24 Valve Engine and Drivetrain Discuss the 24 Valve engine and drivetrain here. No non-drivetrain discussions please. NO HIGH PERFORMANCE DISCUSSION!

New user, no boost!

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Old 03-30-2005, 07:10 PM
  #16  
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has someone blocked the wastegate? or poked a hole in the wastegate hose?
Old 03-30-2005, 08:02 PM
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I picked up a boost gauge and pillar mount after work today. I'll try and get it installed tommorow if it doesn't rain. What's the best way to tap into the intake? Drill and tap the intake horn or tap into an existing plug as mentioned here?

http://i.b5z.net/i/u/265866/i/Dodge_gauge.pdf
Old 03-30-2005, 08:17 PM
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Don't tap into the intake just use the 3/4" plug, it's very easy, I did it today and it took me 15 minutes, I had to use more than 1 reducer to go from 3/4" to 1/8" but it did work out fine.
I ordered the a pillar pod with DPP, in the meantime the gauge sits on top of dash loose.
Old 03-31-2005, 07:03 AM
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Originally posted by Valv
Don't tap into the intake just use the 3/4" plug, it's very easy, I did it today and it took me 15 minutes, I had to use more than 1 reducer to go from 3/4" to 1/8" but it did work out fine.
I ordered the a pillar pod with DPP, in the meantime the gauge sits on top of dash loose.
Good deal, I'm heading to the hardware store at lunch to see what kind of reducers I can find. I picked my stuff up at DPP too, great prices and I'm lucky enough to have them local.
Old 04-01-2005, 04:23 PM
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Got the boost gauge installed. It tops out at 20psi, certainly not the 2-3 psi the scanner was showing. I'm going to hook it up to the scanner again and compare scanner readings with actual boost just to make sure we weren't reading something wrong. I also want to see if there are any diagnostic tests for the MAP within the scanner but so far all indication are that the MAP is bad. If the rain here slacks off long enough I'll also pull the MAP and see if cleaning it does anything.
Old 04-01-2005, 07:31 PM
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just curious, does the scanner you are using display this reading as inches of mercury or inches of water there is a great difference in regard to pressure.
Old 04-01-2005, 07:33 PM
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I'll check when we hook it up again but I'm 99.99999999% sure it was read in inches of Mercury.
Old 04-02-2005, 07:55 AM
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u can purchase the iat sensor for around 22.00 at just about any autoparts store. standard ignition part number ax68.
Old 04-03-2005, 04:40 PM
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Originally posted by Mopar1973man
Check for leaking boots on the intercooler... common problem.
The boots have been known to rub the fenders and rub holes in them.

MAP sensor and IAT Sensors need to be cleaned (try cleaning first) or replaced.

You might take notice to your exhuast... smoke black, white, grey, blue??? Heavy or not???

That will give some more clues...
How do you clean the map sensor?
Old 04-03-2005, 05:46 PM
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Hooked it up to the scanner again, it only reads 4.6-4.7 in of Hg when the guage reads 20 psi of boost, that equates to 2-3 psi. I pulled the MAP sensor to check and it didn't need cleaning. I checked the lead going into the MAP with a voltmeter and it shows a reference voltage of ~5 volts which seems normal for a typical sensor. The MAP has to be bad, I guess just not bad enough to throw a code. I'm going to pick up a new MAP sensor tommorow, surely that is the problem.
Old 04-04-2005, 08:14 PM
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I replaced the MAP sensor earlier and so far no change in power or feel driving unloaded around town. I was affraid that would be the case. I'm going to hook it to the scanner again tommorow to see if it's reading any differently, i'm affraid it's not though. Any new ideas?
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