Author Topic: Engine warning light problem  (Read 4867 times)

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Offline tobytyke

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Engine warning light problem
« on: October 29, 2009, 11:43:45 PM »
I hope someone can help!  The engine warning light comes on and the speedo does not work.  I have had one ABS sensor changed and a new car battery but the problem is still there.  My Mazda 3 is a 2005 model 1.6 hatchback with only 23,100 miles on the clock.
Does anybody have any ideas what could be wrong before I end up having to have the PCM changed - which is going to cost an arm and a leg!

Offline neeldub

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Re: Engine warning light problem
« Reply #1 on: October 29, 2009, 11:47:45 PM »
where abouts in the country are you mate? if you're in london.. i wouldnt mind pluging in my laptop to get the fault codes for ya :)
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Offline tobytyke

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Re: Engine warning light problem
« Reply #2 on: October 29, 2009, 11:55:05 PM »
where abouts in the country are you mate? if you're in london.. i wouldnt mind pluging in my laptop to get the fault codes for ya :)

I'm in Barnsley so a non-starter but thanks anyway.  I have had it into the dealer who cleared the fault off the system after the battery replacement today but it has since come back.  They have been in touch with Mazda who have mentioned doing some sort of manual overload of the system data?  It began as an intermittent problem but was then showing as a permanent problem with the only option to change the PCM.  I have just had a look to see what it said on the paperwork and it was saying the car had lost com with ABS.

I wish I knew what I was talking about lol!!!!

Offline neeldub

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Re: Engine warning light problem
« Reply #3 on: October 29, 2009, 11:58:42 PM »
did the dealer give you the fault codes??

i can look up the problem if you have them..

cheers
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Offline tobytyke

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Re: Engine warning light problem
« Reply #4 on: October 30, 2009, 12:05:57 AM »
I'm sorry I don't have it!  If it is worse case scenario with the PCM do you think Mazda would show some sort of goodwill gesture?  The car is very low mileage and has a full service history!

Offline neeldub

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Re: Engine warning light problem
« Reply #5 on: October 30, 2009, 12:44:25 AM »
I'm sorry I don't have it!  If it is worse case scenario with the PCM do you think Mazda would show some sort of goodwill gesture?  The car is very low mileage and has a full service history!

they'll only offer a certain percentage towards a new PCM if you've owned the car from brand new.. otherwise dont expect no help from them..

the fault codes will really help in diagnosing the problem.. any chance you can ask the garage to write down the codes for you?
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Offline tobytyke

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Re: Engine warning light problem
« Reply #6 on: October 30, 2009, 08:48:16 AM »
FAO Administrator I believe the fault code is P06010 if you can help?

Offline neeldub

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Re: Engine warning light problem
« Reply #7 on: October 30, 2009, 09:16:55 AM »
FAO Administrator I believe the fault code is P06010 if you can help?

hi do you mean 'P0601'?? the one you supplied isnt coming up..

the error 'P0601' indicates a PCM check sum error and does indeed indicate a faulty ecu.. how does the car drive though? any performance or economy issues?

try you luck at some breakers yard for a new ecu.. you can get them for cheaper than dealers.. only issue will be to get the whole immobiliser system reseted to work with the new ecu.. but if you take your car to an independent garage who have the ford IDS diagnostics kit.. they can do that for you..

let us know how it goes.. cheers
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Offline tobytyke

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Re: Engine warning light problem
« Reply #8 on: October 30, 2009, 11:46:04 AM »
There are no other issues with how the car drives.  It is going in to the dealer for a manual data overload and update next Tuesday to see if it gets rid of the fault.
As far as the breaker yards are concerned the car is no longer under warranty so it would not affect that - if it comes down to changing the PCM what should I be asking for?

Offline tobytyke

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Re: Engine warning light problem
« Reply #9 on: October 30, 2009, 03:34:51 PM »
I have spoken to a Mazda specialist garage in Sheffield and the guy there has said that there is a common fault on 54, 05 and 55 Mazda 3's.  It is something to do with the ABS pump which is the part of the pcm that would need changing.  Surely if this is a common fault Mazda should have some sort of recall policy?  He has said that, if it is required to be changed, I could buy from a breakers yard but may be inheriting the same or worse problems further down the line.
Has anybody else had this sort of problem?

Offline K13 RFF

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Re: Engine warning light problem
« Reply #10 on: October 30, 2009, 06:57:12 PM »
wooo bloody heck mate i hope ya manage to get something sorted. i agree with you like, surely if its a common problem they should be recalled. i think companies only recall cars if the fault is endangering the owners/users of the car. anyway to get more money out ya really.

i had trouble with my focus with the engine light on and off constantly had it on the computer and came up with a list of faults, inclucind possible turbo trouble, hence why it went and i bought myself a mazda :D
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Offline tobytyke

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Re: Engine warning light problem
« Reply #11 on: November 03, 2009, 05:28:04 PM »
The car went in today for a data upload and it seems to have cured the engine light and speedo.  The dealers have rung me to say they want it for another day whilst Mazda get back to them for the solution as to why the traction control light is now on and showing a 'u' intermittent fault.
I'm getting really fed up with all this now!!!

Offline tobytyke

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Re: Engine warning light problem
« Reply #12 on: November 04, 2009, 09:35:50 PM »
Well, I have got my car back after it has had two days at the dealership and I am not a happy bunny!!!  They carried out an overload on the data which cleared the engine light and the speedo was working but the traction light was on.  They did some more work on it today and the engine light and traction light were both on and the speedo was again not working.
They now state that the only option is to change the PCM and they are already giving excuses over any goodwill gesture.  I have not had a home town Mazda dealership until this year but the service history has been kept up to date and Mazda parts fitted.  This is now being touted as a potential stumbling block for any gesture!
What worries me more is can this new PCM be guaranteed to solve the problem - I am now searching for any auto electricians in South Yorkshire that could give a second opinion and possibly carry out the work needed.  My only other alternative is to get rid of the car - something I am seriously considering as I have lost all faith in the Mazda brand.

Offline tobytyke

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Re: Engine warning light problem
« Reply #13 on: November 06, 2009, 07:59:06 AM »
Well, I am off to do battle with Mazda this morning in an attempt to get a goodwill gesture.  I am disgusted that Mazda (which is now owned by Ford) have seen fit to put a Ford ECU in the vehicle - I have spoke to several experienced auto-electricians who have stated that this is a problem that is occurring quite a lot.
If I don't get the answers I want then my days of owning a Mazda (or should I say Ford in disguise) are definitely numbered!

Offline neeldub

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Re: Engine warning light problem
« Reply #14 on: November 06, 2009, 11:51:44 AM »
if you cant get a satisfactory answer from mazda, then might be best to sell your current car and get another 3 maybe? just a thought..  :-\
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Re: Engine warning light problem
« Reply #14 on: November 06, 2009, 11:51:44 AM »