Kia Sportage 2. 0 That Was K. I. A.
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Date: 2025-08-02
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Comments and reviews: 20
2nickles647
I purchased a Endo scope because of Dr. O
Last month, I was asked to diagnose a loss of power on a 2018 Ford Expedition 3. 5
Owner says as he was giving her the beans, the truck lost power and barely crested the hill.
I had purchased a Endo scope but it didn't have a wiggly end.
So I bought one. Waited a week and back out to the patient.
First thing I noticed, the plugs were all shot. Meaning, the gaps were big and the ground straps were burnt.
So bought a set.
Installed them. Still a pockety pocketty sound.
I pulled the plugs. Started my compression check.
Went on down each cyclinder. Twice to check each reading. Got to numba 5. zero pounds. I checked it 3 times.
Whipped out my new Endo scope.
I went down each hole checking.
Got to numba 5.
Found a big part of the exhaust valve missing, a chunk.
I suspected the final tally was the driver's side turbo ate the missing part of the valve and locked it up solid. Thus the loss of power immediately.
Half of the engine was low on kornpression.
It looked like a lack of air filter change or service killed the engine too.
I'm glad I bought the new Endo scope. I took pictures too.
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I purchased a Endo scope because of Dr. O
Last month, I was asked to diagnose a loss of power on a 2018 Ford Expedition 3. 5
Owner says as he was giving her the beans, the truck lost power and barely crested the hill.
I had purchased a Endo scope but it didn't have a wiggly end.
So I bought one. Waited a week and back out to the patient.
First thing I noticed, the plugs were all shot. Meaning, the gaps were big and the ground straps were burnt.
So bought a set.
Installed them. Still a pockety pocketty sound.
I pulled the plugs. Started my compression check.
Went on down each cyclinder. Twice to check each reading. Got to numba 5. zero pounds. I checked it 3 times.
Whipped out my new Endo scope.
I went down each hole checking.
Got to numba 5.
Found a big part of the exhaust valve missing, a chunk.
I suspected the final tally was the driver's side turbo ate the missing part of the valve and locked it up solid. Thus the loss of power immediately.
Half of the engine was low on kornpression.
It looked like a lack of air filter change or service killed the engine too.
I'm glad I bought the new Endo scope. I took pictures too.
reply
c4rn199
Something you may not know. well for starters this Theta II engine has 4 different spark plugs. In 2010 they had denso20 plugs (heat range 6) and then changed to denso22 (heat range 7) to help with the center electrode burning off and dropping the ceramic insulator which usually breaks the valve. sounds familiar right After denso 22's they went to a custom ngk plug (heat range 8. Even then they still had issues with the center electrode breaking off so they decided to sink the ceramic down in the plug a bit more to protect it. This all has to do with the logic that was created to run on regular fuel. Basically the knock sensor listens for spark knock and retards ignition timing to eliminate it, though when the car sees the fuel level change it bumps timing back up to test the fuel. So it's an endless cycle of spark knock if you don't run premium fuel in these things.
Also cylinder 2 on the 2. 0t is first to go due to the short run from the twin scroll manifold, it runs a lot hotter than the other cylinders. I'm surprised it's not cylinder 2 that has no compression. I wonder what plugs are in that motor.
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Something you may not know. well for starters this Theta II engine has 4 different spark plugs. In 2010 they had denso20 plugs (heat range 6) and then changed to denso22 (heat range 7) to help with the center electrode burning off and dropping the ceramic insulator which usually breaks the valve. sounds familiar right After denso 22's they went to a custom ngk plug (heat range 8. Even then they still had issues with the center electrode breaking off so they decided to sink the ceramic down in the plug a bit more to protect it. This all has to do with the logic that was created to run on regular fuel. Basically the knock sensor listens for spark knock and retards ignition timing to eliminate it, though when the car sees the fuel level change it bumps timing back up to test the fuel. So it's an endless cycle of spark knock if you don't run premium fuel in these things.
Also cylinder 2 on the 2. 0t is first to go due to the short run from the twin scroll manifold, it runs a lot hotter than the other cylinders. I'm surprised it's not cylinder 2 that has no compression. I wonder what plugs are in that motor.
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RussellBooth1977
I know that Ivan from PHAD was lapping a brand new valve into a cylinder head of a 5 cylinder Volvo engine after the inlet valve got messed up after their crappy PCV valve fell apart & got caught up between the valve & its seat.
