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Powertrain 2004-2009 Mazda3

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Stock Issues

Questions, Comments, and Problems about the stock setup and general questions.
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Modifications

Questions, Comments, Problems, etc about drivetrain modification issues
130K 16.9M
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Forced Induction Discussion

Discussion Turbochargers, Superchargers, NOS and general FI issues.
59.9K 6.5M
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Powertrain Technical Information, FAQ's, How-To's

Articles written by forum members relating to powerplant information about the Mazda3.
4.9K 3M
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  • 3M
Sticky How To: Mazda/Ford 2.5L Swap
14 15 16
304
130K
 by Tony Mazda
Sticky Front Wheel Bearing Replacement 2004 Early 2005
8
8K
 by madmatt2024
Sticky Problem: CEL Issues (Please post occurence and solution)
38 39 40
790
227K
 by Wisconsinite762
Trying to diag P2004. Anyone got ECU ground locations/wiring diagram?
1
199
 by Daniel C.
Axle Seal issue
0
102
 by MinimumVelocity
2006 2.3L - Coolant leak at water outlet
9
20K
 by mellethi
what could be the issue
0
113
 by Brycewang
177,000 on my 2008 S GT Hatchback. CV boot torn. Thoughts?
4
905
 by Ghostmazda3river
2009 Mazdaspeed 3 engine replacement
0
273
 by GREGE63
Mazda 3 build questions
10
406
 by shipo
05 body part compatibility
1
155
 by VWandDodge
Spark plug replacement.
7
350
 by dudeskee1325
2007 1.6 TS² Engine Check Light (P0420)
2
582
 by markdip20
2004 Mazda 3 no spark after motor swap
4
425
 by markdip20
Engine swap
0
245
 by Sburrell
engine stalls at stops, don't know why, help me please!
8
22K
 by kdee
Engine swap
1
298
 by Davids3
Cannot Fix Mazda 3 Rough Idle / Stall
17
16K
 by Mazda84
2008 Mazda 3I TCM Transmission control module missing?
9
13K
 by Kulu3
CEL O2 Sensor P0030/P0130/P0134
0
190
 by noah27
Swapping to Mazdaspeed 6-speed HELP PLZZ
14
9K
 by Colonjose21
Mazda 3 Air Conditioning A/C Clutch Question When Car is Off
1
437
 by newsense
06 Mazda 3 no start
13
410
 by m3iguy
2008 mazda 3 2.3l hatch
2
298
 by ultimica06
Compression test results (is this normal)
15
11K
 by SSEI B
Transmission help
0
252
 by BriScoWill
P2405
1
2K
 by MJCollins
CEL, AT Light, P0753 code
2
33
58K
 by Angelica Syn
A/C no longer works. What can I test?
7
1K
 by VWandDodge
Help needed on EVAP Leak Detection Pump issue on 2006 M3 Hatch 2.3L Auto, reported DTC code p2405
0
242
 by MJCollins
5 wire O2 Sensor on car, to Bosch 4 wire,
4
215
 by VWandDodge
AC Issue on '06 2.3. Stumped!
2
248
 by jchinks
Ac and Radio Issues
1
176
 by Akmnhg5A
No spark, no codes.
7
6K
 by Robbinhood
Looking for a few beta testers in the San Antonio/Austin area
17
4K
 by GaTeKe3p3r
What the drivetrain loss?
1
2K
 by SlingshotSpeed3
P0138 Code O2 Sensor Replacement Question
3
808
 by johngodsmith
Question for 2.3 to 2.5 engine swap guys. 2.5 vs 2.3 acceleration.
10
2K
 by ultimica06
Powertrain 2004-2009 Mazda3 Engine, Drivetrain, Exhaust, etc
288.1K posts
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