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What Causes a Car to Fail to Accelerate?

1 Answers

LaBenjamin

07/29/25 8:23am

Reasons why a car fails to accelerate: intake system malfunction; ECU failure; engine management system failure, etc. Below is a detailed explanation of these causes: Intake system malfunction: Such as leaks or blockages. Troubleshooting the intake system, using compliant fuel, cleaning the throttle body, etc. Engine management system failure: This condition is often accompanied by unstable idling and engine shaking during cold starts. It is mostly caused by the quality of domestic fuel and a dirty driving environment. In such cases, the vehicle should be immediately taken to a repair shop for inspection and servicing. ECU failure: Rewriting the ECU-related data, this method is used when other faults have been resolved but the issue persists.

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