Air Dog II speratic FP - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 4 (permalink) Old 05-13-2010, 03:33 AM Thread Starter
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Air Dog II speratic FP

Question for you guys, i installed the ADII bout 6 months ago an now im havin a lil trouble with my fp bouncin around from normal (15 psi) to anywhere up to 32 psi at anytime throttle is depressed when driving, runs fine at idle tho. never drops below 11 but just a pain and when cruisin steady at ant speed it will jump around still. called the pure flow tech, said to loosen regulator and run it in and out a few time, that didnt do a thing, havent replaced filters since install, sorry for the novel any suggestions will be appreciated. thanks guys
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post #2 of 4 (permalink) Old 05-13-2010, 11:25 AM
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try a different gauge with a different sender to be sure its the pump and not a sending unit or gauge

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post #3 of 4 (permalink) Old 05-14-2010, 11:55 PM
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When you do replace a sender or a mechanical gauge make sure you install a needle valve or a snubber before the sender or gauge to protect it from water hammer damage which is most likely the problem here...


Mechanical gauge are in the long run more durable compared to electric gauge that tend to wig out without notice... Plus theelectric sender are expensive to replace all the time...

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post #4 of 4 (permalink) Old 05-16-2010, 01:38 AM Thread Starter
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im reading off my attitude moniter now, granted those arent always accurate.
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