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Mazda Millenia

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  • I have a 1996 Millenia with a 2.5L V6 the standard motor with the car and I was wondering what I need to get to upgrade my moter to the KLZE-2.5 V6. I was wondering what would I all need to to make this motor work in my car.
  • If you have unsuccessfully attempted to put in the code 3 times the book states that it will make the audio permanently inoperable and will have to be replaced by the dealer at you r expense. If you have an owners manual pages 4--55 is were to start reading at. I was fortunate enough that mine has never been set.
  • My boyfriend bought 95 Millenia in November for $1300 and gave it to me. The guy was working on fixing it up and got tired of sticking money into it. He told me he had replaced the transmission, spark plugs and the O2 sensor as well as the sensor in front of and behind it. He also told me there was a miss that he couldn't figure out. He said there were not any more codes on the car so he couldn't find out what the problem was. He told me he would suggest that I take it to the dealer and have it checked out. The miss was not really bad. It was just after it warmed up and until you would reach about 30 mph and it's stop. Now the miss is bad and to the point that it died on me twice when I stopped at a stop sign. It also takes it a minute to crank if I cut it off when I go somewhere. It seems to be idling at 500 rpms which I am pretty sure is to low and it has been that way since I got it. I am going to get new boots and sparkplugs and change those before going to the dealer. I priced a distributor and I thought I was gonna have a heart attack from the cost. Do you have any other suggestions before I take it to the dealer and spend alot on it?
  • I went to autozone.com and registered and put in my car info and they have all kinds of information such as repair guides and descriptions of parts as well as were they are located in or on the vehicle.
  • You mean you just cleaned the outside of the motor and that was it?
  • gregg_vwgregg_vw Posts: 2,415
    If it is the S model 2.3 liter Miller cycle engine, I don't think 500 rpm at idle is too low, especially if it idles smoothly.
  • This is the specs I have on it:
    Transmission:4-SPEED AUTO OD TRAN 2W FWD
    Engine:2.5L DOHC V6 24 VALV
    I entered my VIN on the mazda website and this is what it came back as!
  • The only thing I know about it is that it has the following specs per Mazda's owner website:
    Transmission:4-SPEED AUTO OD TRAN 2W FWD
    Engine:2.5L DOHC V6 24 VALV
  • Hello from the Tennessee mountains! I hope someone in the forums either can help me with this oddball problem, or can refer me to an expert on 1995 Millenia transmissions. While driving in the remote mountains, I came to a "T" intersection that was so steep that the front of my car bottomed out hard on the pavement of the intersecting road. Immediately the torque converter lockup engaged and has not disengaged since. Local Mazda dealer refuses to even look at transmission problems in cars out of warranty. Local transmission shop gave $1300 "estimate," exclusive of additional problems that they may find--wanna bet they won't find any on this 155,000 mile vehicle?! I have driven several thousand miles since the incident, Cold starts are a problem as either the engine stalls or the transmission engages with a bang. If there is no simple fix for this, I'll just drive it this way until something breaks from the abuse. But I hate to do that because it has been a wonderful car--any help will be sincerely appreciated.

    Thanks
  • patpat Posts: 10,421
    Welcome to CarSpace! You might also want to post your question in our Answers section while we're waiting to see if someone can help you here. Good luck - hope we can help.
  • Thanks, Pat. I posted the question in the Answers section also. It's a shame the Millenia never really achieved the same status as Lexus, Infiniti, and Acura. We considered all those brands before buying the Millenia and have never regretted the decision. Thanks again.
  • wynn1wynn1 Posts: 2
    Looking at 02S and I am seeing that mfg. recommends super unleaded for this vehicle. Anyone running other than super and have not read all posts, does this create any noticable problems? Anyone running regular unleaded?
  • gregg_vwgregg_vw Posts: 2,415
    Do NOT use regular unleaded in the supercharged Miller cycle engine. It is OK to do in the 2.5 liter, though I don't understand why people do. The few cents more that premium costs has become a smaller percentage of overall fuel cost as the price per gallon has risen. You could mix mid-grade and premium to shoot for a 91 octane mix I suppose.

    If premium is recommended, then using it will gain you more power and better mileage. However, with the S, the knock sensor cannot always react quickly enough to compensate when the supercharger spools up.

