GS - 3rd Gen (2006-2011) Discussion about the 2006+ model GS300, GS350, GS430, GS450H and GS460

2007 gs350 wont start need help!!!!!!!!

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Old 12-21-15, 08:19 AM
  #16  
Nick3gs
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I tried to google it but I couldn't even get a good pic of where it is
Old 12-21-15, 09:29 AM
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sheriffwoo
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The fuel pressure sensor let's the computer know how to compensate for different conditions. You usually do not see something like that unless it's direct fuel injection, which I think our 3.5l is.
The sensor shorts out internally taking out computer out reference signals and communication.
Your not going to really find a picture of where it goes, just look at the picture of what the sensor looks like, then reread my post above, you will not really see it until you remove the throttle body, use a good flashlight. You may be able to find the connector to try to unplug and plug it back in without swinging the throttle body out of the way, but would be a lot better to remove the 4 bolts from the throttle body and swing it out of the way (and replace it while you are at it) If not please just call a mechanic. You will need a wrench (forget the size) and you will need to cut the wrench down to about 4 to 6 inches long.

Last edited by sheriffwoo; 12-21-15 at 09:36 AM.
Old 12-21-15, 09:31 AM
  #18  
Nick3gs
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So that explain why the car won't start the sensor is causing all that , sorry I'm new to this drove a Honda before this so the fixes were easier this is a whole new game to me
Old 12-21-15, 09:34 AM
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sheriffwoo
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I added to my post just above so please reread it.
Also, I never had 1 issue with my honda accord lol


Originally Posted by Nick3gs
So that explain why the car won't start the sensor is causing all that , sorry I'm new to this drove a Honda before this so the fixes were easier this is a whole new game to me
Old 12-21-15, 09:37 AM
  #20  
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I'm gonna try to find a mobile mechanic I had my car taken in for the recall back in August 2015 didn't think it happen again
Old 12-28-15, 07:27 AM
  #21  
sheriffwoo
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Need to merge these two threads.
Basically the fuel pressure sensor shorts out and fouls up the ecu. If your cooling fans run constantly and won't crank, replace the fuel pressure sensor. All info is on this thread or
https://www.clublexus.com/forums/gs-3rd-gen-2006-2011/806263-2007-gs350-wont-start-need-help.html
Old 12-31-15, 11:58 AM
  #22  
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Still can't find it
Old 01-04-16, 07:11 AM
  #23  
sheriffwoo
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I know it's hard to see lol.
Almost directly under the throttle body about 6 to 8 inches under throttle body, probably can only see when throttle body removed.. It screws in facing to the front of the car. The wires coming from 9ther side of the sensor face to the rear of the car, look for the wires. It screws Into an aluminum fuel housing (almost looks like a thermostat housing). With throttle body removed and a headlight on your forehead there is one good angle looking down where the throttle body was, you can see it. Once you see the sensor (look up a picture online so you know what to wire end looks like) use a shorty wrench to looses then unscrew by hand, blindly as you reach in.
Originally Posted by Nick3gs
Still can't find it
Old 01-04-16, 07:14 AM
  #24  
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Ok thanks I will try again I had mechanic looking at it and they said I was wrong about the sensor but I guess they do anything to make an extra buck
Old 01-04-16, 11:43 AM
  #25  
burny
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everything in this car is a PITA to get to. lol
Old 01-04-16, 03:30 PM
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Nick3gs
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Yea I know and there aren't many diy on this car either
Old 01-11-16, 06:36 AM
  #27  
sheriffwoo
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If you want to diagnose it, find the cam sensor on the valve cover and check for 5 volts on the terminal I spoke about in diagnosing, either on this thread or the one on this forum I posted about an 08 gs350 fuel pressure sensor.

I searched google images 2007 gs350 fuel pressure sensor and got a few different sensors. The one from ebay (I would NOT buy the eBay one) that shows a metal threaded end, and a square black plastic "box" with a 6" wire (harness) coming out of the back. The metal threaded end screws into the back of the high pressure fuel housing, the treads are facing forward but obviously hidden in the housing. The size is around 1" but metric equivalent. The small black box on the back of the sensor, and the wire pigtail both face the back of the car.
Old 01-11-16, 09:47 AM
  #28  
Nick3gs
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Which would be the best one to buy ? And thanks for helping most mechanics I had come to try and replace it won't even do it , did u replace your taking off the throttle body?
Old 01-18-16, 06:02 AM
  #29  
sheriffwoo
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Please reread post 15 for your answer



Originally Posted by Nick3gs
Which would be the best one to buy ? And thanks for helping most mechanics I had come to try and replace it won't even do it , did u replace your taking off the throttle body?
Old 01-26-16, 04:51 PM
  #30  
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I finally got to the sensor now the hard part is trying to disconnect the plug anyone have a easy way to unplug it


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