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lupo not holding revs and cutting out!!!


callumwils0n
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right, so i have a lupo 1.4 sport and recently it has had issues with the idle. basicly it wont hold its revs and it cuts out making it pretty undrivable. I have replaced the battery and the throttle body as i thought that would be the solution. but it still wont run. the car is also running very ritch. The o2 sensor on my exhaust i faulty so im wondering if that could be a cause. any help would be appriciated.

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Welcome to club lupo! :)

could be a lot of things. Good start would be to get a cheap diagnostics thing (ebay?).

might be TPS? TEmp sensor. Air filter. You need a working O2 sesnsor. But diagnostics will confirm everything.

pic?

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17523-Oxygen (Lambda) Sensor Heating: B1 S1http://www.vwaudiforum.co.uk/forum/showthread.php/151837-Poorly-bug

17525- Oxygen (Lambda) Sensor Heating Circuit: B1 S2: Short to Ground

http://wiki.ross-tech.com/wiki/index.php/17525/P1117

17513-Oxygen (Lambda) Sensor Heating; B1 S2; Heating Circuit https://www.volkswagenforum.co.uk/showthread.php?t=26070

 

 

16555-Fuel Trim; Bank 1: System Too Lean

http://wiki.ross-tech.com/wiki/index.php/16555/P0171/000369

17972- Throttle Actuator (J338): Under-Voltage during Basic Settinghttp://wiki.ross-tech.com/wiki/index.php/17972/P1564/005476

17962-throttle actuator conditions for basic settings not met

17566-Manifold Pressure Sensor (G71): Implausible Signal

17952

17580

17953

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