    Make sure the expensive 60K service was done (timing belt, plugs, etc.). Use premium and enjoy the car.
  • :surprise: I have been experiencing a similar prob for some time . I am pretty happy with my 2002 millenia except one situation, every so often prob at least once a day now the the transmission jerks the car forward a bit :confuse: ( and hold light blinks-even though I have not engaged it) I had the transmission replaced about 2 years ago and the engine light has come on and off since I picked up the car brand new from the dealer. Even when I brought the car in for routine maintenance they never found anything wrong with it until I bought it after the 3 yr lease was up, then I needed a new trannie. SO since the dealer quote me a price of 6K I took myself to a local AAMCO dealer and had one installed for 3k, unfortunately I still have a prob, can I solve this by somehow having that hold button feature disabled? :confuse:
    thanks!
  • tex1084tex1084 Posts: 1
    Though I consider myself to be fairly savvy under the hood and in normal maintenance with my car, this one's over my head. What could be the source of my problem when my air conditioning unit thermostat (if that's even its technical name) is stuck on 90. Even when I turn it off, it's blowing warm air up my thighs.

    A broken fuse? A broken thermostat? The protocol for replacing a broken "thermostat" (a part only $18) seems to be a hell of an effort. I'm hoping I read the wrong information.

    Could anyone send me in the right direction?--hopefully not to a dealer.

    Thanks a bunch.
  • PF_FlyerPF_Flyer Pennsylvania Furnace, PAPosts: 5,895
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  • cindy79cindy79 Posts: 3
    I have a 2000 Millenia S Millenium Edition , the check engine light has been on since I have purchased the vehicle, also for the last few months the TCS and TCS Off light have started to come on and stay on for periods of time which causes the car to jerk, I was told my O2 sensor needs to be replaced, you may want to have your sensors checked , They can cause the car not to perform correctley even as far as the transmission performance. This can be exspensive
  • cindy79cindy79 Posts: 3
    I HAVE A 200 MAZDA MILLENIA S THAT I FINANCED FOR $9,000 THE BODY LOOKS GREAT BUT I AM HAVING PROBLEM AFTER PROBLEM , THE AUTOMATIC STEERING WHEEL WORKS WHEN IT WANTS TO , THE CHECK ENGINE LIGHT STAYS ON, THE SENSORS HAVE TO BE REPLACED O2 AN MAP SENSOR, THE TCS LIGHT AND TCS OFF LIGHT COME ON AT THE SAME TIME WHICH CAUSES THE CAR TO JERK , I PURCHASED THE CAR 08/07 IT IS EXPENSIVE TO REPAIR I AM CONSIDERING TRADING IT IN , I HAVE READ SEVERAL FORUMS ON MILLENIAS AND THESE SEEM TO BE COMMON ISSUES , THE CAR IS GOOD FOR THE LOOKS WHICH IS WHAT CAUGHT MY ATTENTION BUT THAT IS ABOUT ALL.
  • gregg_vwgregg_vw Posts: 2,415
    They are very good cars and often can go well past 120,000 miles trouble-free. They need to be serviced properly, especially the S model. The S model must have premium fuel. The 60,000 mile service is important. For all the people on forums who complain, there are many more happy owners, some of whom still look for low mileage examples when it is time to trade. I owned two of them and had no regrets. However, technology has moved on and they are hardly state of the art anymore.

    Someone got a real deal on purchasing my second one from the dealer. It needed O2 sensors and all 60K work. Millenium Edition that sold with 59,000 miles for less than $7,000 (I believe the asking price was like 10K). The dealer did all the service, and the purchaser got a vehicle that was like new.

    You likely paid more for the car than you needed to (KBB and even Edmunds list inflated values for these cars, compared for what they are really selling for). You may have been happier with the non-S model, which is just as pretty. I recommend a person buy one either from a Mazda dealer (they will have done the required service), or from someone who has all the service records. O2 sensors will be pricey from a dealer. Shop around for parts.

    Tuition in the school of life stuff: it is easy enough to turn off the check engine light without fixing the underlying problem. Running a computer check through Autozone for example might give you a better idea of whether there are any error codes stored on a car you are considering. As for price, a good check is to see what similar models have sold for on eBay.

    You need to evaluate repair costs and overall condition. It may be cheaper for you to bring the car up to optimum condition, or it may be cheaper to dump it now. All depends. Has it had the 60,000 tuneup and timing belt change? Is it using any fluids? Any leaks at all? The steering wheel doesn't matter that much...it's mostly for show. Set it where you want it, and then turn the auto feature off most of the time. Less stress on the steering column motor, and the feature will last longer.
  • oastleroastler Posts: 4
    My LED-type light is out that displays on the dash the time, thermostat and
    AC settings. I checked the fuse and its okay. Any ideas on how to fix it myself
    or is a shop going to have to do it?