He also relapped the valves into the cylinder head of a Chevrolet Prism engine when he replaced the piston rings in the engine for a customer, it was basically the same car as my mothers old 2000 model Toyota Corolla AE112R model which my dad sold 19 months ago because my mother couldn't drive anymore, it was my grandmothers car until she died of cancer in 2006.
I'm pretty sure that it was the same 1. 8 litre Toyota 7AFE engine which was in the Chevrolet Prism which car was designed & manufactured by GM as a joint venture with Toyota.
Ivan said that he has successfully done it that way on his farm with several cars but I'm thinking that you're after a Daves auto centre type of business to recondition that cylinder head!
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I know that Ivan from PHAD was lapping a brand new valve into a cylinder head of a 5 cylinder Volvo engine after the inlet valve got messed up after their crappy PCV valve fell apart & got caught up between the valve & its seat.
He also relapped the valves into the cylinder head of a Chevrolet Prism engine when he replaced the piston rings in the engine for a customer, it was basically the same car as my mothers old 2000 model Toyota Corolla AE112R model which my dad sold 19 months ago because my mother couldn't drive anymore, it was my grandmothers car until she died of cancer in 2006.
I'm pretty sure that it was the same 1. 8 litre Toyota 7AFE engine which was in the Chevrolet Prism which car was designed & manufactured by GM as a joint venture with Toyota.
Ivan said that he has successfully done it that way on his farm with several cars but I'm thinking that you're after a Daves auto centre type of business to recondition that cylinder head!
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daveyio87
the machine shop is a dying trade and its sad. I hate the planned obsolecense crap and the throw away mentality. We are so big on car emissions but don't look at waste. I mean i took a picture once of all the trash from doing a lifter job on a silverado and there was a pile of boxes and bags on the floor, completly unnecissary. I mean look at the 6. 2 l87 engine they are eating themselves alive and gms solution is to put thicker oil in it and not fix the real problem! Next Gen Drivetrain has come to a solution for the gm transmission and other makes that actually fixes the valve bodies. I saw a video where gm is starting to buy their parts because they can't fix vehicles fast enough. Imagine you have a 80k vehicle just sitting becuase it needs a valvebody and they are on back order, I would be livid pissed and i would be making gm make my car payment until it was fixed.
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the machine shop is a dying trade and its sad. I hate the planned obsolecense crap and the throw away mentality. We are so big on car emissions but don't look at waste. I mean i took a picture once of all the trash from doing a lifter job on a silverado and there was a pile of boxes and bags on the floor, completly unnecissary. I mean look at the 6. 2 l87 engine they are eating themselves alive and gms solution is to put thicker oil in it and not fix the real problem! Next Gen Drivetrain has come to a solution for the gm transmission and other makes that actually fixes the valve bodies. I saw a video where gm is starting to buy their parts because they can't fix vehicles fast enough. Imagine you have a 80k vehicle just sitting becuase it needs a valvebody and they are on back order, I would be livid pissed and i would be making gm make my car payment until it was fixed.
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OldManBadly
Kia engines are sadly on the scale with disposable lighters. Use them until they stop working, and get a new one.
If (and big if) you were going to consider doing a head, you would also have to have a look around for the missing piece of valve. If lucky, it got tossed out into the exhaust side, which would be not a big deal. So you would need to drop the oil pan and make sure you haven't got shiny silver oil, because that would tell you the metal got around the engine and likely everything in it is scored and unhappy. The line between try a head replacement and replace engine / crush car is pretty thin on this one. If you saw any misfires on other cylinders, then you have some looking around to do to find out.
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Kia engines are sadly on the scale with disposable lighters. Use them until they stop working, and get a new one.
If (and big if) you were going to consider doing a head, you would also have to have a look around for the missing piece of valve. If lucky, it got tossed out into the exhaust side, which would be not a big deal. So you would need to drop the oil pan and make sure you haven't got shiny silver oil, because that would tell you the metal got around the engine and likely everything in it is scored and unhappy. The line between try a head replacement and replace engine / crush car is pretty thin on this one. If you saw any misfires on other cylinders, then you have some looking around to do to find out.
