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How to replace throttle body?

Tiny
BENIBAN
  • MEMBER
  • 2008 SUZUKI FORENZA
  • 60,000 MILES
I have a 2008 Suzuki forenza, my check engine light is on. The car jerks when I go about 50-70mph and during start up and sometimes stalls. I took my car to autozone and they said that my throttle position sensor is bad. I called the dealer and he said I would have to change out the entire Throttle Body, which parts and labor would be about 750 dollars. Auto zone sells the Sensor for about 65 dollars. So my question is can I go this route or do I have to change out the entire throttle body. If I can change out the sensor, where can I find the sensor on the throttle body and how do I replace it.
Thank you very much for any help.
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Wednesday, June 13th, 2012 AT 8:41 PM

16 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Hello,

This car has a drive by wire throttle body so you cannot replace the TPS sensor separately IDK why autozone lists one, they shouldn't. I would try to service the unit before replacement here is a guide to help you see how. Start by disconnecting your battery.

https://www.2carpros.com/articles/throttle-actuator-service

Please run down this guide and report back.
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Wednesday, June 13th, 2012 AT 8:51 PM
Tiny
BENIBAN
  • MEMBER
  • 2 POSTS
Thank you for the information, I did what you said and cleared the codes! Bam worked perfect you guys are the best!
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Wednesday, June 13th, 2012 AT 10:49 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Your welcome thats what were here for.
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Wednesday, June 13th, 2012 AT 10:59 PM
Tiny
ELIZABETHKREILEY
  • MEMBER
  • 1 POST
I have the same issue as do many with check engine light on and the codes that come up are the tps and gas pedal position sensor. Many have had the dealership fix the "problem" and still have issues sometimes worse after fixing it. There is no recalls on this car, I have less than 50,000 miles on mine. Any suggestions on what it could be? I don't want to take it to the dealership because they have already tried ripping me off so many other times. Two years ago my air bag light wouldn't go off in passenger seat and they said I needed a new battery, went with my gut and didn't replace it and guess what. The battery is still going just fine.
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Friday, February 15th, 2013 AT 4:04 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
If you get a scan tool that can read live tps and pedal position data and a multi meter we can do some testing.
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Saturday, February 16th, 2013 AT 5:24 AM
Tiny
PAU86
  • MEMBER
  • 2 POSTS
Hi,
I have the same problem with my car, I would like you to know the throttle body service fixed my car too :)
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Tuesday, October 28th, 2014 AT 10:12 AM
Tiny
YVONDOLYN PERSLEY
  • MEMBER
  • 1 POST
  • 2006 SUZUKI FORENZA
  • 140,000 MILES
I have replaced the throttle body on my car and now it will not start. Does it need to be calibrated and is that something I can do my self?
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Saturday, December 22nd, 2018 AT 12:00 PM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Make sure all throttle body is correct and if the throttle position sensor is the the same and plugged in, check for codes as well, there is no set up or calibrations required.
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Saturday, December 22nd, 2018 AT 12:00 PM (Merged)
Tiny
PAU86
  • MEMBER
  • 2 POSTS
  • 2008 SUZUKI FORENZA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 126,000 MILES
I have a problem with my car, the throttle body position sensor and now another problem appear misfire and my engine is leaking oil. I would like any advice about where I can find the part for my throttle body position sensor please.
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Saturday, December 22nd, 2018 AT 12:01 PM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That is most likely an electronic throttle system and the TPS is likely not serviceable separately. You may have to buy a whole throttle body.
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Saturday, December 22nd, 2018 AT 12:01 PM (Merged)
Tiny
JASON COHORN
  • MEMBER
  • 1 POST
  • 2008 SUZUKI FORENZA
  • 2.0L
  • 62,000 MILES
How do you program a tps on a 2008 Suzuki Forenza with a 2.0 l motor
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Saturday, December 22nd, 2018 AT 12:01 PM (Merged)
Tiny
STEVE W.
  • MECHANIC
  • 13,556 POSTS
You need a professional scan tool to do a throttle relearn. Here is the tool you need shown in the video

https://youtu.be/InIlnsjOVFA
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Saturday, December 22nd, 2018 AT 12:01 PM (Merged)
Tiny
SYD6FT
  • MEMBER
  • 1 POST
  • 2006 SUZUKI FORENZA
  • 120,800 MILES
All gears light up overlapping in the led next to the odometer. The car****** hard while in motion and the rpms rev up but the car moves like a turtle and occasionally (if moving out of park) the car won't go into gear without a hard*****. Transmition replaced at 36000 miles. Computer reads the check engine light as a TPS problem but do I have to purchase the whole throttle body or just the sensor?
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Saturday, December 22nd, 2018 AT 12:01 PM (Merged)
Tiny
DRCRANKNWRENCH
  • MECHANIC
  • 3,380 POSTS
There were not any specific instructions for removal of the TP Sensor. They are usually just an electrical connection and three screws that hold them on. Sometimes they are held on with rivets and you may have to drill them out. I found a diagram I am attaching showing its locations and it is an easily accesible place, so it should not be hard to do.
Image (Click to make bigger)
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Saturday, December 22nd, 2018 AT 12:01 PM (Merged)
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
  • 2006 SUZUKI FORENZA
  • 95,000 MILES
Engine codes say that the throttle position sensor is bad. I have the new part, but I do not see this sensor on the throttle body. Is it hidden behind a cover?
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Saturday, December 22nd, 2018 AT 12:01 PM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
First, a code does not identify bad parts just failed systems.

What is the code?

It is on the throttle body.

Roy
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Saturday, December 22nd, 2018 AT 12:01 PM (Merged)

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