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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
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17.6M
130K
17.6M

Forced Induction Discussion

Discussion Turbochargers, Superchargers, NOS and general FI issues.
59.9K
6.8M
59.9K
6.8M

Powertrain Technical Information, FAQ's, How-To's

Articles written by forum members relating to powerplant information about the Mazda3.
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3.2M
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3.2M
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Sticky How To: Mazda/Ford 2.5L Swap
14 15 16
311
143K
 by Jbryan189
O
Sticky Front Wheel Bearing Replacement 2004 Early 2005
8
9K
 by madmatt2024
O
Sticky Problem: CEL Issues (Please post occurence and solution)
38 39 40
790
230K
 by Wisconsinite762
T
Spin on oil filter conversion modification
18
13K
 by madmatt2024
J
Strange code - U2023 - after axle and bearing replacement
1
119
 by madmatt2024
Nameless_niko
MAJOR TRANS LEAK COMES OUT AS FAST AS I CAN FILL IT
8
275
 by madmatt2024
D
Gears change but transmission gear indicator does not
5
14K
 by Baguado
A
2005 mazda 3 problems with abs & powersteering
1
112
 by Milanomike
Dans sp23
Transmission troubles
1
204
 by Milanomike
J
2007 Tailpipe Hanger Rusted Off
1
96
 by jeffage0
J
Engine crank, no start. Solved!!!!
1
102
 by jibkid
Crashalot1
Please help 04 Mazda3 2.3 runs great sometimes others, like garbage
6
227
 by Jerry B
fxdx
TCM (Transmission Control Module) Numbers & Letters significance
2
22
23K
 by Dans sp23
Greenmachine501
09 Mazda 3 engine swap
0
125
 by Greenmachine501
D
2008 Mazda3 - Engine Knock, Smoking, No Coolant - Beyond Repair?
4
192
 by Milanomike
360Spider
Sometimes Cannot Shift Up "Manually" (automatic)
4
1K
 by Milanomike
E
intake manifold
2
21
25K
 by Mg1911ak
N
Is ZY Engine Direct Or Port Injection?
6
252
 by n.able
Giantmetalrabbit
2006 3 - burning oil, rattle on starup?
6
321
 by jalamon
Isaacspeed3
07 MS3 knocking sound when hitting bumps
8
480
 by justamazdapshhh
R
Gear indicator continues to cycle
0
150
 by Robbhuot
Hajnalka
Probléma: sensor/electricity
0
113
 by Hajnalka
Ajar
Current transmission mounts
1
177
 by Ajar
Celdere
2007 Mazda 3 cranks but doesn't start
6
287
 by Milanomike
T
Sparks and crazy noise coming from ac clutch area??!!!
2
332
 by TaraR
D
Engine harness connector options
5
205
 by whizfish
Swolford
Transmission issues
6
403
 by Davids3
Porsche550
Cut-out open notch in bottom of 5AT transmission
6
434
 by Akmnhg5A
Isaacspeed3
07 MS3 oil light just came on after replacing VVT
4
201
 by madmatt2024
philrab
Discussion of the infamous 04-09 throttle hang.
2
24
4K
 by McCoyM989
Dannymanuel421
P0720 Mazda 3 2008 2.3
3
254
 by Dannymanuel421
hugopta
Wet driver and rear passenger floor
3
228
 by hugopta
D
Fuel pressure sensor/P0193 all the sudden
0
174
 by dabigboy
T
Vibrations at idle, in drive
12
16K
 by theteju
R
New member, common isue-with a twist..
0
204
 by Rick08M3
Emmerthouse
Turbo on the Fusion 2.5 engine swap
0
196
 by Emmerthouse
U
2006 2.3L - Coolant leak at water outlet
11
24K
 by Jnixxxin
M
PCM Question
3
270
 by madmatt2024
Powertrain 2004-2009 Mazda3 Engine, Drivetrain, Exhaust, etc
288.8K posts
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