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Mazda3 Engine Problems

68 messages,  Last post on Dec 02, 2009 at 3:44 PM

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What is this discussion about? Mazda MAZDA3, Engine, Hatchback

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#59 of 68 2004 Mazda 3 ECT Sensor by jmbeaz May 16, 2009 (2:37 am)
Code P0128 - Possible faulty ECT Sensor. Where is it and can I replace it, or is it a Dealer issue? Replies to this message: cactus6 (Nov 17, 2009 10:05 am)
#60 of 68 cold air intake by marockomole Jun 14, 2009 (12:51 pm)
I want to put a cold air intake on my 05 mazda3, Put all the intakes I have found mount the air filter down by the left front wheel behind the splash gaurd in the wheel well. I have herd somethings about water getting in to it when driving in the rain. Has anyone had this problem. Replies to this message: Mr_Shiftright (Jun 14, 2009 1:06 pm)
#61 of 68 Re: cold air intake [marockomole] by Mr_Shiftright HOST Jun 14, 2009 (1:06 pm)
Replying to: marockomole (Jun 14, 2009 12:51 pm) I'd never recommend mounting a cold air intake down below the level of your engine. It's not just a matter of water getting in--it's a question of driving through a deep puddle, and having a couple of cupfulls of water sucked up into the air intake. When that happens your engine is immediately ruined. There's no warning and no chance of survival. The piston tries to compress the water in the cylinder and bends the connecting rod---instant engine seizure.   Yes you need a deep puddle and some back luck for this to happen, but it's a real risk.
#62 of 68 Re: 2004 Mazda 3 ECT Sensor [jmbeaz] by cactus6 Nov 17, 2009 (10:05 am)
Replying to: jmbeaz (May 16, 2009 2:37 am) Was that your problem the ECT Sensor? Was it expensive to repair?   We just purchased a 2004 Mazda 3 and the engine light came on yesterday.   The code was the same as yours: PO128 Coolant thermostat condition- low operating temperature   Probable cause low coolant open or short circuit condition faulty ECT sensor   Car drives great and shows no problems at all.
#63 of 68 Engine light on code PO128 by cactus6 Nov 17, 2009 (10:09 am)
We just purchased a 2004 Mazda 3 and the engine light came on yesterday.   The code was the same as yours: PO128 Coolant thermostat condition- low operating temperature   Probable cause low coolant open or short circuit condition faulty ECT sensor   Car drives great and shows no problems at all.   Any one else have this problem or any advice?   Thanks! Replies to this message: Mr_Shiftright (Nov 17, 2009 10:56 am) abdmazza (Dec 01, 2009 7:05 pm) cactus6 (Dec 02, 2009 8:49 am) autonomous (Dec 02, 2009 3:44 pm)
#64 of 68 Re: Engine light on code PO128 [cactus6] by Mr_Shiftright HOST Nov 17, 2009 (10:56 am)
Replying to: cactus6 (Nov 17, 2009 10:09 am) well you have to take in it and have it tested to isolate the cause. A bad ECT sensor isn't so bad, but a sticking thermostat could be dangerous to your engine's health.
#65 of 68 2004 3s belt problems by jason_b Nov 18, 2009 (10:53 am)
i have a 2004 Mazda3 with 40000 miles on it. was driving home stoped at a light. started out then a noise started sounded like a baseball card in the spokes of a bike. it sounds like the noise is coming from the top pulley witch looks to be a fixed pulley. dose anyone know more about this thank you for any help.
#66 of 68 Re: Engine light on code PO128 [cactus6] by abdmazza Dec 01, 2009 (7:05 pm)
Replying to: cactus6 (Nov 17, 2009 10:09 am) theres is a reflash to correct this problem there is no part replacement needed the only thing is this is covered by the power train warrenty which is 5 years or 100,000kms (60,000miles) this is a dealer concern. hope this helps by mazda tech Replies to this message: cactus6 (Dec 02, 2009 8:49 am) autonomous (Dec 02, 2009 3:44 pm)
#67 of 68 Re: Engine light on code PO128 [abdmazza] by cactus6 Dec 02, 2009 (8:49 am)
Replying to: abdmazza (Dec 01, 2009 7:05 pm) I am sorry for asking dumb questions here ... I don't know anything about cars.   What is a reflash?   Does this mean there is a power train problem?   Thanks for your help!!! Replies to this message: autonomous (Dec 02, 2009 3:44 pm)
#68 of 68 Re: Engine light on code PO128 [cactus6] by autonomous Dec 02, 2009 (3:44 pm)
Replying to: cactus6 (Dec 02, 2009 8:49 am) "Reflash" is similar to a reset of your computer. Normally not a big deal.

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