Please tell me this is why I'm getting P1494 & rough starting..?




Or at least what's supposed to go on this guy...
Location: Right on top of intake.
Thanks lads,
Rich

Kind of looks like a vacuum line.

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thanks fer the reply.
lemme clarify, it looks like a Vacuum hose fitting.
Any thoughts?

P1494 (M) Leak Detection Pump Sw or Mechanical Fault Incorrect input state detected for the leak detection pump (LDP) pressure switch.




I looked at mine, the hose leads to under the fuse box.

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Look under the battery for the purge solenoid. It should have 2 hoses coming off of it. One of these hoses goes to the fitting in the picture....

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Starting my 10th year as a Parts and Master Certified Service Manager. James O'Neal Dodge. Bremen GA.- 1-800-663-2522 www.onealdodge.com www.bigostreetrods.com

sweet cheeks of Budhha..
thanks fellers.
Rich

ok, so this is weird.

After hooking up a Vacuum line I found dangling on the engine(with a big split in the end), I reconnected it to the empty port on the intaqke.
Now, the truck runs terrible for the first few minutes...
When I first started it yesterday after reconnecting th eline, I couldn;t believe how badly it stumbled: I thought honestly that ti was going to stall...
It seemed to work it self out..
Could this mean that the 'pump' gizmo under the fuse box is bad?
I am baffled as to why hooking up the line made life worse....
Logic dictates that if I UNHOOKED the vacuum line, and left it open, that it would be back to where it was & would actually run better...doesn't make sense to moi...

ugh...
any suggestion is welcomed...

RG:

The system has to relearn the fact that this hose is now hooked back up which will stabilize the vaccum. If you need to speed the process up, do a battery disconnect reset by removing the negative cable and depressing the brake pedal for a min or so.

Then, hook back up and go for a drive. System should relearn its parameters and all should be fine.

Don

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2001 Dark Garnet Pearl Durango SLT+ 4.7L
AWD w/ 3.55 gears (mine)
2005 Linen Gold Pearl DGC 3.8L (hers)

Mine just has a plug on that fitting. 2001 4.7

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01 Durango SLT+ - 4.7 - 206 cams, 02 HO intake, 18" Magnaflow with dual tails, Airaid MIT, K&N dropin, BBK 70mm TB, SCT Flash, Jet 180 stat

15.61 @ 85.08

ray doode, does yours have the emission control system that mine does?
I was just told that since the truck came from MASS,that explains why it has this system(they're strict apparently)
Rich