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Old 11-02-2011, 03:25 PM   eBay Motors  #1 (permalink)
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P0087 Code

I have been getting this code occasionally lately on a 90hp tune on my Quad S2. What is this code exactly? I put's the truck in limp mode which is annoying.
I thought it was low fuel pressure, but i checked it when i put it to the floor on the highway. My Desired is about 26000 at WOT and m actual is about 23000-24000 at WOT. So this doesnt seem to low to me?
Any other idea's what it is or how to fix it?
Better not be injector's.

I am going to change my fuel filter and see if it fixes it as my fuel filter does have 5000 miles on it.
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Old 11-02-2011, 03:29 PM   eBay Motors  #2 (permalink)
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low fuel rail pressure

get a shim kit or race valve and it will stop it from dumping rail pressure at WOT
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Old 11-02-2011, 03:34 PM   eBay Motors  #3 (permalink)
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man its weird that alot of people get low fuel pressure code on 90hp my truck didnt run out of fuel till i put it on 135 and it still didnt pop a cel i used to run my truck hard on the 110 daily
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Old 11-02-2011, 03:38 PM   eBay Motors  #4 (permalink)
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man its weird that alot of people get low fuel pressure code on 90hp my truck didnt run out of fuel till i put it on 135 and it still didnt pop a cel i used to run my truck hard on the 110 daily
I had never got the code on my Bully Dog once even on the 140hp tune, or the PPE on the 225 tune.I got it once on the Quad 135hp tune, now twice on the 90hp tune in the last two day's.
Guess i'll change the fuel filter first, than i guess its time to spend some cash soon.

Will i cause any damage to anything if i keep gettin this code and clearing it until i get a AirDog?
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Old 11-02-2011, 03:39 PM   eBay Motors  #5 (permalink)
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Quote:
Originally Posted by Boreen View Post
I have been getting this code occasionally lately on a 90hp tune on my Quad S2. What is this code exactly? I put's the truck in limp mode which is annoying.
I thought it was low fuel pressure, but i checked it when i put it to the floor on the highway. My Desired is about 26000 at WOT and m actual is about 23000-24000 at WOT. So this doesnt seem to low to me?
Any other idea's what it is or how to fix it?
Better not be injector's.

I am going to change my fuel filter and see if it fixes it as my fuel filter does have 5000 miles on it.
hey man. my truck did the same thing.. I replaced the fuel filter. and it stopped throwing that code.. lemme know if that is what fixes it for ya!
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Old 11-02-2011, 03:44 PM   eBay Motors  #6 (permalink)
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Quote:
Originally Posted by Boreen View Post
I had never got the code on my Bully Dog once even on the 140hp tune, or the PPE on the 225 tune.I got it once on the Quad 135hp tune, now twice on the 90hp tune in the last two day's.
Guess i'll change the fuel filter first, than i guess its time to spend some cash soon.

Will i cause any damage to anything if i keep gettin this code and clearing it until i get a AirDog?
gonna need to shim it man, shiming is easy and cheap and then when you get your airdog you will be able to run whatever tune you want. but with you saying that im gonna guess fuel filter as well
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Old 11-02-2011, 03:46 PM   eBay Motors  #7 (permalink)
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your gonna wanna shim it before getting an AD bc it will still dump pressure even with and AD

PPE Release Valve Shim Kit

heres one
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Old 11-02-2011, 03:48 PM   eBay Motors  #8 (permalink)
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and all of these are rated differently.

some at the crank, some to the wheels etc..
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Old 10-21-2012, 08:13 PM   eBay Motors  #9 (permalink)
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any other reasons to get this code?
truck is stock tuned, has race valve and airdog 165 now and still set this code at holding it wot for a kilometer or so.
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Old 10-21-2012, 10:19 PM   eBay Motors  #10 (permalink)
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or jsut get the alligator plug. turn up your airdog
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