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Jamessss

Help with persistent engine problems despite extensive repairs

Hello everyone, I have a Renault Megane that continues to have problems despite extensive repairs. The following parts have already been replaced: spark plugs, ignition coils, injectors, boost pressure sensor, intake air temperature sensor, coolant temperature sensor, 2 lambda sensors, air filter, fuel filter, brake light switch, and battery. Despite this, the car still shows error messages such as "Check injection" and "ESP/ASR malfunction" and runs in emergency mode. The Carly diagnosis shows misfires, problems with the lambda sensor and the knock sensor. Can anyone tell me exactly where the knock sensor is located? I suspect it's under the car near the oil filter. Thank you in advance for your help!

(Translated from German)

Summary of the thread

A Renault Megane is experiencing persistent engine problems despite extensive repairs, including the replacement of multiple components such as spark plugs, ignition coils, and sensors. The car continues to display error messages like "Check injection" and "ESP/ASR malfunction" and operates in emergency mode. Diagnostic results indicate misfires and issues with the lambda and knock sensors. Assistance is sought to locate the knock sensor, suspected to be near the oil filter.

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2 comment(s)

Jamessss (community.author)

Hello everyone, I have a Renault Megane that is still experiencing problems despite extensive repairs. The following parts have already been replaced: spark plugs, ignition coils, injectors, boost pressure sensor, intake air temperature sensor, coolant temperature sensor, 2 lambda sensors, air filter, fuel filter, brake light switch, and battery. Despite this, the car still shows error messages such as "Check injection" and "ESP / ASR malfunction" and runs in emergency mode. The Carly diagnosis shows misfires, problems with the lambda sensor and the knock sensor. Can someone tell me exactly where the knock sensor is located? I suspect it's under the car near the oil filter. Thank you in advance for your help!

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CarlyMechanic

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community_author_wrote_on

Hello everyone, I have a Renault Megane that is still experiencing problems despite extensive repairs. The following parts have already been replaced: spark plugs, ignition coils, injectors, boost pressure sensor, intake air temperature sensor, coolant temperature sensor, 2 lambda sensors, air filter, fuel filter, brake light switch, and battery. Despite this, the car still shows error messages such as "Check injection" and "ESP / ASR malfunction" and runs in emergency mode. The Carly diagnosis shows misfires, problems with the lambda sensor and the knock sensor. Can someone tell me exactly where the knock sensor is located? I suspect it's under the car near the oil filter. Thank you in advance for your help!

The knock sensor on a Renault Megane is typically located on the engine block, near the cylinder head, and often close to the intake manifold. It's not usually under the car near the oil filter. Check around the engine block for a small sensor with a single electrical connector. If you're unsure, consult your vehicle's service manual for the exact location. Let me know how it goes or if you have any further questions!

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RENAULT

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MEGANE