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Me too - got some goodies to go on in the new year to enhance the "I drive it - not detail it" look ;) lol!
Yeah it was the MAP sensor, new one arrived this morning and I fitted it in 3 minutes flat! :D
So glad it's sorted now, can't imagine the relief! Haha!
Right well there's simple check to see if it just needs re-syncing or whether it's something else -
1. Turn Ignition OFF.
2. Press the central door locking button for more than 5 seconds. Note :
the doors should lock then unlock.
3. When this happens, 10 seconds is allowed and the...
I like it, and as the saying goes 'it's your car' and all that, BUT...if it was too loud to pass an MOT my feeling is that's it's too loud to look/sound sensible on a 1.2.
All IMO of course :)
Have you tried the spare key?
Does the tiny red LED on the key still illuminate when you press it?
What model is your 'Sport Edition', as in is it a mk2 ph1 ph2 etc etc?
I've said this before and might be totally wrong here, but I was having similar problems and it turned out to be my MAP sensor (after checking leads, plugs, coilpack and changing the O2 sensor).
Does it hesitate when you accelerate and revs drop on idle almost to it cutting out?
Do the...
If the pads are fine then just top up the fluid, but if the fluid level has dropped (hence the lights) then it generally means your pads are wearing down.
Top two could mean the carbon cannister has been removed/is faulty.
Bottom one is a faulty Lambda heater circuit - do the 172's have two sensors?
Decat wouldn't affect how the car runs, but (obviously) will affect it's emissions.
MAP is an abbreviation for Manifold Absolute Pressure, the MAP sensor senses the air pressure difference between what's inside the plenum and what's outside in the engine bay.