Thanks so much for taking the time to document this repair. Rats had chewed off the wires to two of the four knock sensors on my 2008 Tundra. By watching this video I was able to do the repair myself in about 5-6 hours. I took my time and labeled each wire connector or hose as I disconnected them and got up to #22. This made putting everything back together pretty easy. Before I reinstalled the new wire harness, I wrapped it all with several additional layers of electrical tape, sprayed clear coat paint over the tape, and then sprinkled a bunch of cayenne pepper on the wet clear coat. Hopefully those darn rats leave it alone now. As you mentioned, the hardest part was getting those two back electrical bracket connectors released. Thanks again, you rock!
Dude they ABSOLUTELY WRECKED my pops Tundra 😂 thanks for the video, literally he did what you said left it sitting for too long a week he didn't work lol
this absolutely happened to me after one week sitting. mice got up under the intake manifold and chewed the knock sensor harness. i paid about $45 for the harness from oreilly's, and got it fixed with just a few ratchets in about 2.5 hours.
Exact fix to exact problem & no BS. Curtis, you literally saved my ass and sanity. I am a credentialed engineer and mechanic yet was baffled by as to why I got the EXACT indications you clearly detailed and a subsequent p0333 code (knock sensor) on my tundra. There were NO codes just the day before. Only difference was where I parked my truck…by the wood pile…rats! Those m’frs ate the harness down to the clips. I salute you for your straight, no BS FIX to what was otherwise leading to an ape shit freak out on my part. You deserve a medal. 🫡
Great breakdown. Keep getting a knock 002 code that I have to clear so I am not in limp mode. Rockauto & this video are about to save my a ton of hassle. THANK YOU
sorry but this rodent thing sent me on a wild goose chase.. i change the cable still and no luck .. sensor are impossible to reach without cutting pipes .. i read about the rodent/ mice thing .. everyone in the country except me has mice eating cables .. crazy .. any how thanks.
greetings from so cal where my sequoia has been sitting for the last year collecting rats nests and now throws a 0325 failed knock sensor code. thank you so much for the video./
When I changed my CHEWED knock sensor harnesses, I slobbered all connections, exposed bits of wire and loom tubes, with almost a whole tube of clear silicone. Hoped to slow down the rodents. 2007 Tundra, so sure didn't need to be pretty in there when I was done. Been two years with no knock sensor codes now.
After watching this, it looked like you had some coolant gel pooled up under there as well(valley plate) 7:49 probably should reseal the valley cover with FIPG so your not losing coolant. After awhile it gets worse and your coolant overflow stays empty.
Hey there, just recently picked up a well kept high milage 08 5.7 limited. I drove the tundra back about 2 hours with no issues a couple days ago. Today went to start it and got p0333, high input knock sensor bank 2 sensor 2. I ordered a new Dorman wiring harness to get the ball rolling lol. Do you think it's the harness or could it be the oxygen sensor? I didn't take the manifold off just yet, waiting for the new harness to come 12/21 in first. Just spitballing to you due to the fact of you helping a lot of people with this common issue. Which is much appreciated! Thank you
Thanks for the Video Going to tackle this on my 2014 4.6L. Rat poop all over the top cover and on top of the Cabin Air Filter. Would this issue throw a code for the Crankshaft Position Sensor P0335?
Hello. Replaced the wiring harness today. While removing everything to get the intake off hoses et cetera my antifreeze started leaking out of the blue from below. By the time I was done the coolant was completely drained. Refilled and now it’s leaking like a sieve out of a little hole on the bottom drivers side corner of the radiator. Right next to a plastic valve knob. What did I do wrong or miss?
Thank for this help! Just a couple questions, if you get time partner? 1. Are those 12mm torque bolts? 2. I noticed the rats ate right where the wires are exposed. Would electrical or gorilla tape help cover and protect them? 3. I bought an after market harness. Are they not made from mouse food for sure? Thx man if you get time!!!
yeah I believe they are 12mm you can use electrical tape anything helps to cover the wires the aftermarket harness is not made with linseed oil , so you are safe
Hello, I have a 2014 Toyota Tundra 5.7. question: will using 93 octane damage my Knock Sensor 3 Circuit High? My owners manual recommend 87octane and I have been using 93 for a few years. my code is P032D
I would run 87 octane per the owners manual , the 93 octane could over time damage the knock sensor and potentially the valve train not to mention you are probably getting worse gas milage with the higher octane fuel.