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JEFFRIETREECE
Hi Eric O & Mrs O. and all friends out there. Additional Kia/Hyundai info About DIP Sticks New engines come with Yellow
from the factory, some get an Orange from ( after service. where they increase oil fill to help with an engine that has problems, but they do not want it to get too-low on oil ) and then the following: In some Kia and Hyundai vehicles, a red dipstick indicates that the engine has been replaced under a recall. Specifically, if the dipstick is red, it often signifies that the engine replacement was performed due to a Theta engine recall. It's a way for Kia to easily identify which vehicles have had the replacement done. Best Regards, jeffrie / Camas, WA
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Hi Eric O & Mrs O. and all friends out there. Additional Kia/Hyundai info About DIP Sticks New engines come with Yellow
from the factory, some get an Orange from ( after service. where they increase oil fill to help with an engine that has problems, but they do not want it to get too-low on oil ) and then the following: In some Kia and Hyundai vehicles, a red dipstick indicates that the engine has been replaced under a recall. Specifically, if the dipstick is red, it often signifies that the engine replacement was performed due to a Theta engine recall. It's a way for Kia to easily identify which vehicles have had the replacement done. Best Regards, jeffrie / Camas, WA
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Neilan_Soufflemoi
I've encountered a similar year no turbo. Had a burnt exhaust valve. No idea what happened before the cylinder went bad. The customer had already replaced all the plugs and coils. no idea what condition was. Only knew it burnt oil. We recommend a used engine, due to burnijg oil, customer opted for head work, professionally machined and checked. All back together and it ran fine. 15k miles later. Same dead cylinder. Alll the plugs were caked with black. Idk what happened. Burnt so much oil it block the injector and went lean Or just bad injectorMaybe something else Good luck. I hate being in that situation, there is no guaranteed great option that doesn't cost more than the car.
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I've encountered a similar year no turbo. Had a burnt exhaust valve. No idea what happened before the cylinder went bad. The customer had already replaced all the plugs and coils. no idea what condition was. Only knew it burnt oil. We recommend a used engine, due to burnijg oil, customer opted for head work, professionally machined and checked. All back together and it ran fine. 15k miles later. Same dead cylinder. Alll the plugs were caked with black. Idk what happened. Burnt so much oil it block the injector and went lean Or just bad injectorMaybe something else Good luck. I hate being in that situation, there is no guaranteed great option that doesn't cost more than the car.
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jonasmartinez1739
The problem with replacing the engine is that the replacement engine is using OEM Hyundai/KIA parts. And if that broken valve is any indication, the replacement engine may not last longer than the original engine. I believe pulling the engine out then replacing all valves with better designed ones. then while the engine is out, replace all piston rings with high performance high quality replacement ones, something like an NPR made in japan cast iron piston ring set that will fit that piston. same with the valves if they can find a set that fits the valve guides. like what other people posted in the comments, change all bearings, bushings and oil seals while it is out anyways.
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The problem with replacing the engine is that the replacement engine is using OEM Hyundai/KIA parts. And if that broken valve is any indication, the replacement engine may not last longer than the original engine. I believe pulling the engine out then replacing all valves with better designed ones. then while the engine is out, replace all piston rings with high performance high quality replacement ones, something like an NPR made in japan cast iron piston ring set that will fit that piston. same with the valves if they can find a set that fits the valve guides. like what other people posted in the comments, change all bearings, bushings and oil seals while it is out anyways.
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douglaslippertindy
It’s a shame about the machine shops. Our local (Indianapolis) Auto Electric shop is the same way. old guys who are experts but they can’t find young people who want to learn the trade.
It’s a damn shame we have done away with so many classes in high school that might have spurred a student’s interest in a trade. Auto shop, metal shop, etc.
Between the crappy parts these days and the lack of competent mechanics, the auto repair space is tough even for pro’s like Eric.
But hang in there and thanks for the entertaining content.
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It’s a shame about the machine shops. Our local (Indianapolis) Auto Electric shop is the same way. old guys who are experts but they can’t find young people who want to learn the trade.
It’s a damn shame we have done away with so many classes in high school that might have spurred a student’s interest in a trade. Auto shop, metal shop, etc.
Between the crappy parts these days and the lack of competent mechanics, the auto repair space is tough even for pro’s like Eric.
But hang in there and thanks for the entertaining content.
