2002 Highlander -- How to fix sticky gas pedal? - Toyota Nation Forum : Toyota Car and Truck Forums
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#1 Old 03-18-2012, 12:29 AM
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2002 Highlander -- How to fix sticky gas pedal?

I checked Toyota website for recall and my car is not in the list. Problem I am facing is, gas pedal gets stuck when I stop at light. I have to push it hard and once it's unstuck then it works fine. But whenever I stop then only I have this problem. Can you guys please help? I sprayed WD40 but no luck.


Thanks in Advance
Sandy
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#2 Old 03-21-2012, 02:04 PM
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I have a 2000 Avalon that I just got back from the repair shop(not Toyota) for unrelated problem. It is hard to depress only after a complete stop, just like your Highlander. I don't know a solution but will check back at this forum for help
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#3 Old 03-23-2012, 12:56 AM
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#4 Old 04-05-2012, 01:33 PM
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Sticking Accelerator Pedal

I have had this issue on almost all my Toyotas at one time or another. Had dealer clean the throttle body and problem always went away. Cost was approx $90.00
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#5 Old 04-05-2012, 09:06 PM
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throttle

Not sure when the HL came out with a "fly-by-wire" throttle system, but I know my 05 has it. Those fly-by systems should never have a gas pedal affected by throttle body carbon buildup because an electronic servo motor opens and closes the throttle valve. The gas pedal is kinda a variable resistor that sends an electrical value to the servo, so the throttle valve is not actuated by a mechanical linkage. But throttle body cleaning should also be done on the fly-bys, although there can be some issues with the calibration (in degrees) of throttle opening. Not sure of that procedure, as I have not done it yet on my 52k miles 05. Warning - I also know that one should use a cleaner that is stated as being safe for coated throttle bodies. There have been some isues of some cleaners eroding the coated walls of the throttle valve, causing a rough finish that gets dirty much quicker.
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#6 Old 04-05-2012, 10:49 PM
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Sticky gas pedal

Iqueral
My reply for Bluesky4now was in regard to a 2002 Highlander as is the vehicle that was referenced. I gave that advise from personal experience for I too have a 2002 Highlander V6 and had the throttlebody cleaned within the last 3 months for the same problem. I can almost guarantee that this will cure his or her problem for this vehicle or any other Toyota before the fly-by-wire system was incorpoated. I have no idea if it will have an effect on a fly-by-wire system. It has worked for me on a 1985 Camry, 1986 Camry, 2001 Solara, and 2002 Highlander, all pre fly-by-wires.
Will be anxious to hear the outcome.
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#7 Old 04-06-2012, 09:00 PM
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[QUOTE=airmech1953;3822629]Iqueral
My reply for Bluesky4now was in regard to a 2002 Highlander as is the vehicle

>Yeah, airmech, I hadn't caught the year of the HL in question. I think the electronic throttle came in with the 3.3L V6 (2004??).

incorpoated. I have no idea if it will have an effect on a fly-by-wire system. It has worked for me on a 1985 Camry, 1986 Camry, 2001 Solara, and 2002 Highlander, all pre fly-by-wires.

> But as I said, throttle body cleaning is important for EVERY car, manual throttle or electronic. Usually a dirty throttle body shows up as a rough idle, but I could see a dirty unit affecting gas pedal feel on a mechanical linkage throttle. Absolutely. Yeah, we'll see what we hear back.
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#8 Old 04-07-2012, 11:04 PM
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Drive by wire for Highlanders started with 2004 model year.
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#9 Old 09-02-2012, 03:23 AM
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throttle body clean

Save your money on a throttle body service
Get a can of spray carb cleaner and an old tooth brush. Take the air cleaner hose off of the throttle body Get a flashlight to see good. Hold the throttle open and spray carb cleaner inside and scrub with the toothbrush. Wipe it out with a clean rag when the dirt is gone. it.s called sludge and I know it works because I did it on an 02 highlander as well as a 01 camry
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#10 Old 09-11-2012, 08:58 PM
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Quote:
Originally Posted by melnric View Post
Save your money on a throttle body service
Get a can of spray carb cleaner and an old tooth brush. Take the air cleaner hose off of the throttle body Get a flashlight to see good. Hold the throttle open and spray carb cleaner inside and scrub with the toothbrush. Wipe it out with a clean rag when the dirt is gone. it.s called sludge and I know it works because I did it on an 02 highlander as well as a 01 camry
DO NOT USE Carb cleaner to do this job.....use throttle body cleaner.(http://www.autozone.com/autozone/acc...ier=55922_0_0_)
Regular old carb cleaner is somewhat harsh, and it can remove the protective metal coating on the TB itself.


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