Your throttle angle is incorrect at idle, 5% is too high and the stepper/IACV step should be around 20-24 so that is also high...
I'm not saying that is your issue but it is An issue.
Get the engine up to temp and try doing the reset i.e. Switch engine off, switch ignition to position 2, press accelerator to floor 5 times, wait 15 seconds, switch off. Start car and chdck the throttle angle is 4%.
Next disconnect the stepper motor and start tbe car, check idle speed. It should be 800. If different adjust the idle screw. 1/4 turn at a time wait for idle to settle before adjusting again if needed. Once you have 800 reconnect the stepper motor, allow the idle to stabilse, it should eventually be 875. Check the step reading.. If the step is not low 20s then you may need to clean/replace tge sfepper motor/IACV.
Next the voltage of 16 volts at the O2 sensor is just weird. Where is it getting 16 volts from? Check your alternator output, should be a max of 14v-ish!
Other than that, I'm out of advice,🤔
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It doesn't sound as if tbere is much practical diy info in there. More about the production...
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DescriptionLaunched in 1995, the MGF marked the rebirth of the classic British MG two-seater sports car. In this book, MGF enthusiast Tim Morris tells the full inside story of the development of the MGF and TF against the background of the seismic changes that were taking place in the British car industry. After the demise of the bestselling MGB and the closure of the Abingdon factory in 1980, it seemed as if the classic MG sports car had come to an end. An upgraded version of the MGB, the RV8, was introduced in the 1990s, but meanwhile designers and engineers were busy with an all-new car, which was unveiled in 1995. Developed under British Aerospace and launched under BMW ownership of the Rover Group, the MGF came under MG-Rover ownership after BMW divided the company in 2000. At this time the TF was developed and produced until the company went into administration in 2005. Here design features such as the mid-engine format and Hydragas suspension system are described, as well as the various model changes and re-designs and how the car fared against strong competition from cars such as the Mazda MX5. Including information for owners and potential buyers and with a wide selection of illustrations, this is an essential guide to the MGF and TF sports cars.
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If the fusesare ok, then the other failure point can be the"clockspring" ribbon connector behind the steering wheel. .
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Not an issue, matey. I only know because I went into my mirror repair many years ago with the same thought that the painted back must come off.
On the positive side your comment made me look at my old 'how to' to confirm my memory, and realise the photos had vanished.
luckily, being a bit of a packrat, I had kept the nightfire red mirror ( never know when that will come in handy!), so I was able to make new how to pics to complete the old 'how to'.
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