Kia Optima & Hyundai Sonata 2.4 Engine Knock Sensor Diagnostic & replacement codeP1326
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- Опубліковано 9 лют 2025
- Before replacing Your Knock sensor make sure watch this video so you understand why you need to change it or how or what is the possible causes for this particular trouble code p1326, this type of Hyundai and kia with 2.4 engine has common problems like highe pressure fuel and road bearing clearance and knocking inside the engine that cause engine failure and Hyundai and kia has huge recall on this type engine because sone of the catch fire during years because on highe pressure fuel ,
We do well to remember that he performed the rod bearing clearance test first, which is very important because if it doesn’t pass: there is a possibility of internal engine damage, and if so: replacing the knock sensor will not fix the P1326 code, or the flashing check engine light.
The check engine light flashing due to knock sensor and constant knocking might be due to several reasons. I own a hyundai sonata and I had this problem. But It was nothing to worry about the engine because it was a factory recall to UPDATE the Sensor Softwar. Initially the local autoshop told me to use the engine warranty and get a new engine while the engine was totally fine. So, I gave the car to Service center and they Fixed it for absolutely NO COST!!!
What km did your vehicle have and what year was it?
@@davidmancilla3173 i second this
what year car you got
Thanks this helps a lot. Seems EASY and u show the issues u ran into which helps me.. thks
my pleasurre
Guy at O'Reilly's was like "Oh, you can do this yourself." NOPE! After watching this, not interested.
Turns out it was just the KIA vehicle's SOFTWARE, not a hardware failure at all. So always get yours tested; the shop might be able to update your onboard firmware to solve the CEL issue.
No sea weon está bien fácil
I just got the same exact wording from the same place, lol.
Ty so much for making this video. Many blessings upon you and yours!
I will try my best and thanks and God bless you
For such a common engine issue as a knock sensor this one is way too hard to remove and the result could still be same error code because the bearings have too much clearance. Our Kia Soul is in the garage, it has the KSDS update done and the engine all of a sudden started with this. First thing they said is that we have cheap fuel and this is the problem. But that causes knocking in the upper, not on the rod bearing, but at the valves. Plus we do only fill up at proper stations. So they want to reset the code and let us drive for a few days, maybe enough days for the 4th cylinder piston go through the engine block and put the car on fire. The car always had its maintenance at the intervals it should and has less than 60k miles on it. Also because the KSDS is already done the engine's warranty is extended to 200,000km or 125k miles. For people having this issue you need to go to the dealer and have the KSDS update done if you haven't. Have the dealer or a certified Kia mechanic change the knock sensor and do not do it yourself because you do not have the proper tools to measure clearance in your home garage. It needs to be documented, I can not stress enough that dealers and Kia HQ will find any reason to not approve the engine replacement.
Kia just replaced my engine at 189k after engine light came on and diagnostics revealed knock code. Knew oil was going somewhere but never saw leaks or oil lights on the dash. But anyway, dealership did the claim and I didn't have to submit any maintenance records. While they say it's an uograded engine, crossing my fingers. Never saw such clean oil on a dipstick before ... literally transparent!. Lol
Not me. My engine failed. And was replaced in 4 days. 0 question asked. Rental setup. Everything
@@shiningstar2903Was this 189k miles or Km?
I’m at 120,400k miles. And this code just hit me.
@@chaselesser3191 189 k in canada
Was The Check Engine Light Flashing On This Vehicle? Mine Is Flashing & I’m Getting The Same Code
I bought a used 2015 KIA Sorento a week ago with 160.000miles but today I noticed a check engine light flashing and stopped twice on the road. Can I still have a warranty so i could take it to KIa dealership for engine replacement since it still has less than 10 years and also less than 200000miles? suggestion?
get your vin number and call kia dealer, they will know the answer for you right away
Once you changed the knock sensor , do you have to reset or delete the dash display ?
Do you need KDS equipment to clear the code or will a Snap-On Scanner work?
Any code scanner that can clear codes will work. On board diagnostics codes or OBD2 is pretty standard as far as Engine codes any more and all scanners will clear engine codes. Now transmission and body control module codes can be a different story and may require a higher end scanner.
What are those 2 connections for that are on the left hand side from the knock sensors? buddy of mine removed the manifold and didn't detach the connectors and pulled a wire.
question, i have a 2016 sonata, the motor needs to be replaced, do you know if the 2016 optima motor is compatible?
