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Understood Yamehoo, thank you. If removing the unit is easy enough, then will remove the throttle body entirely from the location to perform the cleaning service. Any additional details if replacing the gasket as well, or is it simple as removing the existing gasket and replacing with new gasket?
It appeared removal / installation of the gasket was a simple procedure, but didn't want to overlook something.that may have been unique to this particular procedure during the process. Again thank you Yamehoo!
Also, hadn't known Toyota produced a throttle plate cleaner as well; TOYOTA Genuine Toyota Fluid 00289-1TP00 Throttle Plate Cleaner - 14 oz. Can
Any ingredients to consider being included / beneficial prior to purchasing CRC Throttle Body & Air intake cleaner vs.TOYOTA Genuine Toyota Fluid 00289-1TP00 Throttle Plate Cleaner?
Noticed when vehicle ECT switch is set to POWER mode, and when throttle is tapped while rolling forward, engine revs and stays revved for a moment, when the accelerator is not pressed, before returning to normal ideal.
I understand setting ECT switch set to POWER increases the RPMs however, feels as though something is sticking. Is this normal operation, or perhaps issue due to throttle body (dirty), TPS sensor becoming faulty, etc.
Vehicle has satisfied the past recall for valves.
Putting the ect mode in power makes the throttle response more aggressive and changes the transmission to be biased to be in a lower gear. I haven't seen your car and what it is doing, but it sounds like normal behavior for that mode.
I personally always drive my car in the normal position. The car doesn't actually make more power and I am not fond of the jerkiness from the power mode.. I could see where someone would use power when tracking the car to avoid extra shifts.
Usually keep vehicle out of POWER mode as well, and not experienced with how engine "normally" operates when POWER mode is engaged. Just thought it not normal when the accelerator is tapped and engine revs and " hangs on to the high RPMs", after the accelerator / pedal is released. Seems somewhat of a delayed response.
I'll be performing the cleaning service for the throttle body with it removed as previously suggested, using of CRC Throttle Body & Air intake cleaner. Will see if perhaps it remedies the condition or just may be the way engine behaves when in POWER mode as you stated. Thank you for the follow up!
Located additional discussion about removing throttle body to perform the cleaning service here (overlooked on initial search).Also states to torque throttle body bolts to 7 ft. lbs. (see diagram below).
I'm not sure if you already did this or not, but it is safe to manually open TB for cleaning when the ignition is off. Do not wedge it open with anything solid as its a soft material and it can be damaged. Only use a rag or maybe some firm foam to hold it open. Be warned that blade is pretty sharp.
I'm not sure if you already did this or not, but it is safe to manually open TB for cleaning when the ignition is off. Do not wedge it open with anything solid as its a soft material and it can be damaged. Only use a rag or maybe some firm foam to hold it open. Be warned that blade is pretty sharp.
Another Is you can actually pull it out further, and rest it on its front side. The bypass coolant hose is pretty long. This helps when letting the cleaner soak on the backside. Afterwards just guide the bypass back in once bolting up the TB.
Another Is you can actually pull it out further, and rest it on its front side. The bypass coolant hose is pretty long. This helps when letting the cleaner soak on the backside. Afterwards just guide the bypass back in once bolting up the TB.
Ya I pulled mine off to clean from both sides. Plenty of hose for that! True!
A public FYI - each time the engine is shut off, the cylinders with open intake valves allow combustion gasses to enter the intake. More short drives equals more goop behind the TB throughout the intake. Of course through the PCV system, crankcase vapor is getting in the in intake tube and MAF.
I'd rather perform the cleaning service with the bypass coolant hose still attached and only the throttle body removed (after removing the four 10mm bolts and the one electrical connector). Should have enough space to access both front and rear of the throttle plate. If it's needed, would slowly opening the throttle plate slightly to access the inside throttle housing where the throttle plate attaches, cause an issue with the throttle body disconnected from electrical connector?
Ya I pulled mine off to clean from both sides. Plenty of hose for that! True!
A public FYI - each time the engine is shut off, the cylinders with open intake valves allow combustion gasses to enter the intake. More short drives equals more goop behind the TB throughout the intake. Of course through the PCV system, crankcase vapor is getting in the in intake tube and MAF.
I understand it probably best to remove the negative battery cable while performing the cleaning however, interested if you performed the cleaning without removing any cables.
With power ON and engine off / not running, if the pedal is pressed, should the throttle plates move, or, are the throttle plates only responsive when the vehicle is running (which would eliminate using a Throttle Pedal Depressor like the Lisle 48700, to keep pedal down and throttle plates opened).
03-07-24, 05:47 PM
