Catalytic Converter on 2013 2.4L 4-cyl - TerrainForum.net: GMC Terrain Forum
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post #1 of 14 (permalink) Old 08-18-2019, 12:04 PM Thread Starter
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Catalytic Converter on 2013 2.4L 4-cyl

Hello,

We drove our Equinox to South Florida last Sunday from the DC area, so about 1050 miles one-way. We didn't have any issues while driving to our destination. We arrived and park the car in the garage, and didn't use it for the rest of the day

The following afternoon I went to get the car and the engine jerked when I started it, but the car remained on. In my mind, I thought this was related to the FL weather and the car not being used for 24+ hours. In any case, It drove just fine that day and the following day. No jerking issues while starting the car again

On the 4th day while leaving the South Florida area, the engine light came up. We stopped to make sure the gas cap was properly closed which it was, so we continued driving to Central Florida this time. Car drove just fine. No engine noises, nothing really.

We were in Central Florida for a couple days, and there were no issues with the car while driving around. Engine light was still there though.

Finally, while driving back to DC area, we decided to stop by a car dealership in Jacksonville FL to check on the engine light before driving the remaining 700+ miles. The dealership was about to close, but the Service Advisor was able to get the code, and he told me that it was related to the Catalytic Converter. He told me the part itself is expensive because it was OEM, but the labor would be cheap because it'd only require about an hour or so to complete the job. He then proceeded to tell me that based on the mileage of the car, I could always just get an after market part, which are about half the price, but that there's no guarantee it will work properly. Having said that, he told me that if the car wasn't stalling or giving me any other issues while driving, that I should be able to continue to drive back to our destination.

We continued to drive without any issues, but in South Carolina we had to do a sudden stop on the highway due to traffic and the car just shut off. I started it again and moved to the side and the car shut off again. I waited about a minute or so; started the car again, and it stayed on, so we just continued driving. We stopped in North Carolina to get food, and this is when I noticed that the car would only try to shut off while starting to accelerate, it wouldn't do this while on Parking. In any case, we filled out our gas tank, which was enough to get to our destination, and we didn't stop until we got home.

Car still drives great, it's only when you start accelerating that the engine wants to shut off. I did however notice a subtle sound (like a whistle) while accelerating on the highway, something I hadn't noticed before.

At this point, I am debating whether to fix this Catalytic converter with an OEM part and keep the car, or just replace it with an aftermarket part and get rid of it. I am leaning towards keeping it. It has about 159,300 miles on it, but still drives great, and will only use it to commute back and forth from work. Not to mention, I recently spent about $1100 on new tires/breaks/rotors, but I could always try to sell it and recover that money as well, but I would still need to fix the Catalytic converter issue to sell it.

What would you guys do? Will fixing this converter issue be enough, or it this the beginning of many other fixes to come related to this issue specifically? How much should i expect to pay for this repair at the dealership, assuming that I use an OEM part?

Any advise is appreciated

Victor

Last edited by vacunajr; 08-18-2019 at 12:41 PM.
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post #2 of 14 (permalink) Old 08-18-2019, 12:17 PM
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Spend some time reading on this forum about the 2.4L problems.
At 160K miles you probably are going to start investing some money in the engine.
Are you using a lot of oil, did you replace the timing chains/water pump, did you do several transmission fluid changes by now?

To be honest I think it's time to trade.

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Build Date: Nov. 04, 2013-Delivery Date: Nov. 25, 2013

Last edited by rednox301; 08-18-2019 at 12:29 PM.
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post #3 of 14 (permalink) Old 08-18-2019, 12:38 PM Thread Starter
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Originally Posted by rednox301 View Post
Spend some time reading on this forum about the 2.4L problems.
At 160K miles you probably are going to start investing some money in the engine.
Are you using a lot of oil, did you replace the timing chains/water pump, did you do several transmission fluid changes by now?

To be honest I think it's time to trade.
Lately, I've been changing the oil every 5K miles. We started having the engine rattle noise (timing chain issues) at 140K miles, and the dealership has been doing and I quote "performing bg epr carbon removal around rings" every time we get an oil change, and that gets rid of the noise, but it always comes back when we are approaching 5K miles

My plan was originally to drive the car until it died, but we now have this new catalytic converter issue, so I am not so sure anymore. Like you said. it might be time to trade depending on how much it costs to get this new issue fix

Last edited by vacunajr; 08-18-2019 at 03:26 PM.
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post #4 of 14 (permalink) Old 08-18-2019, 01:13 PM
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"I did however notice a subtle sound (like a whistle) while accelerating on the highway, something I hadn't noticed before."


