Check cold start valve

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Mercedes R107 Screwdriver

Mercedes R107 Screwdriver

Күн бұрын

Пікірлер: 25
@ronalddean3630
@ronalddean3630 29 күн бұрын
Thank you for the video. My 380SL has the opposite problem at times...the hot start. After a flawless cold start, about 15 min out of the garage, there is this surging sensation, like high revving up and down and I can feel the car wanting to move faster than I am driving it. After 18 min, it smoothes itself out, then if I park, to go into the antique shop, or grocer, when I come back, the car sometimes requires cranking 3 times to start again. Any thoughts? Thanks
@TogetherFaster
@TogetherFaster 2 жыл бұрын
Tolle Autos! Super Videos und Erklärungen! Kleiner Tipp: Ich würde in den Titeln auch die genaue Bezeichnung des Fahrzeuges angeben, z.B. Mercedes SL 560, R107... evtl. noch Motorbezeichnung... damit die tollen Videos häufiger gefunden, angeklickt und abonniert werden 😉 LG aus Freiburg Rainer
@R107Schrauber
@R107Schrauber 2 жыл бұрын
Vielen Dank Rainer
@hmayerv8
@hmayerv8 9 ай бұрын
My 76 350SL R107 has this type of cold start valve also. You mentioned it's for KE-Jetronic. Would mine be KE-Jetronic then?
@R107Schrauber
@R107Schrauber 9 ай бұрын
No, you probably have a K-Jetronic, the 350 had the D-Jetronic until 02/76 and the K-Jetronic from 03/76. Best regards
@hmayerv8
@hmayerv8 9 ай бұрын
@@R107Schrauber How would you be able to tell from looking at engine whether it's K or D? Cold start valve must be the same for all I guess
@R107Schrauber
@R107Schrauber 9 ай бұрын
What is the exact year of construction, i.e. which month in the year 76? The K-Jetronic has a flow divider, the D-Jetronic has a ring line and electronically controlled injection nozzles
@hmayerv8
@hmayerv8 9 ай бұрын
@hrauber It must be the K-Jet then coz it has the fuel distributor/divider.
@BobCraske-i1s
@BobCraske-i1s 5 ай бұрын
Does the CSV always activate at start or only in very cold weather, you state 30 degrees (C or F). Also part of the test should examine for any continued leaking after disengaging the start?
@R107Schrauber
@R107Schrauber 5 ай бұрын
The engine temperature must be below 30 degrees then the cold start valve injects
@BobCraske-i1s
@BobCraske-i1s 5 ай бұрын
@@R107Schrauber 30 degrees C?, since my garage is around 25-30 degrees C, I assume that is why I am not getting 12V to the CSV when I turn key to ON and then use a remote starter to turn the car over (coil disconnected as per your video). No spray and no drips. If the car is under 30C then where would I look to determine why no 12V to the CSV? There is plenty of fuel pressure to the CSV so at least I know it doesnt leak
@BobCraske-i1s
@BobCraske-i1s 5 ай бұрын
@@R107Schrauber I read on the electrical schematic the switch providing power is closed until 68 F, 15 C so will re-test in the winter. Thanks
@louievigil8662
@louievigil8662 4 ай бұрын
My cold start valve does not spray any gas, is it for any temperature or does it have to be 30 degrees to activate
@R107Schrauber
@R107Schrauber 4 ай бұрын
It depends on the temperature sensor, the brass ring of the temperature sensor is stamped with the number of degrees and the duration of injection. it generally injects below 30 degrees
@louievigil8662
@louievigil8662 4 ай бұрын
@@R107Schrauber thank you
@jerrykarlsson3978
@jerrykarlsson3978 10 ай бұрын
Should the coldstart valve always spray on a coldsstart? Mine does not when it is 0°C when i tested it. I own a 1990 230CE Best raguards Jerry!
@R107Schrauber
@R107Schrauber 10 ай бұрын
If the temperature is below 30 degrees, it should always be sprayed at the start
@Uc9uE3pKsS6uQ
@Uc9uE3pKsS6uQ 7 ай бұрын
@@R107Schrauber as long as starter motor is on ? or timer ?
@رافعليث
@رافعليث Жыл бұрын
👍
@R107Schrauber
@R107Schrauber Жыл бұрын
Look also here: youtube.com/@R107Screwdriver?si=O5ique8MI7WrHOkM
@beniseferi375
@beniseferi375 Жыл бұрын
Nice video. My w126 280se is staying on high rpm (1500) while in park and n. When it goes in drive it drops to 1000rpm. Could this be from the cold start valve?
@R107Schrauber
@R107Schrauber Жыл бұрын
d thank you, the cold start valve is not responsible for this. First of all, check the overvoltage protection relay, the additional air slide and possibly false air.
@R107Schrauber
@R107Schrauber Жыл бұрын
kzbin.info/www/bejne/jpe7dIKXfd9jl7M
@niravmaharaj3946
@niravmaharaj3946 2 жыл бұрын
I have an slc and there is no plug
@R107Schrauber
@R107Schrauber 2 жыл бұрын
an SLC does not have a KE-Jetronic
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