Purge Control Solenoid Valve | How to test and replace at home! | P0458 P0459
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- Опубліковано 27 кві 2024
- Purge control solenoid valve testing and replacement. This video will be helpful regarding, where is the purge control solenoid valve? What does the purge control solenoid valve do? How much to replace purge control solenoid valve? What happens when purge control solenoid valve goes bad?
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Codes that deal with the Purge Control Solenoid Valve:
P0442 - Evaporative Emission System Small Leak Detected
P0447 - Evaporative Emission System Vent Control Circuit Open
P0448 - Evaporative Emission System Vent Control Circuit Shorted
P0456 - Evaporative Emission System Very Small Leak Detected
P0457 - Evaporative Emission System Fuel Cap Loose / Off
P0458 - Evaporative Emission System Purge Control Valve Circuit Low
P0459 - Evaporative Emission System Purge Control Valve Circuit High
P1400 - Fuel tank pressure control solenoid valve circuit low
P1420 - Fuel tank pressure control solenoid valve circuit high
P1443 - Vent control solenoid valve functin problem
What is the Purge Control Solenoid Valve:
Also known as a Valve Duty Solenoid, this valve is used to recirculate small amounts of exhaust into the combustion chambers of the engine in order to decrease the combustion temperature. This reduces nitrogen oxides & smog.
What happens when a purge control solenoid valve goes bad?
Rough idle. Hesitation. Engine surging. Common trouble codes p0458 & p0459.
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0:11 - Locating the purge valve
1:51 - Removing the purge valve
3:47 - First test for the purge valve
5:38 - Second test for the purge valve
6:55 - Energizing the purge valve
9:25 - Testing the wiring
Note:
Any attempt to repair automotive parts and/or systems carries risk of personal injury. Always adhere and follow safe practices when working on vehicles. Such as, safety glasses, jack stands, no loose clothing, etc. No guarantee or warranty is implied. Use the information in this video at your own risk. Carsntoys is a member of the Amazon Influencer Program.
Publication, reproduction or distribution of this film is strictly prohibited.
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Been having numerous evap issues with my 2006 stock sti . Po447,448, 442 and 456. Last 2 were resolved with my smoke machine. Other 2 cost me about $3000 ..
Currently chasing a po302 = cylinder 2 misfire
Pull spark plug #2 and visually inspect plug condition. more than likely a bad ignition coil or spark plug wire.
The evap purge solenoid valve often gets stuck open. that is the most common failure, a simple check is to run the engine and check for vacuum going to the canister side port of the solenoid. if vacuum is present the valve is bad. also this valve has nothing to do with the EGR system. EGR- Exhaust Gas Recirculation.
also if there was a problem with the electrical circuit it would set a different code related to the control circuit of the system. voltage too high or too low. that is a simple way to rule out an electrical problem. any time you get a code for circuit high or circuit low its an electrical issue. subaru's have an extremely complex evaporative control system. best bet is to smoke test and or use dish soap/water in a spray bottle and check for leaks with the evap system under pressure..just look for bubbles
I have a 2010 Subaru Impreza and my car rattles going uphill every single time. Nothing is loose or anything any reason why?
turn the music up
Exhaust heat shield rattles plague just about every subaru. sounds like a bunch of bee's in a tin can
@@jamesstewart505 I don't have heat shields like I said nothing is loose and no heat shields
You don’t have heat shields? Did you remove them or do you have an aftermarket exhaust?
@@jamesstewart505 I have aftermarket exhaust borla type s and the cats are all new Walker brand since the others were gross and 12 years old