Question about 2007 Lexus RX 350 FWD

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I have a very tricky 2007 Lexus RX350. My check engine light and VSC light have been coming on for 6 months and I cannot find a reason why. The code coming up is PO356 which says it's the #6 coil and I have had all the coils and plugs changed to new ones. I even changed #6 twice because the code was still coming up. After all that the lights are still coming on. I replaced the gas cap as I heard this can casue the problem and I've also checked that the vacuum hose filter is hooked up too. I am out of solutions. Help!

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  • Charlene Phaneuf
    Charlene Phaneuf Nov 02, 2014

    Hi Tera Blight, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?

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6 Suggested Answers

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SOURCE:

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: rx 300 2001 vsc and check engine light

most likely the problem lies with an oxygen sensor. The most common one to fail is on the passenger side of the engine. you will need a special socket to change it. Be sure to put the vehicle on jackstands. It should take less than two hours-start to finish.

Posted on Dec 30, 2008

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SOURCE: 2007 lexus rx350 ,vsc light on and check engine light is flashing

First check and make sure your gas cap is tight, if this does not resolve the problem read below.
A vacuum hose has become disconnected, more than likely due to having your air filter replaced. The VSC and Check engine light typically don't come on until after 150-200 miles after the vacuum hose was pulled out.
The fix: on the right-hand-side of the engine compartment behind the big plastic housing that holds the air filter you will find a black rubber hose that is not connected to anything. Squeeze the finger clamp on the hose and slide the hose back onto the half inch nipple on the back of the air filter's plastic housing.
In order for the VSC and Check engine light to be turned off, you will need to open the fuse box, right-side of the engine compartment, and pull the 20 amp EFI fuse for 10 seconds. This will reset the system. The fuse location is marked on the lid of the fuse box, also I believe the EFI fuse is the only 20 amp fuse
. This will help. Thanks, please keep updated. please do rate the solution positively .thank you for using fixya


Posted on Dec 29, 2009

  • 1 Answer

SOURCE: 07 lexus rx 350 with check engine light code p0304

Hi, did you ever get an answer? I have the same issue. Thanks.

Posted on Apr 29, 2010

jturcotte
  • 8980 Answers

SOURCE: check engine light keeps coming on the code is

Check compression on cylinder. Possible bad valve

Posted on Aug 29, 2010

  • 480 Answers

SOURCE: My check engine light, and

if you have friends that work on cars you can buy the charcol canistar online for way cheaper and there not hard to replace its just a few hoses and a few wires for a sensor i use a website called rockauto.com they have almost anything you will ever need and its pretty easy to find what your looking for as well.

Posted on Dec 28, 2010

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First check and make sure your gas cap is tight, if this does not resolve the problem read below.
A vacuum hose has become disconnected, more than likely due to having your air filter replaced. The VSC and Check engine light typically don't come on until after 150-200 miles after the vacuum hose was pulled out.
The fix: on the right-hand-side of the engine compartment behind the big plastic housing that holds the air filter you will find a black rubber hose that is not connected to anything. Squeeze the finger clamp on the hose and slide the hose back onto the half inch nipple on the back of the air filter's plastic housing.
In order for the VSC and Check engine light to be turned off, you will need to open the fuse box, right-side of the engine compartment, and pull the 20 amp EFI fuse for 10 seconds. This will reset the system. The fuse location is marked on the lid of the fuse box, also I believe the EFI fuse is the only 20 amp fuse
. This will help. Thanks, please keep updated. please do rate the solution positively .thank you for using fixya


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