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boriss9477
I had the same problem for two months, a broken exhaust valve on the cylinder 4. Hyundai Santa Fe 2018 116 k miles, 2. 4 liter.
I never did any motor repair before but I had no choice, I decided to try.
I pulled and disassembled the motor and replaced the rod and crank bearings, piston rings (Hasting rings, not hyundai), and lapped all new valves by myself.
It took me 2 months to do this on weekends.
Finished 2 days ago! Ran 300 miles and no oil consumption, no leaks, runs perfect.
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I had the same problem for two months, a broken exhaust valve on the cylinder 4. Hyundai Santa Fe 2018 116 k miles, 2. 4 liter.
I never did any motor repair before but I had no choice, I decided to try.
I pulled and disassembled the motor and replaced the rod and crank bearings, piston rings (Hasting rings, not hyundai), and lapped all new valves by myself.
It took me 2 months to do this on weekends.
Finished 2 days ago! Ran 300 miles and no oil consumption, no leaks, runs perfect.
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JPAutoService
I just had an '18 Tuscon come in with the 1. 6 Guaranteed Destruction Imminent turdblow motor and it had a 0psi in #3 due to a burnt exhaust valve. I'd just do a valve job on it, but putting a guarantee on such a POS engine is not a good business practice. I was a Kia tech back in the late 00's and back then Kia engines were actually very reliable, most of them were Mitsubishi copies. When they came out with the GDI engines, they became the worst of the worst.
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I just had an '18 Tuscon come in with the 1. 6 Guaranteed Destruction Imminent turdblow motor and it had a 0psi in #3 due to a burnt exhaust valve. I'd just do a valve job on it, but putting a guarantee on such a POS engine is not a good business practice. I was a Kia tech back in the late 00's and back then Kia engines were actually very reliable, most of them were Mitsubishi copies. When they came out with the GDI engines, they became the worst of the worst.
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stevemccauley5734
It’s sad you have no machine shops around. I live in a crappy little town in Kansas with a population of around 3500. We have 4 engine machine shops within close driving distance. One city south of us has one of the best there is & they also have one that’s performance related. I guess it helps we have a fairly famous drag strip within 30 miles in the next state over. Plus there is a lot of truck & heavy equipment industry around the area.
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It’s sad you have no machine shops around. I live in a crappy little town in Kansas with a population of around 3500. We have 4 engine machine shops within close driving distance. One city south of us has one of the best there is & they also have one that’s performance related. I guess it helps we have a fairly famous drag strip within 30 miles in the next state over. Plus there is a lot of truck & heavy equipment industry around the area.
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autorepair
I don’t know if this would be best on a just chatting stream but I would love your perspective on new technicians joining the trade in this year of our lord 2025. My dad’s a mechanic and never showed me anything because he didn’t want me to like it and always warned me away from the industry. But after 20 years in an office I’m considering a shift. Just would love your general opinion on the state of the trade. Love the content!
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I don’t know if this would be best on a just chatting stream but I would love your perspective on new technicians joining the trade in this year of our lord 2025. My dad’s a mechanic and never showed me anything because he didn’t want me to like it and always warned me away from the industry. But after 20 years in an office I’m considering a shift. Just would love your general opinion on the state of the trade. Love the content!
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autorepair
I put a 150 k on an old Chrysler product back in the day with no problems but I think the longest oil change interval was 3500 miles. My gut says change the head. Maybe there is a mail order head exhange. On the other hand maybe not. But any yard engine will have fewer and more problems than this one and you'll have the swap labor. This way you'll fix what's wrong and have the head labor. Check the turbo while you're there.
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I put a 150 k on an old Chrysler product back in the day with no problems but I think the longest oil change interval was 3500 miles. My gut says change the head. Maybe there is a mail order head exhange. On the other hand maybe not. But any yard engine will have fewer and more problems than this one and you'll have the swap labor. This way you'll fix what's wrong and have the head labor. Check the turbo while you're there.
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chriscorts3337
Anyone hear the news The EPA is getting it's teeth knocked out concerning tailpipe emissions. Lee Zeldin and President Trump are ditching the section 209 of the clean air act as there is NO proof of their BS climate change agenda. Currently the EPA is taking in public opinion and in 43 days they will make a decision to change the rule. Congress is not involved as it is merely a rule and not a law. Freedom, here we come.
