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Old 07-21-2014, 05:23 PM   #1
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Default Electronic Throttle Control Light

service light came on, so i took it to the shop and the guy gave me a bottle of carb cleaner spray. then told me to take off the intake hose and clean the butterfly valve. he didnt even hook a computer up to the truck to see what codes there were. so i sprayed and cleaned and the light still comes on after driving for awhile (like it has been doing) the mechanic said if the light comes back on to just buy a new throttle body, which cost $700. but i found i can buy the sensor for $100, how do you know if the sensor needs replacing. i am also considering take out the throttle body & cleaning it with THROTTLE BODY SPRAY and replacing the gasket. hopefully that will fix the problem. but i really dont want to spend $700. this happened because i forgot to change the air filter. can i just clean the throttle body really good and not even replace the sensor?
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Old 07-25-2014, 12:42 PM   #2
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Okay, your truck has the honor of having a self contained throttle body. The IACV is actually built into the throttle body - which is what would've gotten blocked up from not changing the air filter. The TPS (I'm assuming that's the sensor you're mentioning), could be bad but I doubt it since you didn't mention any of the symptoms, but you could always pull it off and check the ohms. If you're getting a reading out of range, then it's bad.

Before you go dropping $700 on a new throttle body, try pulling the one you have and giving it a good scrubbing, especially in the ports that lead into the housing for the black box.

I wouldn't use straight up carb cleaner on yours though, I'd be afraid of jacking it up. I'd grab a can of mass airflow cleaner or something non-conductive. clean it out and let it dry.
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Old 09-06-2014, 12:44 AM   #3
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To scrub it, I would need a new gasket right?
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Old 09-06-2014, 12:44 AM
 
 
 
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