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Old Sep 21, 2015, 03:49 PM
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Old Feb 26, 2015 | 08:35 AM
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Originally Posted by jdjonesdr

I'm pretty sure I saw the Mobil1 synthetic the other day in the hardware store. I'm gonna head over there and check it out.

Great article by Salad, BTW.
Mobil 1 is good stuff. I've used it for years without issue. On salads report it shows well as well.
Old Feb 26, 2015 | 09:17 AM
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Originally Posted by drhoward1988
Mobil 1 is good stuff. I've used it for years without issue. On salads report it shows well as well.
I agree. Im using m1 HM full syntec in all my vehicles.
Old Feb 26, 2015 | 03:15 PM
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What is this red cap and should it be there?
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Old Feb 26, 2015 | 03:17 PM
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Looks like it's plugging a vacuum port
Old Feb 26, 2015 | 03:20 PM
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I think so too, I know it runs behind the engine and then to the back left corner of the engine bay but I don't know what it hooks up to or why I don't have it and my friends does
Old Feb 26, 2015 | 03:24 PM
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Originally Posted by OP_Rover
I think so too, I know it runs behind the engine and then to the back left corner of the engine bay but I don't know what it hooks up to or why I don't have it and my friends does
yup it's plugged
Old Feb 26, 2015 | 03:29 PM
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Originally Posted by XJwonders
yup it's plugged
Did it come like that or did a PO do it?
Old Feb 26, 2015 | 03:30 PM
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Originally Posted by OP_Rover
Did it come like that or did a PO do it?
what year is yours? Usually if someone did the 99+ manifold upgrade. They would plug that line. If yours is a 99 or up. Then there's a vacuum line missing

But to be absolute certain, let's carefully check out the engine compartment for any broken or missing connections
Old Feb 26, 2015 | 04:12 PM
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I have a 99, this is what it runs to on my friends

And whatever is back there on his i don't even have. I just have my Vacuum ball relocated there
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Last edited by OP_Rover; Feb 26, 2015 at 04:14 PM.
Old Feb 26, 2015 | 04:16 PM
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Do u have evap set up on your jeep?
Old Feb 26, 2015 | 04:27 PM
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Honestly wouldn't know what to look for to answer that question, but if you tell me I will look

*** looks like I don't have the Leak detection pump (LDP).... But I do have the solenoid and test port for the system
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Last edited by OP_Rover; Feb 26, 2015 at 04:39 PM.
Old Feb 26, 2015 | 04:56 PM
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Originally Posted by OP_Rover
What is this red cap and should it be there?
I have a 99 and I had a cracked plug that I replaced with a red cap. In fact it looks like you snapped a pic of my engine. It's some kind of vacuum, maybe for cruise control?
Old Feb 26, 2015 | 04:58 PM
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Originally Posted by OP_Rover
Honestly wouldn't know what to look for to answer that question, but if you tell me I will look *** looks like I don't have the Leak detection pump (LDP).... But I do have the solenoid and test port for the system
U do have a pump right there
Old Feb 26, 2015 | 05:15 PM
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.
Last edited by Dumajones; Feb 26, 2015 at 05:34 PM.
Old Feb 26, 2015 | 05:30 PM
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I don't have what is labeled as LDP in this diagram
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