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Engine Misfiring

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Old 02-17-2005, 03:27 PM
  #101  
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Hey.. I have done that procedure before and just did it again. So far no CEL and I have tried to make the light come on. It usually comes on in 4th around 6,000 rpm.. it hasnt happened yet we'll see.
Old 02-18-2005, 01:30 AM
  #102  
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No CEL my *(@.... Came on again tonight. Whats it going to take for it to go out?? That procedure your talking about is just depressing the brake pedal 20 times and I have done that.. I have no idea what the problem could be now... Taking it in tomorrow morning...
Old 02-18-2005, 05:35 PM
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Srry im still good. Sux to hear they havnt dropped in a new engine for u.
Old 02-18-2005, 05:43 PM
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I think their next step is to invite the engineer onsite to look at my car...

I am about to pick it up so I can at least have it for the weekend. They are trying to work out the specifics...
Old 02-25-2005, 04:29 PM
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Hey guys.. Get this. Mazda technical has given up and said that they are not sure where to go next so have the customer contact customer service and work it out. Can you believe that?? They also told me that my car has high mileage.. whatever that means.

I got off the phone with customer service and told them that technical has given up and that was just not acceptable to me obviously. They have since gotten the district manager involved for the irvine so cali area that will work with technical, my dealership and me to resolve the isssue...

That has got to be the worst.. how can technical give up??? crazy....
Old 03-02-2005, 09:44 PM
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Well.. just a little update for those who dont have any issues and are lucky

I finally got to the point where customer service had to get involved and issued a request for the southern california district representative to evaluate my case. He/she will decide where to go from here based upon my cars history, mazda na technical's input as well as mine... We'll see how it goes from here...
Old 03-04-2005, 09:00 AM
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Originally Posted by davefzr
Well.. just a little update for those who dont have any issues and are lucky

I finally got to the point where customer service had to get involved and issued a request for the southern california district representative to evaluate my case. He/she will decide where to go from here based upon my cars history, mazda na technical's input as well as mine... We'll see how it goes from here...
Hi Dave,

From where I'm sitting, it'd probably be a good time to tell the district representative that you should be provided a new car, even if it's a leftover (but new) '04 model sitting on a dealer's lot somewhere. The number of problems you've had and the hassle you've been through is just plain silly, and Mazda oughta step up to the plate and make it right.

Just my $0.02,
Bill
Old 03-04-2005, 07:38 PM
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Don't forget the lemon law... same issue 3 times with no way to repair it for good should get you a new car... I am no expert on the law but that was what I was told on it... check!
Old 03-04-2005, 07:44 PM
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Yeah.. I will check into it after this go around.

Just got off the phone with my service manager. He asked me to bring in the car on Monday because an engineer from Irvine was going to pick it up. Something interesting that he also said was that he was from Japan. Hmmmmmmmm haha. Very interesting..... I wonder who it is.....

They didnt give me any more details....
Old 03-05-2005, 11:00 PM
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Do you still have your Mid Pipe and cat back installed?

If yes, and they are going to look at it great!
Old 03-07-2005, 11:35 AM
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Yeah.. my SR Motorsports hi-flow cat and Borla cat-back systems are installed on my car. Mazda technical was going to replace them with OEM parts but decided not to because they thought it wasnt the issue.

I dont think they will have a problem with it.

My car is down at my local dealership right now awaiting to be taken back to Irvine R&D.

If anyone can find out the issue it's those guys....
Old 03-07-2005, 12:13 PM
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I read a few post back you had a P0200?

You have a vehicle with a language all it's own?

I hope this all works out for you Dave.
Old 03-07-2005, 12:28 PM
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Yeah a P0200 and a P0300.. A P0200 was an injector circuit malfunction... Those are the codes that my CANScan is reporting. I had to look up on the ODBII site to find out what the P0200 meant..

It's strange though because when I take my car to Mazda, the only code they can see is a P0302... I am not sure why I can see pending codes that Mazda can not...
Old 03-10-2005, 03:07 AM
  #114  
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i've gotten the P0302 code twice in the last 2 months as well. i don't have a CANscan tool (wanna get the AutoEnginuity tool though) so i have to go on what the dealer tells me.

both times it happened under acceleration - not WOT though. no bucking/shaking. don't know about loss of power though cuz both times i drove uber slow and pulled over immediately and shut it down.

the first time they replaced the spark plugs - but i wasn't able to get much from the guy - he seemed to have that "holier than thou'" attitude and i wasn't in the mood to argue with him. so don't know if they are the hotter plugs or what.

the 2nd time was today - they said they reflashed the PCM, but again, there's no way for me to verify it.

are misfires detrimental to the engine?
Old 03-11-2005, 01:17 AM
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I really dont think they are.....

