IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

2011 is350 problems please help

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Old 04-08-19, 04:57 PM
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Samsquanch
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Just wanted to update and see if I could get any more assistance, I replaced the fuel pressure sensor today and I’m still getting the p0087 fuel pressure too low code, any other ideas? Should I try to replace the high pressure pump with a used one now?
Old 04-09-19, 08:53 AM
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2013FSport
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You need to verify the low pressure supply is good. I am not sure what the value is but the electric pump in the tank should be roughly 50 to 80psi. The time it takes to hook up a gauge you could pull the pump and clean the sock. It could explain this. i.e. it has Enough volume/pressure at idle but not enough to go beyond that.

There is a recent thread by mikefig where he pulled the pump and it was loaded with debris.
Be safe about working around fuel /vapor. No sparks or flames or you make the news! You up for the task?
Old 04-09-19, 09:25 AM
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Thanks, I will try that, I am familiar with working around fuel, I replaced the pump in my 4Runner a while back and seemed to survive that, it was significantly easier to diagnose than this
Old 04-09-19, 04:21 PM
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Just took the pump out of the tank and cleaned the sock, there was almost nothing on it

what’s next? Try a used high pressure pump? Could it still be the in tank pump causing this?
Old 04-09-19, 05:29 PM
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MikeFig82
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Originally Posted by Samsquanch
Just took the pump out of the tank and cleaned the sock, there was almost nothing on it

what’s next? Try a used high pressure pump? Could it still be the in tank pump causing this?
How did the fuel filter look inside?
Old 04-09-19, 05:32 PM
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I was looking at the process to replace the high pressure pump up front. It says to use some kind of tool to prevent interference or something like that. Then again a few members have done it on the 250. I'd recommend getting new gaskets all where applicable. You can search the forums on the recall. I think it shows you all the necessary gaskets and torque specs to use.
Old 04-09-19, 05:45 PM
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Everything inside looked pretty much new
Old 04-09-19, 05:49 PM
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Originally Posted by Samsquanch
Everything inside looked pretty much new
When I did my filter change. After I started it up it had a mild whine to the pump up front. I'm assuming it was the pressure not built up. Then after a few minutes it went away. Have you heard any noises from it prior to your issues?
Old 04-09-19, 06:34 PM
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No odd noises or behaviors prior to the stalling incident I described in the op, the car went into limp mode the same day and hasn’t been driven since

however, I have a fairly loud exhaust so it’s possible I didn’t hear it
Old 04-14-19, 10:50 AM
  #25  
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Question

Originally Posted by Samsquanch
No odd noises or behaviors prior to the stalling incident I described in the op, the car went into limp mode the same day and hasn’t been driven since

however, I have a fairly loud exhaust so it’s possible I didn’t hear it
Any updates?
Old 04-14-19, 01:53 PM
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Originally Posted by 2013FSport
Any updates?
not yet, I haven’t gotten around to ordering a used high pressure pump yet since I have another vehicle to drive, but I will update this as soon as I do, I should order one within a week
Old 06-14-19, 11:26 AM
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I just wanted to update everyone, after a long ordeal trying to get the right pump I finally got a good one and it has fixed my issue. Thanks for the help everyone
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