Pelican Parts Forums - Question on Spark Plugs and Cable Replacement

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My little R53, the daily, began sputtering at low RPMs and throwing codes along with the symptoms. Ive switched plugs, wires, coil pack, fuel injectorsand cleaned everything I can, and Im getting a strange code. The DSC will come on, then the SES pops on, followed by a P0302 code. A compression test shows a 150 average, +/- 5. Im at a loss. DME issues? Injector wiring? arghhhh. Any help would be greatly appreciated.

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This post was auto-generated based upon a question asked on our tech article page here: MINI Cooper Spark Plug and Cable Replacement (R50/R52/R53 2001-2006) | Pelican Parts DIY Maintenance Article

One of the items you tested has to be off. Otherwise there would be no misfire. Check spark, fuel and compression on all cylinders. Swapping parts may be causing you to miss a non-working driver or circuit.

- Nick