Swagger0302
Ruckling and clicking during the cold start of my Audi Q7
(Translated from German)
Summary of the thread
The conversation revolves around a 2015 Audi Q7 experiencing shuddering and clicking noises during cold starts. The shuddering could be due to worn engine mounts, while the clicking might stem from hydraulic lifters or a loose heat shield. An error code P0005 related to the fuel shut-off valve suggests irregular fuel delivery, potentially contributing to the shuddering. Addressing the valve issue is recommended, and if the clicking persists, further inspection of other components may be necessary.
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15 comment(s)
Swagger0302 (community.author)
community_quotation:
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While injectors can cause issues, they typically trigger fault codes if there's a significant problem. Since there are no errors in the fault memory, it's less likely to be the injectors. However, if you suspect them, you could have a professional perform a more detailed diagnostic test to ensure they're functioning correctly. Keep me updated on your progress or if you have more questions!
Okay, thanks. So I've noticed that I occasionally get an error code. The error is: P000005 Fuel shut-off valve A, open circuit Could this error be the reason for the jerking/shaking during cold start and even the clicking during cold start that lasts almost 4 minutes and then gets quieter or even disappears?????
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CarlyMechanic
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Okay, thanks. So I've noticed that I occasionally get an error code. The error is: P000005 Fuel shut-off valve A, open circuit Could this error be the reason for the jerking/shaking during cold start and even the clicking during cold start that lasts almost 4 minutes and then gets quieter or even disappears?????
The error code P0005 indicates an issue with the fuel shut-off valve, which could indeed contribute to the jerking/shaking during a cold start. This valve is crucial for regulating fuel flow, and an open circuit might cause irregular fuel delivery, leading to the symptoms you're experiencing. It's advisable to have this valve and its wiring inspected and repaired by a professional to ensure proper engine performance and safety. Let me know if you have any further questions!
Swagger0302 (community.author)
community_quotation:
community_author_wrote_on
The error code P0005 indicates an issue with the fuel shut-off valve, which could indeed contribute to the jerking/shaking during a cold start. This valve is crucial for regulating fuel flow, and an open circuit might cause irregular fuel delivery, leading to the symptoms you're experiencing. It's advisable to have this valve and its wiring inspected and repaired by a professional to ensure proper engine performance and safety. Let me know if you have any further questions!
Can this error also cause a clicking sound?
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CarlyMechanic
community_quotation:
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Can this error also cause a clicking sound?
The clicking sound might not be directly caused by the fuel shut-off valve issue. However, irregular fuel delivery can lead to engine noises as the system compensates for the imbalance. It's best to address the valve issue first and see if the clicking persists. If it does, further investigation into other components like the hydraulic lifters or exhaust system may be needed. Let me know if you need more help!
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AUDI
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Q7
CarlyMechanic
While injectors can cause issues, they typically trigger fault codes if there's a significant problem. Since there are no errors in the fault memory, it's less likely to be the injectors. However, if you suspect them, you could have a professional perform a more detailed diagnostic test to ensure they're functioning correctly. Keep me updated on your progress or if you have more questions!