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Old 10th September 2017, 09:06 AM   #1
Martin F
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So 24 is the Intake air temperature sensor, which if you have a fault with could be causing your car to run a little lean or rich in open loop mode. I would try to see if you can resolve this before trying anything else.

Code 89 is not an engine fault code, but related to the autobox, and most likely the speed sensor. Do you have a KMH to MPH converter on your car? If so I would start with the wiring to that. However i very much doubt this fault is related to your break up at 5500rpm

If you resolve the intake temperature sensor issue and you still have the break up problem then I would try reducing the gap on the plugs to 0.5mm. If this resolves the issue it's most likely your coil packs need replacing.
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