@1:24 when he says "two connectors down here," any know what the connectors are for?? The ones connected to the bracket @4:46. I think he said the bigger one was the knock sensor cable. What's the other one?
Injection harness
Small one is a two wire plug, that's the knock sensor, big one is injection harness
@fredted1611
That's the bigger connector on the left? The one on right is the knock sensor connector?
Didn't see your second reply. Thanks
My 2018 Hyundai Sonata had that problem last week and the dealership did the rod bearing test first and then change the sensor
This just happened to my sonata. The check engine light turned on and code P1326 was given. I haven an appointment with Hyundai in 1 week. Did they charge you to do the rod bearing test and to change the sensor? And if they didn’t around how much did you pay? Hope you can help! Thank you!
@@eduardopalacios4940 nope , zero they told me it was a recall
@@LuisDiaz-lb5mc Thank you for your reply that is a huge help. My Hyundai dealer wants to charge me $170 for the test plus $600 if they gotta change the sensors.
@@eduardopalacios4940did they ever end up charging you?
@@LuisDiaz-lb5mcdid you get it to the dealership by driving? Or did you have to get it towed?
I have a 2016 Kia optima and the engine was replaced last year due to the recall and now it’s doing the same thing again and getting the same code
Unfortunately these engine are bad designed and mostly it has same issue like previous gen
I replaced the knock sensor on a 2015 hyundai tucson. its still knocking. got no power. what else can it be?
Hai bro i want to knw the hyundai sonata 2017 sport how to change mile to km in odo meter
Make sure take it to hyundai dealership they will do it free because every hyundai having same problem. If your car is under 10 year or less then 200000 km under warranty
We checked already and it was over
Good job, turn down the music.
Got a headache from it by the end.
I have kia optima 2015 my cel is flashing. This happened after i took it to the car wash and im getting the same code for knock sensor. Would i need to replace or just dry out the sensor socket?
I recommend just dry out the sensor connector it’s in front of the intake manifold and reset the check engine see what happened drive with 50 mile mile
You needed to take it to Kia for that recall
I have the same code Kia Optima 2016 lx 2.4 engine. P1326 knock sensor along with o2 oxygen sensor code. Does that mean i need to replace just the two sensors????
i have a similar situation. 2011 kia optima lx, replaced engine at 90k,replaced throttle body sensor and shortly after the 02 sensor car has been sitting for 3 years. i would say 3rd or 4th time p1326 has showed and car is now back in limp mode..gotta love kia..
@@conqureignreplacing your knock sensor would be the next best option
great quality video!
thanks man
I have a 2014 Kia optima 2.0T and I got this code two days ago I’m hesitant on if I should change the sensor myself I’m the second owner of the car and I don’t know if this already happened to the first owner and if he already took it to the dealer to get dealt with
My car has 160k miles so I don’t know if my car still falls under the recall if I change it myself not only that the nearest Kia dealership from me is almost 2 hours I don’t want to waste money towing all the way down there for them to send me away my car is stuck in limp mode any suggestions?
Hyundai/Kia had a settlement against them for this issue. I had my engine replaced for free on my sonata 2.0t at around 100k miles, 0 cost. They must also reimburse the towing fee and pay for your rental. Look into the rod bearing settlement for Hyundai/Kia.
@@XAMPOL thank you so much
@@thatboyjay8400 FYI it's also a lifetime warranty regardless of subsequent owners as long as it was due to rod knock/spun bearing, so the high mileage or how many owners it had shouldn't matter and don't let the dealership try to convince you out of it. I know your original comment was 5 months ago but good luck to you. The whole process took a couple weeks for me.
How to know if it is rod bearing or other, such as lifters?
It can be, there is special tools to check the pressure, but this is the easy fix and most common one
I want to pay for a 2011 sonata, would you recommend the GDI engine or the DOHC engine in terms of engine resistance.
Given the option I would stay away from direct injection, do you really want to have to pay for a valve cleaning every wo years?
My problem is the locking tab on the fuel rail, can’t get it off and the wires on from the sensor got pulled out 😢what do I do
Use mirror and small tools to pull the tab, it takes time, mine took an hr try a
Thx bro 😊
How much is for a job like this?
I can say around 550$ 600
Don’t believe this guy the price for change a nock sensor is 200 or 250
Ye that’s what i charge $250
How many miles on this engine?
90k
That engine calls for 5w-20
Oil, you put 0w-20 why?
I just had to replace the knock sensor on my hyundia sonata but I got it all back together and the light still flashing and won't go over 2,000 rpm? Any suggestions please I'm at a loss?
