turbo wont spool until truck is up to running temp? - Ford Powerstroke Diesel Forum
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post #1 of 15 Old 12-29-2012, 11:15 AM Thread Starter
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turbo wont spool until truck is up to running temp?

this is my first winter with my 03 7.3 ....... i unplugged my truck this morning and started it just like any other day but when i pulled onto the road i noticed no turbo spool after about 5 min of driving the truck was up to its normal running temp and the turbo was working just fine like nothing was ever wrong? any ideas???
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post #2 of 15 Old 12-29-2012, 11:33 AM
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Probably hearing a hissing noise too?

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post #3 of 15 Old 12-29-2012, 02:07 PM
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Probably the EBPV. How cold was it when this happened?

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post #4 of 15 Old 12-29-2012, 03:53 PM Thread Starter
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yea on the hissing.. also forgot to mention that the exhaust is hacked off about 2 ft passed the back of the cab so no muffler etc (not my handy work) and response to the 2nd question about 20 degrees...... what is the letters that u mentioned?
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post #5 of 15 Old 12-29-2012, 03:55 PM
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EBPV (Exhaust Back Pressure Valve). It's suppose to help with engine warm up. Most guys disconnect them.

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post #6 of 15 Old 12-29-2012, 04:20 PM Thread Starter
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ok so 2 questions where do i find that to disconnect it and is there anything actually wrong with my truck.... and thank you very much for the help
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post #7 of 15 Old 12-29-2012, 04:24 PM
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Quote:
Originally Posted by zachthebuilder View Post
ok so 2 questions where do i find that to disconnect it and is there anything actually wrong with my truck.... and thank you very much for the help
It is a normal characteristic for that engine, however you could have a bad sensor or clogged tube making it more noticeable. There is a plug on the bottom of the turbo that you can disconnect that should make it quit.

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post #8 of 15 Old 12-29-2012, 04:27 PM Thread Starter
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like a wire harness of some sort then?
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post #9 of 15 Old 12-29-2012, 04:31 PM
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like a wire harness of some sort then?
Yeah. I think it's a 2 wire plug

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post #10 of 15 Old 12-29-2012, 04:34 PM Thread Starter
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thanks, how would i go about checking to see if the tube is clogged?
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