mariostar1
Seat Formentor gasoline engine issue
Summary of the thread
A 2022 Seat Formentor with a gasoline engine was experiencing higher fuel consumption and poor starting, suspected to be due to a defective throttle valve. The conversation explored whether a defective accelerator pedal module could cause these symptoms. It was suggested to inspect the throttle body and throttle position sensor, but ultimately, a workshop confirmed and replaced the defective accelerator pedal module, resolving the issue.
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4 comment(s)
mariostar1 (community.author)
The throttle body hasn't been inspected yet. Is throttle cleaning something I can do myself, or does it require specialized tools or knowledge? Also, where exactly is the throttle position sensor located?
manfredstorm78
Throttle cleaning is possible DIY, but requires care to avoid damaging the throttle body. Plenty of guides online demonstrate the process. However, given the symptoms and your initial suspicion, it is advisable to take it to a workshop. A diagnostic scan might reveal fault codes pointing directly to the accelerator pedal module. It is very likely the cause.
mariostar1 (community.author)
The Seat workshop confirmed the defective accelerator pedal module. They replaced it, and the total repair cost was 205€. Thanks for your assistance!
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manfredstorm78
High fuel consumption and poor starting on a gasoline engine often points to issues in the air intake or fuel delivery. Has the throttle body been inspected? A dirty or malfunctioning throttle body can significantly impact engine idle and overall performance. Consider checking the throttle position sensor as well, its readings influence fuel trim.