Codes P0016, P0113, P0123, P2135, Vibration, rev high, tapping sound from the right bank?

Tiny
DAVID DAVO ESSIEN
  • MEMBER
  • 2006 TOYOTA 4RUNNER
  • 4.0L
  • V6
  • TURBO
  • 4WD
  • AUTOMATIC
  • 108,497 MILES
On Saturday 16/7/2022 about 5:00pm a client called me to his abode. When I got there he told me that he observed when he was about to drive into his compound that oil was leaking in his car. Although, it took me some minutes to troubleshoot the problem because the oil spattered excessively to many of the accessories of the car like alternator, power steering pump, fan belt, TPS, A/C compressor, etc. I searched for the leak and finally saw what was causing it. I noticed that it was because of the CKP oil seal at the pulley side/front of engine. It was late hence auto parts store closed that was why I didn't replace the seal that day but encouraged them not to drive the car until I replaced the seal.
On Monday 18/7/2022 I changed the seal and the leaking stopped and the idled fine, but I only observed that few minutes to avoid catastrophic outcome to the engine because the engine oil level was low. After the replacement of the seal the fan belt cutoff, and I replaced it as well.
They didn't drive the car until Tuesday when they went to the replace the oil. But before they moved, they called and said that the whole car was vibrating. I was unable to reach out to them so I told them I will meet them on Wednesday 20/7/2022. I got there yesterday as promised and noticed a severe vibration at idle which wasn't there when I left on Monday.
I scanned the car and retrieved some codes that I will upload. Among those codes, I was particularly focused on the P0016, P0113, P0123, and P2135 although I verified the ignition codes and saw that it fired very fine.
As a result, I cleaned the CMP sensor of the 2 banks and installed them back but to no prevail, I still noticed a vibration. I pulled the CMP sensor again within 2 minutes of idling and noticed that it was dirty again. This time I had to pull VVTI solenoid valve of both banks alongside the CMP sensor and cleaned them. In addition, I used a very clean dry cloth and insert into the CMP sensor hole to properly clean the inside of the engine. In the process, I also noticed that the injection head where the TPS sensor is tightened was very dirty as when a carbon and oil are mixed together so I cleaned that too using a tooth brush.
Finally, when I put everything back to it's respective places the idle was very nice because the car didn't vibrate again!
However, there is a problem that I want you to help me out with. It's a high rev in RPM to about 1.4 at idle. I Before I left there yesterday I scanned the car again and found only the P0123 and P2135. Please note that this two codes appeared only after cleaning the CMP sensor, VVT solenoid valve and the injection head. It didn't appear before the cleaning of those accessories.
When I started the car, it revved high from about 1.25 to 1.4 RPM and remained there. The RPM doesn't go up and down. When I accelerated the car, it rev very fine. I also noticed that the TPS connector was slightly broken, it didn't fit in very well and didn't hear a snap sound when connected to the TPS module. But whenever I pulled the TPS connector completely out when the car was idling there was a great reduction in RPM as if the car wants to stall so I immediately connect it back slightly and noticed that the RPM goes down and remains at 1,000 RPMs. The car owner even noticed the reduction in RPM, stood up and moved to me and said that that's the way the car should idle. But if is still connected at that place and switch off the car it idles to 1.4 RPM and remains there until I repeat the unplugging of the TPS connector process.
I tested the connector with my test light and noticed 2 ground out of the 6pins (one of the ground was very dim the other was bright) at the pin connector that illuminated the dim light when tester was at battery positive. I also noticed a dim light when I checked for current with my test light now hooked up to ground and ignition switch activated to "on" position.

Please help me, how do I permanently solve this car problem?
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Thursday, July 21st, 2022 AT 3:00 AM

11 Replies

Tiny
KEN L
  • ADMIN
So, is the engine quiet now when full of oil? Can you please shoot a quick video with your phone so I can hear the noise? That way I can tell for sure what's going on. You can upload it here with your response. If the timing chain guide is broken that will cause these issues. Please clear the codes and then without starting the engine leave the key on and run the codes, this should give us the hard codes we need to fix. It does sound like the TPS sensor is bad or the connector is broken and not connecting so please look at that as well. Here is how to change out the TPS sensor which is inside the throttle bore in the diagrams below. Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Thursday, July 21st, 2022 AT 1:49 PM
Tiny
DAVID DAVO ESSIEN
  • MEMBER
Presently the condition for the TPS connector is worse than this.
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Thursday, July 21st, 2022 AT 2:10 PM
Tiny
DAVID DAVO ESSIEN
  • MEMBER
The tapping sound didn't stop. It seems it's from the valves or the timing chain because the oil was low and dirty. Well, that's just an assumption because I didn't lose the valve cover to verify my troubleshooting.
In addition, please how can I test the TPS sensor for that car and verify that it is really not faulty?
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Thursday, July 21st, 2022 AT 3:00 PM
Tiny
KEN L
  • ADMIN
Thanks for the videos. It does sound like the timing chain guides have let go. I would remove the valve covers to confirm the lack of chain tension. Let me know and I can give you instructions on how to replace the timing chain and guides.
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Friday, July 22nd, 2022 AT 2:23 PM
Tiny
DAVID DAVO ESSIEN
  • MEMBER
Yes I need your assistance!
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Monday, July 25th, 2022 AT 8:15 AM
Tiny
DAVID DAVO ESSIEN
  • MEMBER
Please If perhaps I pull off the cover aside from the timing chain and tensioner, what else should I anticipate to be faulty that I should fix?
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Monday, July 25th, 2022 AT 8:30 AM
Tiny
KEN L
  • ADMIN
Thanks for the videos :) When you remove the timing chain cover you will notice the timing chain being very lose, this will cause damage to the timing cover case. You will need to replace the chain, tensioner and guides. Here are the instructions on how to change the timing chain and guides out in the diagrams below.
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Monday, July 25th, 2022 AT 2:18 PM
Tiny
DAVID DAVO ESSIEN
  • MEMBER
With God's support I was able to fix the high idling condition that the client was worried about!

However, for the tapping sound he has promised to call me to fix that.
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Tuesday, July 26th, 2022 AT 3:15 PM
Tiny
KEN L
  • ADMIN
How did you fix the high idle problem?
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Wednesday, July 27th, 2022 AT 12:45 PM
Tiny
DAVID DAVO ESSIEN
  • MEMBER
I sprayed carburetor cleaner to the TPS sensor and butterfly of the throttle body again. I wiggled it back and forth severally. I also tapped on the TPS sensor when the car was idling.
I loosened the car negative battery terminal and waited few minutes and then connected it back. I also unplugged the TPS connector then cranked the car twice knowing it wouldn't start and idle. I connected the connector back.
I cleared the codes and cranked the engine everything was okay again with God's support!
The car owner was very happy!
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Thursday, July 28th, 2022 AT 4:04 AM
Tiny
KEN L
  • ADMIN
Good to hear, please use 2CarPros anytime we are here to help.
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Thursday, July 28th, 2022 AT 10:16 AM

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