P1450 ford escape 20151/5/2024 Codes of this nature are written as P1XXX where the third number of the code sequence specifies where the issue is with the car’s OBD-II system. P1450 is an extended error code of OBD-II code P1. Thus, the definition of this trouble code varies between models, however, the causes, symptoms, and repairs are similar regardless of the brand of the car. I never recommend just throwing parts at something without doing some diag first so hopefully what I put above helps you figure it out.Unlike many other DTCs, P1450 is a manufacturer-specific code that can only be displayed by specific vehicles like Mercedes, Jaguar, Ford, and a few more. Usually is a contaminated sensor though.īased on what your symptoms are it sounds like it is a purge valve. If it doesn't you might need a fuel tank pressure sensor replacement, could also be wiring to the sensor, or a restriction in a vapour line. Install your refueling funnel in the fuel filler neck and your FTP should read nearly exactly 0psi. Access PCM datalogger/PIDs and find fuel tank pressure (FTP). To diagnose if it is the second common thing you need forscan or an equivalent like IDS or a snapon/autel scanner. If it starts to fall in the negative pressure then you likely need a purge valve. If fuel tank pressure stays the same that's probably not it. Start your engine and watch fuel tank pressure, if vent is commanded ON (makes it closed), and purge valve is commanded OFF/unplugged (makes it closed). Make sure the purge valve is commanded closed or OFF, better yet you could just unplug it. Monitor fuel tank pressure and command the vent valve ON, this will close it. Access PCM datalogger/PIDs and find fuel tank pressure (FTP), evap purge valve commanded position, and evap vent valve commanded position. If you have forscan or an equivalent like IDS or a snapon/autel scanner you can do the same test without even popping the hood!. If there is vacuum with it unplugged (unplugging makes sure the valve is 'commanded' to the closed position). Start the engine and either put a vacuum gauge on it and see if there is vacuum, if you don't have a vacuum gauge you can also put your finger over the opening and see if you feel any vacuum. Your best shot to diagnose if it is the first one, unplug your purge valve electrical connector and undo the fuel vapour line connection after the valve that heads to the tank (just be careful with the plastic clips on the vapour line not to drop or break them). Second thing that I find P1450 can set from is a fuel tank pressure sensor being contaminated with grit/grease/dirt/under coating (if you recently had you car oil sprayed this might be it). This is really a vacuum leak and if bad enough could cause a cranking no start. This can happen for one of two reasons (usually).įirst and most common I find is the purge valve is leaking a little bit of vacuum to the fuel system when the vent is commanded closed. Usually a P1450 indicates the fuel tank pressure is reading that it is always under slight vacuum. I have some experience with diagnosing evaporative emissions issues on Ford vehicles. Randomly over the last month, it'll do NOTHING when I turn the key over- Literally nothing- No crank, nothing- It has fully operational windows, lights, radio, etc and never has the dead battery noise- It has no noise- Just does nothing- I'll try to turn it over 300 times and get nothing- Then, maybe on the 301st try, it'll crank and almost instantly start- It may not do it again for another few days or even a week- Then, it'll happen again.īeen going thru the same pattern for about a month- One day, I'm guessing it won't restart after all the attempts- Anyone have any experience with code P1450- Also, if so, did it have issues starting? All the info on P1450 I have is idling issues, some other things- I havent seen anyone have issues getting it to start (almost like the starters bad)Īny help is appreciated and thanks in advance!! I have a brand new battery, so we can pretty much rule that out.and I've also attempted to jump start it, when it does have issues- Anyways. Hello All, New Member, Any help would be appreciated-įor the last month, I've been sturggling w/ an issue- At first, no check engine code was visible or thrown out- The last 2 weeks, I have code P1450, have reset it and it does come back within a few hours to days.
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