Mazda hasnt given me an update yet. I called today but I think the service advisor that I have been working with is out on Thursday's. They will probably update me tomorrow with either no status update or some information. I dont know as of yet because it's really out of the dealerships hands at this point so it's hard for them to get a status update.

I'll post what I find out tomorrow. I know it will be something though...
Old 03-13-2005, 11:12 AM
  #116  
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redline in 4th gear? your nuts magixpuma lol
Old 03-14-2005, 10:34 AM
  #117  
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Angry

put me down for another misfire yesterday. same old routine - CEL goes on for 20 seconds and then goes off and the car drives fine afterwards.

that's 3 in 2 months!
Old 03-14-2005, 06:51 PM
  #118  
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Hmmm???? I just got a response from Mazda and they are going to give me back my car tomorrow. Mazda Irvine said that the CEL coming on in 4th gear at or around 80 mph is a characteristic of the car and there is nothing they can do about it...

Anyone know if this is true? They design the CEL to come on?? WTF?
Old 03-14-2005, 07:12 PM
  #119  
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Dave-Sounds like BS - Why has no one else get a CEL when going 80 ?
Old 03-14-2005, 08:43 PM
  #120  
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That's because Dave is the only one who goes 80.

No seriously, I didn't read in the above post that you replaced the plugs.

Also, with some dealerships having a corrupted M flash, why don't you go to the N flash?

Ok these guys will fix it for you, but you must join the RX8 club.

Go to Browning Mazda in Cerritos (I think it closer to you than Irvine) and tell them that you get a cell light and misfire after the M flash. (Under these conditions the will reflash for free)

Ask them to install the new N flash. Make sure your plugs are NOT fouled and pray that it works.

Is it not possible that the two dealers in your area has the corrupted M flash?
And that Irvine Mazda did not check you PCM? And if they did check it, maybe you still have the corrupted M version.

Ok here's another thought, One guy in this thread reported a burned resistor pack.
I think I have seen this in other threads too. Check to see if this is it.

Oh one last thought. Mazda made the car rich due to EPA and Catalytic longevity.
When a engine runs rich it will miss fire and back fire. They tuned it to work with the current CAT which has a certain back pressure.

Now, by replacing with the high flow Mid pipe with CAT you have created a new situation.

It flows faster and better, so when you back off the throttle it will misfire or back fire.

Did you not say that when you installed the CZ unit that them symptoms improved?

That's due to the CZ A/F map being leaner, which gives more power.

Since it's in your ball park and you have seen an improvement, make sure you don't have any burn't resistors and the plugs are good.

Then re tune it to make it leaner. I recomend calling CZ and telling them your problem.
You installed the CZ unit and it made the car better, but it still happens. Then ask them on how to go about leaning your mixture with the appropiate timing. Of course if you know how, you won't have to call them.

By the way, I never would have brought the car in with the piggyback CZ installed.
I think you were just asking for trouble and that's why the factory tech from Japan looked at your car and said what's this? Then they handed it back to you saying it's normal.

That's just my funny feeling from my previous experience in life.

If the expert says it's normal then maybe he's right. It's normal on the MAZDA PCM map.
Re tune the map. The factory will not retune the map and violate EPA.

Good Luck
Old 03-14-2005, 09:09 PM
  #121  
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Oh there's one guy up North that has a Mide pipe and one guy on the East coast too that have back fire issues too.

A guy in our Rx8 Club just installed a B&B mid pipe. He shoots flame 3 feet from his back fires. He thinks its cool.

Man you can tell Mazda makes our cars run rich. No wonder why they foul plugs.
You stand 4 " behind his exhaust and the fumes will rise up your leg and burn your eyes!!!!!!!!!

On second thought I think your back fire is normal.

The motor is screamming for a tune up. (help me CZ, help me)
Old 03-14-2005, 10:42 PM
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Well.. what I am going to try and do next is to get the CEL light to come on at 50 mph. I have done it before so I know that it will happen again. If I get the CEL light to come on at 50 mph and it's freezed into the memory of the ECU, there is no way they can say it's a characteristic of the car for it to come on at that speed and will be forced to either fix the problem or give me a new car. Thats what I am going to try for next....
Old 03-15-2005, 11:08 AM
  #123  
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They told me this morning that it's a characteristic of the car because of my modifications, yet it never did this before the 30k service. Plus the fact that Mazda technical already has said that my pulley and exhaust wasnt causing the issue so what now? How can mazda technical say that my mods are not causing the issue yet Mazda NA says my mods may have resulted in the CEL?

So either it's over at this point or it's just begining..

I have my car back now...
Old 03-15-2005, 11:17 PM
  #124  
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they're probably hoping that you forget about the problem.

just like "rock in heat shield" or "unable to duplicate customer complaint" on the work order when you bring your car in ...
Old 03-16-2005, 10:37 AM
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Yeah well it's working to a certain degree.. We'll see how it goes from here... The good thing is that I dont notice any performance difference when it's on....


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