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  #1  
Old 12-18-2017, 12:13 AM
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OM617 Injection Pump Help

Can someone please help me identify the part circled in the photo. I have done quite a bit of searching and even running part numbers and even still I have not been able to identify it.

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OM617 Injection Pump Help-df274249-4043-4c15-8a0f-94b097674a71-314-0000007aa607918d.jpg  
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Old 12-18-2017, 01:53 AM
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Quote:
Originally Posted by MaddMatt83 View Post
Can someone please help me identify the part circled in the photo. I have done quite a bit of searching and even running part numbers and even still I have not been able to identify it.
That is the Rack Position Sensor.
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Old 12-18-2017, 02:20 AM
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X2 Rack position sensor (part of the EGR contol system)
Mercedes-Benz Forum - View Single Post - Has anyone removed a rack position sensor
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Old 12-18-2017, 06:10 PM
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Thanks guys. This is my 3rd Swap into The Toyota 4x4 pickups but it's this first time coming across this mechanism.
Matthew.
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Old 12-20-2017, 11:03 AM
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The rack position sensor started ~1984. It is only for the EGR controller and is not necessary. Downside is that it makes it much harder to get at one of the 3 mounting bolts.

Scary that the delivery valve outputs aren't capped, with all that gunk on the IP. I suggest turning it over with the engine to flow diesel out each port before connecting the injector lines.
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Old 12-20-2017, 12:37 PM
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Can you just remove it or does it need a custom cap made to seal whatever is behind it?

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