    Thanks,
    Tom
  • cindy79cindy79 Posts: 3
    Im not sure if it has had the 60K services when I purchased the car it had 88K, The dealer is paying for th sensor repairs. However one place meineke to be exact told me I need manifolds, and a converter if they a diffrent, the dealers repairman said that I needed all 4 o2 sensors and new axles which I was told by both he said my manifolds were fine, I guesiing the tcs off light has to do with the faulty o2 sensors.
  • taxijacktaxijack Posts: 1
    I have a 2000 Mazda Millenia and love it. I have read the site looking for a fix to my problem but haven't seen alot on my error codes. The darn check engine light is on and has been on for about 6 months now. The car has been running fine until late last week. I took the Mazda into the shop because now it is running ruff when I stop at a light. I do here a vacum leak at top of engine now.While at the shop they read the codes P0105 MAP/BORO Circuit Malfunction and also P0300 Multi Cyl Malfunction/misfire Detected. Not sure what I need to do to get this fixed. say that because I am with the Military overseas adn there is no Mazda dealers over here. What parts would I need to order to get someone to fix it. Would a MAP/Boro sensor fix the one problem.

    Also another question about Check Engine Light. How do I get rid of that. Would the replacement of the 4 sensor help. I read alot on site were some people have replaced one or two sensor to fix. With me being oversea I tought maybe replace all four at same time since I don't have a dealer to go to. Any ideas
  • lynettlynett Posts: 1
    can anyone tell me if there is a rebuilding kit for the supercharger and how /where to get one milwaukee wisconsin. please help me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  • 99kj_owner99kj_owner Posts: 1
    I have a 1999 Millenia with the Miller cycle KJ engine. I have removed the left timing belt cover and traced a engine oil leak to where the left front of the cylinder head cover mates with the left cylinder head at the very front of the engine (front being where the timing belt is). It looks like a small part of the cylinder head has broken and shifted. There is 74,000 miles on the engine and it runs perfectly. It seems the only function of the broken piece is to provide a surface for the gasket to seal against. I would need to cut a hole in the fender well with a hole saw to take a picture which I have not done .

    Any advice would be greatly appreciated

    Larry
  • gr8trfoolgr8trfool Posts: 19
    Not a car expert, but I had a recent similar problem. Bogged down trying to get rolling, but a lighter touch on the pedal got it rolling and then it cruised fine. It was as simple as the air intake from the air filter had come loose and way too much air was being sucked in.
  • gr8trfoolgr8trfool Posts: 19
    I was trying to follow some of the discussions and threads regarding this topic, but my issue seems slightly different. I have a 95 Millenia, original owner with 121,000 miles. In the last few months, it has started to have an issue at about 1750-2000 RPM when driving, The car has a slight resistance with the RPM dropping slightly like an engine brake, then it releases and the RPM pops up to normal. Generally, a number of days late I will then have the CEL come on. When this happens, the car then idles rough and accelerates rough/sluggishly. I think the code always points to a mis-fire on Cylinder #1, but thats just a symptom I think. I have replaced plugs, wires, distributor cap, EGR, injector on cyl 1, but hasn't permanently solved the issue. I did find a vacuum hose coming off what I think (appears) to be the EGR solenoid disconnected, but it makes no difference whether in place or not.
  • Our 2000 is giving off codes PO300 and PO431. From my research it indicates the catalytic converter as the O2 sensor going would not trigger the 431 code also.

    I found several on-line as a replacement but don't know which to choose. Also can a "small town" mechanic do the job or do I need to take it into the city? Is there anything else I should go ahead and replace at the same time; Oxygen Sensor, etc.?
  • rjoe1rjoe1 Posts: 3
    Also have a 2000 Millenia S model with 87k miles on it. Did not trigger a warning light or codes, but continued to "buck" at speeds around 55mph, as if it was missing. the Millinenia forum suggested the oxygen sensor located next to the air filter, so I took it apart and sprayed contact cleaner on the wires. This worked for a week or so and then it began again. My mazda mechanic took it into the shop and discovered that the vacuum hoses running along the top of the engine were rotted and leaking so he replaced them. Haven't had any trouble since. good luck!
  • krumtxkrumtx Posts: 5
    0300 is random missfire. when was the last time you changed plugs? and which plugs did you use? i am guessing that from your codes, you have a 2.3 mc motor. be very careful, most aftermarket places do not have the correct info on plugs for the mc motor. the gap MUST be .7-.8mm. NOT 1.1mm, like most of the stores think. if you do not fix the random miss, you will be buying both cats. the cat you need is the front pre cat, which is part of the exhaust manifold, and it is not cheap. last check was mazda list 987.20. some online dealers will sell it for just over 700 bucks. r&r is pretty straight forward, it is best done from under the car. afaik, only catco and eastern make this cat. brown recycling has reman ones at very good prices.
  • walturbwalturb Posts: 1
    Hi new to the forum. have 2002 milleniaS with Miller cycle engine. has 86,000 miles In for regular maintenance with a local mechanic . check engine light is on and readings he's getting indicate a catalytic converter issue. He suggested contact dealer and see if covered under warranty. Does anyone have any input as to what the warranty on the cat is? Thank you
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