/r/mazdaspeed3

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Tuning question! Car won’t idle.

1 upvotes • Own_Palpitation9552

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Should I buy a Mazdaspeed 3 with 196000 miles for 3500$?

1 upvotes • PayFree3549

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Downstream O2 Sensor is reading 0v at idle. Also the lambda reading is N/A. Is the sensor bad? For reference, the car is a 2013 Mazdaspeed3 and has a p0171 lean code and a very rough idle. I checked for vacuum leaks and clean the fuel injectors but did not help.

1 upvotes • naterspaso

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P0031 and P0134, O2 heater circuit help!

1 upvotes • ShaggysGTI

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Speed3 Engine Swap Advice

1 upvotes • Cheap-Ability_13

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Rate my interior (what color scheme should I pick up for the car)

1 upvotes • nitroguy2005

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My speed has a fuel cut/stutter at wot it sounds like a leaf in a fan

1 upvotes • Lopsided-Nothing2837

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OEM Intake + Aftermarket TIP?

1 upvotes • CarlaR13

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Tuning question! Car won’t idle.	1	Own_Palpitation9552
Should I buy a Mazdaspeed 3 with 196000 miles for 3500$?	1	PayFree3549
Downstream O2 Sensor is reading 0v at idle. Also the lambda reading is N/A. Is the sensor bad? For reference, the car is a 2013 Mazdaspeed3 and has a p0171 lean code and a very rough idle. I checked for vacuum leaks and clean the fuel injectors but did not help.	1	naterspaso
P0031 and P0134, O2 heater circuit help!	1	ShaggysGTI
Speed3 Engine Swap Advice	1	Cheap-Ability_13
Rate my interior (what color scheme should I pick up for the car)	1	nitroguy2005
My speed has a fuel cut/stutter at wot it sounds like a leaf in a fan	1	Lopsided-Nothing2837
OEM Intake + Aftermarket TIP?	1	CarlaR13