what is this plug
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Freshman User
Joined: May 2014
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From: Bensalem PA
Thanks, but that pic was taken while i was replacing the vacuum pump , if your talking about the vacuum line missing off the black plastic connector in the upper right of the pic. if not then please tell me what you see.
thanks
Dave
thanks
Dave
Hotshot
Joined: Dec 2005
Posts: 10,253
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From: Chino Valley, Arizona
that is a "map" sensor but on the non turbo diesels they read barometric pressure. all that I have ever worked on have a wiring harness connected to it (might be for automatic transmissions only? )
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Logistics Pro
Joined: Apr 2005
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Turbo or not the IDI never had an ECM therefore never had a MAP sensor. Jas is correct, either the truck was converted to IDI or the A/C box was swapped out with one from a gasser.
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Freshman User
Joined: May 2014
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From: Bensalem PA
Thanks man, yeah i was in the middle of replacing my vacuum pump when i snapped that shot, and that was the main hose from the pump.
Thanks Anyway, i am new to all this, so if anyone see's anything please hit me up. That was my first vacuum pump, it went smooth, although i know nothing else will.
lol
Dave
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From: Bensalem PA
Dave
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Joined: Feb 2002
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From: Greater Austin, Texas
helifixer's post got me to thinking so I did some research. I have misled you. That is a MAP sensor but I thought they only went on gas trucks. However, it seems the auto trans-equipped diesels have them too. It is true that the IDI does not have an ECM, but the E4OD trans does have an ECM, and it must be reading barometric pressure using the MAP sensor (MAP stands for Manifold Absolute Pressure, in a gas truck it would have a vacuum hose hooked up to it). Here is a pic from an auto-trans equipped diesel truck on eBay:
Sorry for the misinformation, all my diesels have had manual transmissions, so I have never seen this sensor on a diesel before. Now you gotta find out where the wiring harness that plugs into it has gone to!
Sorry for the misinformation, all my diesels have had manual transmissions, so I have never seen this sensor on a diesel before. Now you gotta find out where the wiring harness that plugs into it has gone to!
Logistics Pro
Joined: Apr 2005
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helifixer's post got me to thinking so I did some research. I have misled you. That is a MAP sensor but I thought they only went on gas trucks. However, it seems the auto trans-equipped diesels have them too. It is true that the IDI does not have an ECM, but the E4OD trans does have an ECM, and it must be reading barometric pressure using the MAP sensor (MAP stands for Manifold Absolute Pressure, in a gas truck it would have a vacuum hose hooked up to it). Here is a pic from an auto-trans equipped diesel truck on eBay:
Sorry for the misinformation, all my diesels have had manual transmissions, so I have never seen this sensor on a diesel before. Now you gotta find out where the wiring harness that plugs into it has gone to!
Sorry for the misinformation, all my diesels have had manual transmissions, so I have never seen this sensor on a diesel before. Now you gotta find out where the wiring harness that plugs into it has gone to!
I'm fairly certain (not 100% though) that my E4OD didn't have that and I spent way too much time on the POS and it's wiring. Truck's long gone though so I can't verify.
I'll keep an eye open in the bone yards though...
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Freshman User
Joined: May 2014
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From: Bensalem PA
helifixer's post got me to thinking so I did some research. I have misled you. That is a MAP sensor but I thought they only went on gas trucks. However, it seems the auto trans-equipped diesels have them too. It is true that the IDI does not have an ECM, but the E4OD trans does have an ECM, and it must be reading barometric pressure using the MAP sensor (MAP stands for Manifold Absolute Pressure, in a gas truck it would have a vacuum hose hooked up to it). Here is a pic from an auto-trans equipped diesel truck on eBay:
Sorry for the misinformation, all my diesels have had manual transmissions, so I have never seen this sensor on a diesel before. Now you gotta find out where the wiring harness that plugs into it has gone to!
Sorry for the misinformation, all my diesels have had manual transmissions, so I have never seen this sensor on a diesel before. Now you gotta find out where the wiring harness that plugs into it has gone to!
there is still something strange going on here as this truck is a 5 speed manual
Dave
Lead Driver
Joined: Feb 2002
Posts: 7,970
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From: Greater Austin, Texas
When you say "this truck" I assume you mean your truck? Maybe it's been converted from auto trans? What is the trans code on the door sticker?
In any case, if your truck is manual trans now, you can just take that MAP sensor off and toss it.
In any case, if your truck is manual trans now, you can just take that MAP sensor off and toss it.
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Freshman User
Joined: May 2014
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From: Bensalem PA
Yes i mean my truck, sorry, i just got this truck last week, i will go look at the door sticker later tonight when i get home from work.
thanks
Dave
