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Old 11-20-2012, 11:20 PM   #21 (permalink)
racer55
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This post shows the proper vac line routing for an S vin engine:
help help help

Not quite sure why the call the baro sensor a map sensor?
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Last edited by racer55; 11-20-2012 at 11:21 PM.
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Old 11-21-2012, 07:51 AM   #22 (permalink)
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Quote:
Originally Posted by Wik837 View Post
Also I just cracked the line going to the wastegate to the solenoid rechecking all the vac lines how do I replace this?
The factory plastic lines are known to get brittle over the years - most people just tear them all out and replace them with regular old inexpensive vacuum line from your nearest autoparts place.
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Old 11-21-2012, 10:11 AM   #23 (permalink)
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What size, just what ever fits on the hook ups?and by the looks of it my wastegate solenoids been hook up backwards since day one
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Old 11-21-2012, 11:19 AM   #24 (permalink)
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Quote:
Originally Posted by racer55 View Post
Not quite sure why the call the baro sensor a map sensor?
Manifold Absolute Pressure...
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Old 11-22-2012, 07:12 PM   #25 (permalink)
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Well the ses light came on today with a1191 code x2 so now it's hunt down where the leak is, and tips. And is there any way if possible to plug the hole where the black tube comes of the air duck and runs in front of the engine bay? I believe it's for expansion air or some thing for the turbo but I see many of the 6.5s with out them
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Old 11-23-2012, 09:04 PM   #26 (permalink)
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found the leak now popping a p0406 x2 changed the egr/baro sensor.still popping same code. going to check iat and ect any other suggestions?
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Old 12-06-2012, 11:15 PM   #27 (permalink)
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Quote:
Originally Posted by vstech View Post
Manifold Absolute Pressure...
Yes but in it's use it is a barometric sensor-not connected to the manifold.
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Old 12-07-2012, 08:29 AM   #28 (permalink)
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Yes but in it's use it is a barometric sensor-not connected to the manifold.
my 94 has two. one on the firewall for baro, and one on the manifold for intake charge... no?
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Old 12-07-2012, 09:46 AM   #29 (permalink)
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Yes,usually the baro sensor on the firewall only reads ambient pressure and the one on the intake reads manifold absolute pressure MAP.

In some cases the on gassers the map gives the baro reading during the gauge check and then map when running.
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Old 12-07-2012, 12:24 PM   #30 (permalink)
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I switched the vac lines the way they where routed originally and now no smoke and no codes. Now that I got that all figured out I'm thinking of redeleting the egr. Thank you all so much for your help. The truck is running like a champ now, and I went from 380 miles to a full tank to 250 miles and I'm not even to 3/4s of a tank
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