Bad sign? white spots under the hood - Ford Powerstroke Diesel Forum

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post #1 of 3 Old 05-22-2011, 05:42 PM Thread Starter
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Bad sign? white spots under the hood

i have been running the 175 spartan tune for about 2 weeks. noticed today that i have white spots under my hood closest to the driver. is this flash boil sign? what does this mean?

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post #2 of 3 Old 05-22-2011, 07:54 PM
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You may have a bad coolant reservoir cap. Start out by replacing the cap. If that doesn't fix it, it could definitely be the EGR coolers flash boiling.

Jeff Dodd
spartan_jeff12@yahoo.com

2012 Ford F-250 Lariat CC/SB

Mods - Spartan tuned via laptop, 4" AFE stainless exhaust system, 2.5" PMF BMC leveling spacers, 3" PMF lift blocks, Fox Racing 2.0 shocks, Recon smoked mirror & cab lights
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post #3 of 3 Old 05-23-2011, 03:03 AM Thread Starter
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So if its not the cap the only.way.to.keep.from.flash.boiling is EGR delete? And shouldn't it only flash.boil if my EGR temp gets over 1400?

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