Please Help with 2005 CAMRY LE

[akkua123]

Hi

I am a newbee in this forum.I bought a 2005 CAMRY from a delear before 4 months when it was 37,222 Miles from a TOYOTA Dealer. Before 3 weeks I felt that I am applying more gas for accelaration than normal from a STOP position.I thought it was because of Oil and I went to another TOYOTA service centre and did an Oil change .But I still have the issue persists .The car is now on 39,634Miles.If some one can guide me how to proceed.

Thanks in advance

Veetil

[gdanaher]

I assume you have an I4 engine. If you have no service records on this car, I would remove the valve cover and look for sludging on the valve train, and make >>absolutely certain<< that the passage which connects to the PVC valve is clear and open. In my experience, excessive sludge will cause the engine to lose power by clogging the pvc passage and forcing oil into the cylinders, and not knowing the engine's history, this is a good point to start.

[akkua123]

Thank you gdanaher for your quick response.Yes ..mine is a V4 Engine and I dont have any service records of the vehicle and I am very sorry to say I dont know much about AUTOMOTIVE MECHANISM... If it is something related to computers or network I can handle.Is it a good option to take it to the same dealer as the vehicle is still under warranty/I bought extended warrany also

[TRD VVTi]

I doubt that sludge would cause a sudden change in the operation of your I4 (inline 4 cylinder) engine.

If the check engine light isn't on and there aren't any other indications that there is actually a problem, there probably isn't.

You vehicle is adaptive also. It does adjust to your driving habits. You could try removing the battery ground cable for a few minutes and then reattach it. The cars computer will be reset and will clear the adaptive memory and you'll start fresh. Maybe there is a conflict between your driving style and the previous owner's driving style.

[Gellenole]

Originally Posted by TRD VVTi

You vehicle is adaptive also. It does adjust to your driving habits. You could try removing the battery ground cable for a few minutes and then reattach it. The cars computer will be reset and will clear the adaptive memory and you'll start fresh. Maybe there is a conflict between your driving style and the previous owner's driving style.

just wondering, do we have a list of camry's that are adaptive? I wanted to know -- my car drives almost differently now since I swapped batteries out ? thanks!

[TRD VVTi]

Originally Posted by Gellenole

just wondering, do we have a list of camry's that are adaptive? I wanted to know -- my car drives almost differently now since I swapped batteries out ? thanks!

Basically from '96 on up has some sort of adaptive capability. Because of the OBDII emissions demands cars had to adapt to componants degrading and keep the car functioning properly without setting the MIL (check engine light).

I'm not sure in what years the amounts of the adaptive features were enhancing other things such as transmission shift points, pressures, etc. It's been many years though.

[gdanaher]

TRD, fwiw, my solution/suggestion came from personal experience with a '99 which had exhibited sludging. The primary problem was that the venting inside the valve cover became clogged and from there it was all down hill. PVC valve was just fine and exhibited no crud at all. Once I was able to blow out the clog in the cover, things began to improve. Never had an engine light come on during the entire process, but most assuredly the power fell off to the point I didn't know if it was going to make some hills.

[TRD VVTi]

Originally Posted by gdanaher

TRD, fwiw, my solution/suggestion came from personal experience with a '99 which had exhibited sludging. The primary problem was that the venting inside the valve cover became clogged and from there it was all down hill. PVC valve was just fine and exhibited no crud at all. Once I was able to blow out the clog in the cover, things began to improve. Never had an engine light come on during the entire process, but most assuredly the power fell off to the point I didn't know if it was going to make some hills.

I didn't doubt your particular experience.

I'm just saying that I doubt the engine would suddenly lose power the way it was described due to sludge or gel with the information provided. Usually it's a gradual performance lose. A change in performance after 2,000 miles isn't likely. The car probably had a fresh oil change when purchased, which helps me to exclude your theory.

Gelling or sludge doesn't usually cause the MIL to illuminate either, I already know that. I was referring to other possible driveability problems.

Throwing out ideas is the name of the game. I was just sharing my opinion.

[gdanaher]

My problem occurred in the same mileage range btw. Anyway, without a MIL it is hard to diagnose without more information, and since the guy hasn't had it long enough to know all of the quirks, this is a challenge.
-very low tire pressure
-brake pads dragging excessively
-trunk full of junk that weighs it down
-dirty air filter
-dirty throttle body
-butterfly valve gummed up and sticking
-heavy on the carbon in cylinders

Try some RXP which is supposed to break up carbon deposits and improve emissions.

-catalytic converter clogged?
-any kind of back pressure will kill horsepower.

[akkua123]

Mine is a clean car and I try to keep very clean.I am going to take all you experienced guys sugession and monitor all the parts you told. thanks 'gdanaher' and 'TRD VVTi'