OP, this makes me think you need to check the exhaust manifold between the middle runners for a crack, well known issue on these motors, in fact the whole exhaust system for leaks. Also check all vacuum lines for integrity and they are not cracked and leaking. Not sure if any of the above issues would throw a cat code, but I've seen posts about misleading codes many times. I would hate to see you spend the $ on a new converter when you actually may have another issue. Also if you can find a gray-beard mechanic that's more hands on rather than just a code reader, it may serve you well now and into the future.
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post #5 of 14 (permalink) Old 08-18-2019, 03:13 PM Thread Starter
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Originally Posted by garagerog View Post
"I did however notice a subtle sound (like a whistle) while accelerating on the highway, something I hadn't noticed before."


OP, this makes me think you need to check the exhaust manifold between the middle runners for a crack, well known issue on these motors, in fact the whole exhaust system for leaks. Also check all vacuum lines for integrity and they are not cracked and leaking. Not sure if any of the above issues would throw a cat code, but I've seen posts about misleading codes many times. I would hate to see you spend the $ on a new converter when you actually may have another issue. Also if you can find a gray-beard mechanic that's more hands on rather than just a code reader, it may serve you well now and into the future.
Thanks for the tip. I will make sure to bring it up tomorrow morning when I drop off the car
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post #6 of 14 (permalink) Old 08-19-2019, 02:38 PM Thread Starter
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Ok, so the dealership wants $1K for an OEM catalytic converter... My service advisor did tell me that I could buy an aftermarket one and just bring it. They could install it for $300. Question, what aftermarket brand do you recommend? There are some very cheap ones in Autozone, around $70, but I don't want to buy something cheap that will break soon after it is installed.

Having said that, I was also just told that the car stalling while accelerating is not related to the catalytic converter, but the timing belt... Dealership wants $2.4K to fix this. I just told them that it's not worth it because of the mileage in the car, so the service advisor checked with his mechanic and they are recommending replacing the actuator, which they say it's just a patch to the timing belt problem, but that it should give me a few more miles on the car, but it will break again at some point. Thoughts on this temporary fix, which will cost me $350?

Any feedback is appreciated

Victor
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post #7 of 14 (permalink) Old 08-19-2019, 07:19 PM Thread Starter
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Originally Posted by vacunajr View Post
Ok, so the dealership wants $1K for an OEM catalytic converter... My service advisor did tell me that I could buy an aftermarket one and just bring it. They could install it for $300. Question, what aftermarket brand do you recommend? There are some very cheap ones in Autozone, around $70, but I don't want to buy something cheap that will break soon after it is installed.

Having said that, I was also just told that the car stalling while accelerating is not related to the catalytic converter, but the timing belt... Dealership wants $2.4K to fix this. I just told them that it's not worth it because of the mileage in the car, so the service advisor checked with his mechanic and they are recommending replacing the actuator, which they say it's just a patch to the timing belt problem, but that it should give me a few more miles on the car, but it will break again at some point. Thoughts on this temporary fix, which will cost me $350?

Any feedback is appreciated

Victor
Update. I just picked up the car, and it's no longer shutting off when starting to accelerate. Dealership replaced the intake camshaft actuator solenoid valve per my invoice. ($359.89)

The engine light is also now gone, even though the Catalytic converter hasn't been replaced yet. I still need to get an aftermarket one though to get it installed
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post #8 of 14 (permalink) Old 08-19-2019, 08:58 PM
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https://www.rockauto.com/?carcode=1446747&parttype=5808

AP Emissions 644015

Currently working for me. I had an issue with the eastern catalytic model.

2011 Equinox 2.4 FWD - (wife's car that I have the pleasure of maintaining)
200,000 miles... on overhaul number 3 due to timing chains and worn out pistons
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post #9 of 14 (permalink) Old 08-20-2019, 10:13 AM
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Quote:
Originally Posted by vacunajr View Post
Update. I just picked up the car, and it's no longer shutting off when starting to accelerate. Dealership replaced the intake camshaft actuator solenoid valve per my invoice. ($359.89)

The engine light is also now gone, even though the Catalytic converter hasn't been replaced yet. I still need to get an aftermarket one though to get it installed

Now that it is running ok . . . and with the mileage you have on it . . . It would be a good time to trade it in IMHO.
A 2.4L showing signs of failure again is very likely.
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post #10 of 14 (permalink) Old 08-20-2019, 10:17 AM Thread Starter
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https://www.rockauto.com/?carcode=1446747&parttype=5808

AP Emissions 644015

Currently working for me. I had an issue with the eastern catalytic model.
Thanks for the recommendation. Has the engine light come back at all after using this brand?
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