I just had the P0333 code thrown on my 12 toyota tundra 5.7 L. I have the TRD supercharger. The manifold cover is completely different. Do you happen to know if there's anything I need to look out for when removing that cover? Thanks btw for making and posting the video!
Finally got the manifold off, found the 2 10mm bolts holding the electrical harness to the manifold. Vacuumed out the rat bastards nest and waste and replaced the knock sensor wiring harness that was chewed (same place front passenger side). Will do some cleanup and spray peppermint oil in the area before installing the manifold back. Thanks for the video.
I'm in a similar position, the manifold is off and my issue now is that I don't know where to clip in the new wiring that connects the sensors to the truck. Please help.
the aftermarket harness is color coded I believe the Riverside connections are black(the ones that connect to the knock sensors )and the passenger side is grey, but double check there should only be one way it can fit
Whats up Indiomonk123 , its not to bad of a job ,my advice to you is ohm out the knock sensors with a multimeter just so you don't have to go back and replace any of them about 3 or 4 days later this truck threw a bank 1 knock sensor code and I had to go back and replace the knock sensor.
no you dont need to drain the coolant , I believe there is a couple coolant hoses on the intake just need to elevate them so it dosent spill everywhere, but its a totally doable job , there are a couple wiring harness connectors that can be kind of a pain but other than that its about a 2 hour job. thanks for watching !
great job my brotha my brother in law called me and said his shit was doing the same thing i saw your video took his shit apart and sure enough the rats were having a damn wire chewing festival
I am having trouble after replacing the 2 sensors and connecting them with a new sub harness finding the end where it connects into the truck. I've followed the wire into a small black box that's connected to the starter. Where does it exit and connect in?
sorry but this rodent thing sent me on a wild goose chase.. i change the cable still and no luck .. sensor are impossible to reach without cutting pipes .. i read about the rodent/ mice thing .. everyone in the country except me has mice eating cables .. crazy .. any how thanks.
Do you know the part number? mine sit at airports months... garage should have check your channel cause he said : «your intake was loose i retight it». what i understand, he overtight it... I redo it my self... i might have surprise from the mecanic who charged me few hundred for sh...
Whats up Bradley , yeah not to bad , The tundra v8 is a really good engine, and not that difficult to work on , some of the inline 6 cylinders you have to remove the entire intake just to get to the spark plugs.
Thanks so much for taking the time to document this repair. Rats had chewed off the wires to two of the four knock sensors on my 2008 Tundra. By watching this video I was able to do the repair myself in about 5-6 hours. I took my time and labeled each wire connector or hose as I disconnected them and got up to #22. This made putting everything back together pretty easy. Before I reinstalled the new wire harness, I wrapped it all with several additional layers of electrical tape, sprayed clear coat paint over the tape, and then sprinkled a bunch of cayenne pepper on the wet clear coat. Hopefully those darn rats leave it alone now. As you mentioned, the hardest part was getting those two back electrical bracket connectors released. Thanks again, you rock!
Dude they ABSOLUTELY WRECKED my pops Tundra 😂 thanks for the video, literally he did what you said left it sitting for too long a week he didn't work lol
Yeah man the mice are brutal and the always seem to know what wires to chew on to completely mess it up! lol
this absolutely happened to me after one week sitting. mice got up under the intake manifold and chewed the knock sensor harness. i paid about $45 for the harness from oreilly's, and got it fixed with just a few ratchets in about 2.5 hours.
Exact fix to exact problem & no BS. Curtis, you literally saved my ass and sanity. I am a credentialed engineer and mechanic yet was baffled by as to why I got the EXACT indications you clearly detailed and a subsequent p0333 code (knock sensor) on my tundra. There were NO codes just the day before. Only difference was where I parked my truck…by the wood pile…rats! Those m’frs ate the harness down to the clips. I salute you for your straight, no BS FIX to what was otherwise leading to an ape shit freak out on my part. You deserve a medal. 🫡
Good video.
