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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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Forced Induction Discussion

Discussion Turbochargers, Superchargers, NOS and general FI issues.
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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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Sticky How To: Mazda/Ford 2.5L Swap
14 15 16
308
138K
 by Tyler L
O
Sticky Front Wheel Bearing Replacement 2004 Early 2005
8
8K
 by madmatt2024
O
Sticky Problem: CEL Issues (Please post occurence and solution)
38 39 40
790
229K
 by Wisconsinite762
rackle
Help diagnosing intermittent rattle noise??
2
126
 by Milanomike
AndreAndre4
Any references for comparing/evaulating live data from scan tool
1
91
 by Hedtkes18!
bilitries
Speed sensor keeps going bad?
2
101
 by bilitries
H
CEL, AT Light, P0753 code
2
36
61K
 by Milanomike
CSimonetty
Help on engine swap 2.3 to 2.0
11
301
 by CSimonetty
S
Which Purge valve?
17
532
 by madmatt2024
Bsmithhh
2004 Mazda 3 2.0l transmission issues
2
118
 by Bsmithhh
E
Loud Knock Sound
11
314
 by Milanomike
lanetech34
Engine wont start after oil change.
13
8K
 by Bert-the-builder
S
2007 speed 3 drinking oil
6
305
 by Davids3
J
P0421 2006 Mazda 3 2.3 Catalytic Convter
8
16K
 by spantzke
D
How many miles do you have on your 2005 Mazda 3??
4
387
 by Barefoot
N
Car Won't Start After Engine Swap HELP!!!
4 5 6
101
38K
 by Rodjay
A
Engine Mounts (2004 Mazda3 2.3l hatchback)
5
349
 by G ~ Mini
I
AT Light illuminates / Gear switches to 3
2
22
4K
 by Milanomike
gater
2005 at times wont shift from out of Park
14
17K
 by Ramcharger 211
Driller 1976
Transmission problems
9
496
 by madmatt2024
jim-san
Fords/other Mazdas that use the same 2.3L "L-engine" as the Mazda 3
7
19K
 by Rede12
bilitries
p0720, exposed wiring?
7
384
 by gerrywheel
J
Excessive oil usage
15
31K
 by Buddywugga
J
Bad 02 Sensor, & Other Codes?
0
261
 by Joshyboii55
M
TCM Issue?
17
677
 by Milanomike
K
2004 Mazda 3 2.3L - Vibration Under Hood
5
401
 by Davids3
T
Sparks and crazy noise coming from ac clutch area??!!!
1
196
 by hatch06
rpelich
how to tell if power steering fluid is clean?
1
240
 by hatch06
A
2007 Mazda 3 2.0L 4-speed Auto Transmission Problem
3
3K
 by Foolishpride37
Ajar
A/C belt
2
243
 by Ajar
Masntirz
Mazda3 question
1
228
 by shipo
Driller 1976
Mazda 3 transmission problems
0
251
 by Driller 1976
Driller 1976
Transmission problems
0
166
 by Driller 1976
Droptmazda3
Knock correction problem still
10
299
 by shipo
Hatched3mz
MZ3 Automatic Transmission shifting issues
1
261
 by shipo
M
Rod Bearing Replacement
5
3K
 by Pulinmazda
S
2007 S GT Sedan trunk unlatching by itself
0
187
 by smandable
rpelich
Normal for Mazda 3 to not downshift on the instrument cluster when slowing down?
1
249
 by Ajar
Powertrain 2004-2009 Mazda3 Engine, Drivetrain, Exhaust, etc
288.5K posts
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