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noahkrause18

GT86 Poor Starting High Fuel Consumption

Hey, my 2014 Toyota GT86 with a gasoline engine is giving me headaches! It's got 123,589 km on the clock, and recently I've noticed it's drinking fuel like crazy. Also, it's starting really rough, almost like it doesn't want to fire up. I've been reading online, and some people are saying it might be the throttle valve. Could it be a defective accelerator pedal module? Any ideas?

Summary of the thread

A 2014 Toyota GT86 is experiencing poor starting and high fuel consumption. The initial suspicion is a defective throttle valve or accelerator pedal module. Suggestions include checking and cleaning the throttle body and inspecting the throttle position sensor. Ultimately, replacing the accelerator pedal module resolves the issue, restoring the car's performance.

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4 comment(s)

johnhuber17

Hey there! I had a similar issue with my GT86. Higher fuel consumption and poor starting are classic symptoms. Have you checked the throttle position sensor or given the throttle body a good cleaning? Might be worth investigating the air intake too, just to rule out any blockages.

noahkrause18 (community.author)

Thanks for the tip! So, did cleaning the throttle body solve the problem for you? Or did you have to replace the throttle position sensor? How can I check the throttle position sensor? Any advice on how to get to the throttle body? I'm not a mechanic, so I'm a bit nervous about messing things up!

johnhuber17

While cleaning the throttle body might help as a temporary fix, in my case, the root cause was indeed the accelerator pedal module. The symptoms kept returning until I replaced it. Considering your novice expertise, I'd strongly suggest taking it to a reputable workshop. They can properly diagnose the issue and replace the module. Messing with the control valve without proper knowledge can lead to bigger problems.

noahkrause18 (community.author)

Thanks a bunch for your help! I took your advice and went to a workshop. Turns out, you were right! It was the accelerator pedal module. They replaced it, and the car is running perfectly now. The final repair cost was 205€. Really appreciate the advice!

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TOYOTA

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GT86