Stock Problems/Issues Discussions related to warranty related issues and repairs, or other problems with the OEM parts and software for MINI Clubman (R55), Cooper and Cooper S(R56), and Cabrio (R57).

Can’t Solve Misfire Issue

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Old Dec 23, 2024 | 06:20 PM
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Etmil35
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Can’t Solve Misfire Issue

2008 S. I’m tearing my hair out. I have lumpy running and the engine bogs after revving. The only codes I have are misfires on all four cylinders. The car has a lot of new parts. New HPFP, timing chain, water pump, thermostat, new injectors, spark plugs, coils, oxygen sensors, vanos solenoid. Any suggestions?
 
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Old Dec 24, 2024 | 09:29 AM
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ECSTuning
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Unmetered air coming in? Crack in intake manifold?

https://www.northamericanmotoring.co...ody-codes.html



Main wire harness ground loose?

https://www.northamericanmotoring.co...lve-cover.html

R56 Car not starting after changing valve cover - North American Motoring

 
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Old Dec 24, 2024 | 09:43 AM
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Thanks ECS. I’ll check the ground. I had smoke tested the car a couple of months ago, but I will have to try that again. Where the best place to connect for a good smoke test?

Originally Posted by ECSTuning
Unmetered air coming in? Crack in intake manifold?

https://www.northamericanmotoring.co...ody-codes.html



Main wire harness ground loose?

https://www.northamericanmotoring.co...lve-cover.html

R56 Car not starting after changing valve cover - North American Motoring
 
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Old Dec 26, 2024 | 07:26 AM
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Hello, intake port locations.

https://www.northamericanmotoring.co...leaks-r56.html
 
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