tn3df teg shf y3g tpg6ss hvo0 vtjmuu v0na 6pv0 wjhdrj