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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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52.1K
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Modifications

Questions, Comments, Problems, etc about drivetrain modification issues
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Forced Induction Discussion

Discussion Turbochargers, Superchargers, NOS and general FI issues.
59.9K
6.9M
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Powertrain Technical Information, FAQ's, How-To's

Articles written by forum members relating to powerplant information about the Mazda3.
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3.3M
5K
3.3M
O
Sticky Front Wheel Bearing Replacement 2004 Early 2005
10
10K
 by madmatt2024
M
Sticky How To: Mazda/Ford 2.5L Swap
14 15 16
314
150K
 by Gjrwoody
O
Sticky Problem: CEL Issues (Please post occurence and solution)
38 39 40
790
231K
 by Wisconsinite762
DangerZooone
Airbag Light On (have codes)
9
32K
 by joooro#3
C
Cylinder head bolt torx size
0
185
 by CarNut2187
BmoreSP3
Losing power to the gas pedal/Bank1 Lean fault/Misfires on Cyl. 4
2
149
 by BmoreSP3
SRND
2008 2.3 non turbo rebuilding
5
399
 by Dave4696
antdram
Solenoid D
19
478
 by Milanomike
T
04 2.3l swap to 2.5l successful
77 78 79
2K
482K
 by Dkrahn78
M
2006 Mazda3 AC Compressor Clutch Bearing Diameter
6
287
 by MiBad
kaimanson
DIY - How to replace outdoor/exterior door handle 2004-2009- (video)
1
279
 by VWandDodge
DannyR
Mazda L3vdt noisy engine
4
162
 by DannyR
R
‘07 Mazda 2.3L —Engine Cranks but Won’t Start
14
505
 by theblooms
D
transmission swap
1
2K
 by Maizee3T
patx35
Thinking about making an open-book write up for the Mazdaedit Personal ROM definitions. Curious if it's something that the community wants.
5
311
 by VWandDodge
S
PO762 Shift Solenoid 'C' Stuck On
1
6K
 by mazda3manny
R
AT and Check Engine Light On - Won't Shift into 4th
17
103K
 by TKB
B
2006 Mazda 3 2.3L noise problem in low gears under acceleration
7
2K
 by bommai
D
Shift solenoid C?
16
14K
 by antdram
T
Mystery Power Loss after Cleaning Throttle Body
1
259
 by TKB
I
Car wont start, acting like clutch not pressed.
8
367
 by Bill
C
Transmission casing C/V axle bearings. Am I in trouble?
7
306
 by Copper Red
C
Actual transmission capacity
2
193
 by Copper Red
N
Loose connector
2
742
 by n.able
Devo87
Is there a better forum ?
13
541
 by theblooms
jasonwebster
Get advice on wheel bearings
14
479
 by Davids3
Devo87
Cooling fan/thermostat question ?
4
272
 by Devo87
B
Cheapest and easiest power gain for 2003 m3hb w/ 2.3L
3
318
 by Milanomike
H
Engine Swap Compatibility 2.3 to 2.5
2
24
16K
 by Gary45o
T
2007 Mazda 3i 2.0 and 4 speed Auto swap into 2006 Mazda 3 2.3 5 speed auto?
2
277
 by VWandDodge
J
weird coolant issue
4
231
 by jvandyke
M
ECU Swaps Between exact same Year, Model etc.
0
172
 by Madazz007
Devo87
What are normal baseline live Data ? possible vacuum leak etc.
1
215
 by Devo87
B
2004 engine swapped speed 3
1
192
 by shipo
J
2004 Sedan not shifting into 3rd or 4th [SOLVED]
12
13K
 by Green Jumper
DBC00P3R
Engine swap
3
416
 by Davids3
Isali
2.3l engine swap help
3
295
 by Davids3
Devo87
I need torque specs for valve cover please post
4
246
 by Devo87
Powertrain 2004-2009 Mazda3
Engine, Drivetrain, Exhaust, etc
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