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Anyone hear the news The EPA is getting it's teeth knocked out concerning tailpipe emissions. Lee Zeldin and President Trump are ditching the section 209 of the clean air act as there is NO proof of their BS climate change agenda. Currently the EPA is taking in public opinion and in 43 days they will make a decision to change the rule. Congress is not involved as it is merely a rule and not a law. Freedom, here we come.
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Aaron-hd8ql
I owned a 2012 kia forte ex hatchback 4 door 2. 0 L the dam engine had a rod knock at 156k miles WITH PROPER MAINTENANCE AND OIL CHANGED ON A REGULAR BASIS. . DON'T WALK BUT RUN AWAY FROM ANYTHING KIA THEY WILL NOT LAST LUCKILY I BOUGHT IT USED AND HAD IT PAID OFF IN 3 YEARS BUT STILL ONLY LASTING 50K MILES IS JUST PROOF THAT CAR COMPANY IS CRAP. LIKE MONTY PYTHON MOVIE SAYS RUN AWAY. YEA KIA SUCKS.
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I owned a 2012 kia forte ex hatchback 4 door 2. 0 L the dam engine had a rod knock at 156k miles WITH PROPER MAINTENANCE AND OIL CHANGED ON A REGULAR BASIS. . DON'T WALK BUT RUN AWAY FROM ANYTHING KIA THEY WILL NOT LAST LUCKILY I BOUGHT IT USED AND HAD IT PAID OFF IN 3 YEARS BUT STILL ONLY LASTING 50K MILES IS JUST PROOF THAT CAR COMPANY IS CRAP. LIKE MONTY PYTHON MOVIE SAYS RUN AWAY. YEA KIA SUCKS.
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wesleypulkka7447
Eric, too bad about the machine shop dilemma and the KIA bad engine rap! Is there a source for rebuilt heads Looked like a lot of carbon so it is an oil burner. Kind of a hard decision! Used engines can be a pig in a poke so there's that! Love to see you pop the head and replace with a positive outcome! Mrs. O is the bomb always there with the digs! You two are lucky to be together!
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Eric, too bad about the machine shop dilemma and the KIA bad engine rap! Is there a source for rebuilt heads Looked like a lot of carbon so it is an oil burner. Kind of a hard decision! Used engines can be a pig in a poke so there's that! Love to see you pop the head and replace with a positive outcome! Mrs. O is the bomb always there with the digs! You two are lucky to be together!
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LuckyBaldwin777
FYI: I was in a hurry to get my v6 truck back on the road when it needed a valve job. I bought a set of cheap rebuilt heads from NAPA. They said they were rebuilt in Mexico. So far, I have 140, 000 miles on those heads with no problems and no complaints. I'm impressed with the rebuild job they did in Mexico and see no reason to be afraid of NAPA's Mexican heads.
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FYI: I was in a hurry to get my v6 truck back on the road when it needed a valve job. I bought a set of cheap rebuilt heads from NAPA. They said they were rebuilt in Mexico. So far, I have 140, 000 miles on those heads with no problems and no complaints. I'm impressed with the rebuild job they did in Mexico and see no reason to be afraid of NAPA's Mexican heads.
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autorepair
Taking over a fully equipped machine shop would seem like maybe a step toward semi-retirement, Less aggravation, less rusties and crusties, warm dry environment and less wear and tear on the old body. No new Chinesium parts headaches. Might be almost as good as running a Wilbert's! And you've taught us all that if someone can do it, you can do it.
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Taking over a fully equipped machine shop would seem like maybe a step toward semi-retirement, Less aggravation, less rusties and crusties, warm dry environment and less wear and tear on the old body. No new Chinesium parts headaches. Might be almost as good as running a Wilbert's! And you've taught us all that if someone can do it, you can do it.
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autorepair
Can this also have someting cause to knocksensor and the running on the lower octan fuel you have in usa In europa the lowest octan you can find here is your highest. Your ron 95 premium is equel to 91 octan and that is so low that you can not find it here. Here we normal runs cars on 98 octan and the cheapest low octan you can find is 95 octan.
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Can this also have someting cause to knocksensor and the running on the lower octan fuel you have in usa In europa the lowest octan you can find here is your highest. Your ron 95 premium is equel to 91 octan and that is so low that you can not find it here. Here we normal runs cars on 98 octan and the cheapest low octan you can find is 95 octan.
reply
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