Mitsubishi Outlander throttle response lag issue on Mitsubishi Outlander

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Mitsubishi Outlander owners report experiencing throttle response lag, which may be attributed to a variety of issues. Common symptoms of a faulty throttle body include poor engine performance, dirt buildup, an illuminated check engine light, and erratic idling. Additionally, slow acceleration can occur due to factors such as a clogged air filter, dirty mass airflow sensor, clogged fuel filter, fuel pump malfunction, faulty oxygen sensor, dirty throttle body, worn spark plugs, or a clogged catalytic converter. To mitigate these problems, owners may need to clean or replace the throttle body, inspect and replace the air filter, MAF sensor, fuel filter, and oxygen sensor, ensure spark plugs are functioning properly, and verify the catalytic converter is clear of blockages. Furthermore, leaks in the air intake system can exacerbate throttle response issues, potentially causing erratic performance and black smoke from the exhaust. It is crucial for owners to address these concerns promptly to maintain optimal vehicle performance.

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