Billman’s P1457 DIY
03-09-2011, 04:22 AM
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Billman’s P1457 DIY
Scrool down for the start of this how-to...had some photo problems at first.
P1457 is a very common code in the S2000.
Just to start off here, if you have a P1457 IT IS NOT THE GAS CAP!
A loose or non-sealing cas cap due to warped filler neck threads will set a P1456.
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Haywardmagana97 (05-26-2019)
03-09-2011, 04:33 AM
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i think paint saves images as bmp files by default...possibly the album only accepts jpgs? try hitting "save as" in paint and make sure .jpg is the file type shown in the drop down box
03-09-2011, 04:38 AM
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ok got the pic up...and on the old s2ki it would have worked....but now the pic is too small to see the mas paint work. any way to resize it in the thread?
03-09-2011, 05:02 AM
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Image software is not the issue now...the problem is the pic got shrunk down to useless when i put it in the thread. the old s2ki would not shrink it like that.
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Hockey (09-25-2019)
03-09-2011, 05:45 AM
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So my geeksquad sister linked the pic from littlepic.I'll do my write up later.....but for now, this is the evap valve assy from under the S2000 (above pic ^), drivers side, by the dif. This is how it sits in the car, looking from the front of the car. it is covered by a black tin shield. remove three 10mm head bolts to remove the shield and access the valve for testing. You DO NOT need to remove the valve assy for my tests, but you will need to make a simple test tool which I will explain later.
RED box=evap two way valve
GREEN box=evap bypass valve/solonoid
YELLOW box=two way valve port which you will use for testing when instructed.
At the top of the picture, the small unit with two vac lines going up to it is the evap pressure sensor. This is what the ecu uses to detect pressure problems with the system.
The two way valve is bolted to the bypass valve with two screws. One rusty screw can bee seen in the pic. There are two o-rings in between the two way valve and the bypass valve.
In this particular car, both the two way valve AND the bypass valve was faulty. I will explain how to test both, and two other important solonoids in the car related to the P1457.
