Check Engine / VSC Light On Then Off When Gas Half Full
Thread Starter
Driver School Candidate
Joined: Jun 2014
Posts: 1
Likes: 0
From: ON
Check Engine / VSC Light On Then Off When Gas Half Full
Hi There,
I have a 2007 IS250 AWD and have been searching for threads similar to the issue I am experiencing but have had no luck so I'm hoping some of you could provide some insight.
The car has around 138,000km on it and I fill up using Octane 91 (Premium at Petro Canada only). I always stop the fill up when the gas pump handle clicks. I never over fill.
A month and a half ago, the Check Engine & VSC lights came on.
The dealer identified an exhaust leak around the Y-pipe area and recommended a shop to take my car to. The Y-pipe section was cut out and replaced and the Check Engine & VSC lights went off for a month and a half.
The lights appeared again last week.
I have noticed that the lights generally come on when the gas tank is just over 3/4 full but not full.
The lights then go off when the gas tank is around 1/2 full.
I was able to replicate this issue twice over the last week.
I took it to the dealer and they pulled up the codes and said they were seeing a code related to the CCO (catalytic converter).
But if it was a CCO issue, wouldn't the lights stay on regardless of the level of gas in the tank?
Additional observations include something peculiar with the gas cap.
When the engine / VSC lights are on, I tighten the gas cap (clockwise) until it clicks but after a few seconds, I hear a very tiny click where the gas cap turns ever so slightly (counter clockwise). Is this normal?
It doesn't happen when the tank is 1/2 full or less (which is when the engine / VSC lights are off).
The dealership says the codes don't pertain to a gas cap issue so now I'm left wondering what the real issue is.
After fixing the Y-pipe, I don't want to prematurely spend money on something that may not be the root cause. Changing the affected CCO (whichever one is affected) is fairly expensive as I have been told.
Really hoping some of you could provide some insight.
Thanks.
I have a 2007 IS250 AWD and have been searching for threads similar to the issue I am experiencing but have had no luck so I'm hoping some of you could provide some insight.
The car has around 138,000km on it and I fill up using Octane 91 (Premium at Petro Canada only). I always stop the fill up when the gas pump handle clicks. I never over fill.
A month and a half ago, the Check Engine & VSC lights came on.
The dealer identified an exhaust leak around the Y-pipe area and recommended a shop to take my car to. The Y-pipe section was cut out and replaced and the Check Engine & VSC lights went off for a month and a half.
The lights appeared again last week.
I have noticed that the lights generally come on when the gas tank is just over 3/4 full but not full.
The lights then go off when the gas tank is around 1/2 full.
I was able to replicate this issue twice over the last week.
I took it to the dealer and they pulled up the codes and said they were seeing a code related to the CCO (catalytic converter).
But if it was a CCO issue, wouldn't the lights stay on regardless of the level of gas in the tank?
Additional observations include something peculiar with the gas cap.
When the engine / VSC lights are on, I tighten the gas cap (clockwise) until it clicks but after a few seconds, I hear a very tiny click where the gas cap turns ever so slightly (counter clockwise). Is this normal?
It doesn't happen when the tank is 1/2 full or less (which is when the engine / VSC lights are off).
The dealership says the codes don't pertain to a gas cap issue so now I'm left wondering what the real issue is.
After fixing the Y-pipe, I don't want to prematurely spend money on something that may not be the root cause. Changing the affected CCO (whichever one is affected) is fairly expensive as I have been told.
Really hoping some of you could provide some insight.
Thanks.
1st Gear
Joined: Oct 2024
Posts: 1
Likes: 0
Hi There,
I have a 2007 IS250 AWD and have been searching for threads similar to the issue I am experiencing but have had no luck so I'm hoping some of you could provide some insight.
The car has around 138,000km on it and I fill up using Octane 91 (Premium at Petro Canada only). I always stop the fill up when the gas pump handle clicks. I never over fill.
A month and a half ago, the Check Engine & VSC lights came on.
The dealer identified an exhaust leak around the Y-pipe area and recommended a shop to take my car to. The Y-pipe section was cut out and replaced and the Check Engine & VSC lights went off for a month and a half.
The lights appeared again last week.
I have noticed that the lights generally come on when the gas tank is just over 3/4 full but not full.
The lights then go off when the gas tank is around 1/2 full.
I was able to replicate this issue twice over the last week.
I took it to the dealer and they pulled up the codes and said they were seeing a code related to the CCO (catalytic converter).
But if it was a CCO issue, wouldn't the lights stay on regardless of the level of gas in the tank?
Additional observations include something peculiar with the gas cap.
When the engine / VSC lights are on, I tighten the gas cap (clockwise) until it clicks but after a few seconds, I hear a very tiny click where the gas cap turns ever so slightly (counter clockwise). Is this normal?
It doesn't happen when the tank is 1/2 full or less (which is when the engine / VSC lights are off).
The dealership says the codes don't pertain to a gas cap issue so now I'm left wondering what the real issue is.
After fixing the Y-pipe, I don't want to prematurely spend money on something that may not be the root cause. Changing the affected CCO (whichever one is affected) is fairly expensive as I have been told.
Really hoping some of you could provide some insight.
Thanks.
I have a 2007 IS250 AWD and have been searching for threads similar to the issue I am experiencing but have had no luck so I'm hoping some of you could provide some insight.
The car has around 138,000km on it and I fill up using Octane 91 (Premium at Petro Canada only). I always stop the fill up when the gas pump handle clicks. I never over fill.
A month and a half ago, the Check Engine & VSC lights came on.
The dealer identified an exhaust leak around the Y-pipe area and recommended a shop to take my car to. The Y-pipe section was cut out and replaced and the Check Engine & VSC lights went off for a month and a half.
The lights appeared again last week.
I have noticed that the lights generally come on when the gas tank is just over 3/4 full but not full.
The lights then go off when the gas tank is around 1/2 full.
I was able to replicate this issue twice over the last week.
I took it to the dealer and they pulled up the codes and said they were seeing a code related to the CCO (catalytic converter).
But if it was a CCO issue, wouldn't the lights stay on regardless of the level of gas in the tank?
Additional observations include something peculiar with the gas cap.
When the engine / VSC lights are on, I tighten the gas cap (clockwise) until it clicks but after a few seconds, I hear a very tiny click where the gas cap turns ever so slightly (counter clockwise). Is this normal?
It doesn't happen when the tank is 1/2 full or less (which is when the engine / VSC lights are off).
The dealership says the codes don't pertain to a gas cap issue so now I'm left wondering what the real issue is.
After fixing the Y-pipe, I don't want to prematurely spend money on something that may not be the root cause. Changing the affected CCO (whichever one is affected) is fairly expensive as I have been told.
Really hoping some of you could provide some insight.
Thanks.
Did you ever get to find the issue? 😂
I have a 2006 that is doing exactly the same thing you just described. Would be appreciated 🙏
Thread
Thread Starter
Forum
Replies
Last Post
bclare13
GX - 1st Gen (2003-2009)
7
Sep 20, 2016 03:45 PM
lrh512
RX - 2nd Gen (2004-2009)
4
Aug 16, 2015 10:54 AM
LexIS250ad
IS - 2nd Gen (2006-2013)
3
Nov 21, 2012 07:52 AM
