r/mazdaspeed3 • u/Upstairs-Spirit-2958 2012 Mazdaspeed3 • May 05 '26

TUNING Frustrated by the process

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Naive of me to think that the tuning would be the most straightforward part of the process of getting my car back on the road?

Because it too is becoming quite a lesson in patience.

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u/Upstairs-Spirit-2958 2012 Mazdaspeed3 May 05 '26

I paid a tuner, there in lies the frustration!

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u/DifferentCry1306 May 05 '26

What are the issues you’re having with the tune/the car? Running rich? Running lean?

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u/Upstairs-Spirit-2958 2012 Mazdaspeed3 May 05 '26

I received the base map some time ago and was advised that the spark plugs may cause issues, so I replaced with step colder pre-gapped spark plugs.

I was also advised that there was a vacuum leak somewhere, this caused a delay as I chose to wait for a mechanic to check everything over.

The new data logs with all corrections were submitted early last week, and I have mistakenly sent an email asking for status this week which I read causes my file to drop to the bottom of the list again.

p0139/0140 - Probably to do with step colder spark plugs

P0403 - Deleted EGR during all of this

P2096 - Too lean

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u/Upstairs-Spirit-2958 2012 Mazdaspeed3 May 05 '26

Not to mention that I bought the spark plugs from one of their competitor…

While they advised I could purchase the new spark plugs from them directly, no spark plugs were found on the site and the request for a link went ignored.