Gave me confidence to do mine. Same problem. Mice
Hey Bradley !
its not that bad of a job could probably have it done in a couple hours .
Love the video. I’m doing my truck now🤪
Great breakdown. Keep getting a knock 002 code that I have to clear so I am not in limp mode. Rockauto & this video are about to save my a ton of hassle. THANK YOU
sorry but this rodent thing sent me on a wild goose chase.. i change the cable still and no luck .. sensor are impossible to reach without cutting pipes .. i read about the rodent/ mice thing .. everyone in the country except me has mice eating cables .. crazy .. any how thanks.
greetings from so cal where my sequoia has been sitting for the last year collecting rats nests and now throws a 0325 failed knock sensor code. thank you so much for the video./
When I changed my CHEWED knock sensor harnesses, I slobbered all connections, exposed bits of wire and loom tubes, with almost a whole tube of clear silicone. Hoped to slow down the rodents. 2007 Tundra, so sure didn't need to be pretty in there when I was done. Been two years with no knock sensor codes now.
Excellent video. Clear and concise. Thanks. (would like to know about how much has to come off the intake. I'll figure it out.
Great video. Do you have the part number for the wiring harness used in the video
After watching this, it looked like you had some coolant gel pooled up under there as well(valley plate) 7:49 probably should reseal the valley cover with FIPG so your not losing coolant. After awhile it gets worse and your coolant overflow stays empty.
Yes a common issue. tracking it on my wifes 2016 Seq now. My 2019 tundra is good for now.
Hey there, just recently picked up a well kept high milage 08 5.7 limited. I drove the tundra back about 2 hours with no issues a couple days ago. Today went to start it and got p0333, high input knock sensor bank 2 sensor 2. I ordered a new Dorman wiring harness to get the ball rolling lol. Do you think it's the harness or could it be the oxygen sensor? I didn't take the manifold off just yet, waiting for the new harness to come 12/21 in first. Just spitballing to you due to the fact of you helping a lot of people with this common issue. Which is much appreciated! Thank you
Thanks for the Video Going to tackle this on my 2014 4.6L. Rat poop all over the top cover and on top of the Cabin Air Filter. Would this issue throw a code for the Crankshaft Position Sensor P0335?
The rats probably ate some wires for the CP sensor, but the only way to know is to inspect all the wiring.
Wrap the new harness in aluminum tape and any others you can as a preventative
Hello. Replaced the wiring harness today. While removing everything to get the intake off hoses et cetera my antifreeze started leaking out of the blue from below. By the time I was done the coolant was completely drained. Refilled and now it’s leaking like a sieve out of a little hole on the bottom drivers side corner of the radiator. Right next to a plastic valve knob. What did I do wrong or miss?
thanks for the video, what's the wire connector part number?
Managed to get a screen shot. Part #82219-0C020
Thanks for this excellent video @happybleeding
Sorry for being a noob - what spray did you use in this video to spray off the intake manifold?
I ws using break cleaner , but contact cleaner would have been better
Thanks for your sharing knowledge 👍!
No problem Khim Sopha Car Fixing !
thanks for supporting the channel!
Thank for this help! Just a couple questions, if you get time partner?
1. Are those 12mm torque bolts?
2. I noticed the rats ate right where the wires are exposed. Would electrical or gorilla tape help cover and protect them?
3. I bought an after market harness. Are they not made from mouse food for sure?
Thx man if you get time!!!
yeah I believe they are 12mm
you can use electrical tape anything helps to cover the wires
the aftermarket harness is not made with linseed oil , so you are safe
Did you replace the intake gasket?
Hello, I have a 2014 Toyota Tundra 5.7. question: will using 93 octane damage my Knock Sensor 3 Circuit High? My owners manual recommend 87octane and I have been using 93 for a few years. my code is P032D
I would run 87 octane per the owners manual , the 93 octane could over time damage the knock sensor and potentially the valve train not to mention you are probably getting worse gas milage with the higher octane fuel.
@@happybleeding Understood; thank you for taking the time to respond. I really appreciate it...
No problem any time
I just had the P0333 code thrown on my 12 toyota tundra 5.7 L. I have the TRD supercharger. The manifold cover is completely different. Do you happen to know if there's anything I need to look out for when removing that cover? Thanks btw for making and posting the video!