Your car may have rod bearing problem, internal engine issue
Did you fix it ?
If yes what was the problem
Thanks
Nice to see this replace practice but I just did today in mechanic charged me $250 huyndai sonata 2016
I’m glad your car got fixed to replace the sensor you need the tools an experience and if you don’t have it it’s better to give it to someone knows how to replace it instead of wasting time and money and extra parts it will damage
@@Matthewjo22 🙏 thanks bro good luck
My daughter Kia forte 5 code saying knock sensor and glow plug stuck open. It's reading the same code or they the same thing?
I have the same issue. Did you fix the problem? If so how did you fix it?
@@sbarton6908 yeah a lot of work but I did it then had the dealership to clear the history on it
My 2014 Kia Optima with the 2.4 just started to tick/knock and had loss of power. I was able to get it home since i was close enough. I checked the code and it came up with this code: P1326 but it says " glow relay stuck on." Is this the same code? Wish you could have recorded the knocking on this vehicle you were working on so we could compare. Great video and well explained.
Hi does your car diesel? It maybe same code but the knocking was it a lot , and one thing you need to be aware those car optima has internal engine issue and has free engine replacement recall
@@Matthewjo22 No it's not a diesel. I thought the code wording was weird but the Code P1326 does show up. I called my local KIA Dealer and they will not replace since i purchased the car as a "salvaged" title. Thanks for responding back your video was very helpful.
@@Matthewjo22 Have you heard of them denying an engine replacement due to a Salvaged title before?
@@dangonzalez2585 it can be happen, but no I’ve never heard that
@@dangonzalez2585 currently going through this. Any info would be much appreciated if there is any way around this.
How bolts in total do u remove?
i didnot count
Is it ok to buy 2019 hyundai sonata or kia optima right now considering the major engine problems?
I think the 2019 gen Doesn’t have this issue
@@Matthewjo22 i would hope so
I have a 2019 Sonata, the engine light is flashing and my knock sensor is bad. I only got 33,000 miles on it and I hope my engine is not bad.
Alguien save donde se conecta el sensor El mio esta deacobectado pero no encuentro su conection
what was the total time/ hours worked to replace the knock sensor?
3 hr
My 2015 Hyundai Sonata showed same code of P1326 Knock sensor with engine light flashing I took it to Hyundai They did everything for free and said If this problem comes again they need to replace engine which they will do for free until year 2025 or 200000 km because these all having knock sensor problem
So don’t take it to any Michanic make sure you take your Hyundai
Is this still active
you forgot to put back the foam..reduce noise
Did miss the part where you dealt with the intake gasket? Not even silicone? Brau!!!!
I’ve replaced my knock sensor on my 2016 sonata 2.4. Im having a tough time putting back the intake manifold back on, I can get the bottom in the right position but I cannot get the top 3 screws to align at the same time. Any tips/suggestions to get everything to fit snug?
Hi, make sure put the studs first, and make sure nothing on the way, no wire or no hose
Buen trabajo 👍
Ridicules just for a knock sensor.
I would recommend that anyone watching this video to please be aware there is a recall for several models regarding the knock sensor.
One is for a software update and one is for premature engine failure. Hyundai has extended this warranty to 10 years or 120k miles.
Clearing your light or replacing the sensor yourself could complicate your chances of having it covered.
Thanks man for your advice
I am currently doing this and fighting with hyundai. I am missing one of my oil change receipts and they are claiming the gap is too big with that one receipt. I change my oil every 5k miles. Car only has 86k on it. Warranty doesnt mean anything, they will bring up stupid things like this and try to get out of it by taking their sweet time doing anything. Going to the BBB is my next step.
Why not gaskets too?
witch gasket?
@@Matthewjo22 Intake manifold and throttle body. Is it necessary or suggested to replace at this time?
@@patricktracy6472 i recommend to replace it if the car high mileage, more than 100k
Because the gasket intend to break when gets old
Well??? Not even silicone?
I have a Kia Optima 2015 I was driving it last night the check engine light started blinking & I tried to push the puddle to give it gas & it won’t go I turned it off tried to turn it back on & it won’t start
It can be the same issue but you need to check with mechanic
Mine had did the same thing except the car still turned on and off but the power was low on the engine.
@@bryanperaza2784 was it the knock sensor??
Others say 15 ft lb
Instructionally, this is a terrible video. There's is so much splicing, camera doesn't move, many steps are done out of camera view. Not a good video to learn from.
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