Ive never done one with a super charger but Im guessing there is More coolant lines and another gasket that has to be replaced for the super charger,
Where is the electrical connector on the back side? I can't see it very easy?
Finally got the manifold off, found the 2 10mm bolts holding the electrical harness to the manifold. Vacuumed out the rat bastards nest and waste and replaced the knock sensor wiring harness that was chewed (same place front passenger side). Will do some cleanup and spray peppermint oil in the area before installing the manifold back. Thanks for the video.
sorry ive been super busy, just saw your question
thanks for commenting im glad you got er done!
I'm in a similar position, the manifold is off and my issue now is that I don't know where to clip in the new wiring that connects the sensors to the truck. Please help.
the aftermarket harness is color coded I believe the Riverside connections are black(the ones that connect to the knock sensors )and the passenger side is grey, but double check there should only be one way it can fit
Good video. I have to do my wife ms sequoia soon.
Whats up Indiomonk123 , its not to bad of a job ,my advice to you is ohm out the knock sensors with a multimeter just so you don't have to go back and replace any of them about 3 or 4 days later this truck threw a bank 1 knock sensor code and I had to go back and replace the knock sensor.
@@happybleeding thanks again for the videos and advice!
Can you share part number for harness please
Did you need to drain any coolant during this? Thank you for this video!
no you dont need to drain the coolant , I believe there is a couple coolant hoses on the intake just need to elevate them so it dosent spill everywhere, but its a totally doable job , there are a couple wiring harness connectors that can be kind of a pain but other than that its about a 2 hour job.
thanks for watching !
Do you have any after market suppliers you recommend for both the sensors and the harness? Thanks.
Are the 2 sensor the same, or they have different parts number
great job my brotha my brother in law called me and said his shit was doing the same thing i saw your video took his shit apart and sure enough the rats were having a damn wire chewing festival
Just got these codes on my 13 tundra.
its the knock sensor harness ,there are a couple companies on eBay that sell the complete harness.
Thanks👍
Are the knock sensors all the same? I have an intermittent problem with one sensor, just wondering if they're the same.
yeah I believe they are
Thanks Brother.
I am having trouble after replacing the 2 sensors and connecting them with a new sub harness finding the end where it connects into the truck. I've followed the wire into a small black box that's connected to the starter. Where does it exit and connect in?
I have a 2005 Tundra SR5 crew cab
I believe there is a single connector on the black plastic box on one side if I remember correctly it should be the signal wire for the starter
@Happy & Bleeding thank you so much! I'll update on the end results. Appreciate it
If you dont mind me asking, what is that spray that you’re using on the bottom of the intake manifold, after you removed it?
brake cleaner
sorry but this rodent thing sent me on a wild goose chase.. i change the cable still and no luck .. sensor are impossible to reach without cutting pipes .. i read about the rodent/ mice thing .. everyone in the country except me has mice eating cables .. crazy .. any how thanks.
Mine had a knock but no codes ?? What did the truck sound like before you replaced this?
it sounded ok just had a check engine light
What all did you use to clean /put on intake manifold
brake cleaner
Is it in the same location on 2011 Tundra 4.6 L Engine? I just got the error code
they are on the top of the motor under the intake just like the 5.7, hope this helps
its a pretty straight forward job
Do you know the part number? mine sit at airports months... garage should have check your channel cause he said : «your intake was loose i retight it». what i understand, he overtight it... I redo it my self... i might have surprise from the mecanic who charged me few hundred for sh...
Hi where can I get a harness for. 2001 Toyota tundra v8
parts geek
Tacomas too
Is it the same harness on a 4.6 tundra 2011
no I believe they are different
@@happybleeding where is it located?
Did you find it?
It only took me 2 hours to complete.
Not difficult at all.
Whats up Bradley ,
yeah not to bad ,
The tundra v8 is a really good engine, and not that difficult to work on ,
some of the inline 6 cylinders you have to remove the entire intake just to get to the spark plugs.
People dont bother to say the year,its a tundra?
Tundra knock sensor harness* replacement not knock sensor 😉
Chingon brother
Super Chingon!!!!
All that time and effort and you didnt fix the water leak!?
Soy instead of petroleum wireing
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