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Mazda MPV Electrical System/Lights

37 messages,  Last post on Dec 04, 2009 at 8:32 PM

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What is this discussion about? Mazda MPV, Electrical, Van

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#26 of 37 Re: Headlights Turn On For no Rreason [shwoogy] by steve_ HOST Apr 02, 2009 (11:30 am)
Replying to: shwoogy (Mar 17, 2009 1:00 pm) Please reply to   Please keep the conversation here so everyone can benefit. Thanks!   Steve, visiting host
#27 of 37 My MPV 2003 - Coils? by tcc21 May 18, 2009 (8:50 pm)
Hello All! I have not posted in a bit about MY problems - latest is the CHECK ENGINE light coming on again! Two times in the past 2 weeks - once for a misfire on #4 plug. Took to my trusty local service person who said it may get moisture in the coil assembly due to a bad rubber seal? We decided against doing anything, resetting the light and it seems fine now. It did stumble for one day but finally dried out I guess. Ugh! This has happened off and on since I got this unit new in 2003. It usually happens in a heavy rain where all of a sudden the engine will start stumbling until it dries out again. Great Mazda design I guess?? Second Check Eng. Light came on again - this time due to a "Random Misfire". Could not pinpoint which location it was though. This rig is a bundle of puzzles and mysteries for sure. When it runs it is sweet yet - after 122K miles!! When it starts acting weird, I get nervous and think I'm on borrowed time! Anyone else out there have this stuff happen to you? Anyone still have their MPV after this many miles??? I think I'm getting to be in no man's land now!! Many of the people who use to post here are long gone now due to selling off these puppies! Thanks, TCC Replies to this message: jipster (May 20, 2009 10:12 am) itsmylastmpv (Jun 15, 2009 8:21 am)
#28 of 37 Re: My MPV 2003 - Coils? [tcc21] by jipster May 20, 2009 (10:12 am)
Replying to: tcc21 (May 18, 2009 8:50 pm) You probably need to go ahead and replace #4 coil. You don't want to be out in a heavy downpour, or on a trip, and have it start acting up. It's easy to replace 4,5 and 6 coils.   Many of the people who use to post here are long gone now due to selling off these puppies!   A lot joined the MPV Club and still own their MPV's.
#29 of 37 engine light on by jag09 Jun 10, 2009 (3:10 pm)
i have mpv 2004. after gas near empty light was on and i fill up its tank but after driving about 3-4 kms the engine check light came on, i checked the fuel cap and retightened it . but it still stays on, checked the engine oil found on min. level . Any one know what can go wrong, has there any shop in canada which do free scan, thanks
#30 of 37 Re: My MPV 2003 - Coils? [tcc21] by itsmylastmpv Jun 15, 2009 (8:21 am)
Replying to: tcc21 (May 18, 2009 8:50 pm) SAME PROBLEM!!! The dealer acts as if I am crazy. I ended up changing out the #4 plug/coil. I've had several quirky issues with this MPV, which will be my last. There is an electrical problem with my MPV and now I suspect that it is common among the 2003-2004 model years. Now, my A/C is draining the life out of my second battery in 5 years. I feel as if I am treating symptoms because Mazda and its service providers cannot figure out the actual cause.   I'm selling as soon as this latest issue is resolved.
#31 of 37 Re: Help! Lights, electrical, harness, insurance issues! [aegsm76] by minichrt Jul 04, 2009 (7:22 pm)
Replying to: aegsm76 (Jan 04, 2008 7:38 am) We have the exact same issue with our 2001 MPV how was your issue resolved? The dealer wanted 3000 to fix ours as well. This certainly should have been a recall as a major safety issue.
#32 of 37 Re: ignition system [engtech] by buzzk Oct 11, 2009 (4:10 pm)
Replying to: engtech (Aug 11, 2008 10:43 am) We had the [sometimes dramatic!] 'bucking" problem, also called "rough shiftting," when our 2004 MPV was about -or less than- a year old; we were told somewhere, I can't remember exactly, [but NOT by Mazda!], that it was a software problem & the dealers had a "software fix" that would work; We took it to the local dealer, who knew about it, and told us they installed that "software fix" & it generally has worked well since then. A little later, we also had them put in a new, supposedly very sophisticaed synthetic trannie fluid from BG. can't say that it's done anything we notice, but the tranny works well so far & their claims *sound* impressive. In the past I've used one of their products for manual trannies I thought was very impressive. the autotranny fluid is, however, fairly expensive.. anyway, the software fix really should work, try it & let us know, OK?.   cheers, BK
#33 of 37 All Dashboard warning lights are on by mitch65 Nov 11, 2009 (2:54 pm)
After my mechanic fixed a couple of things related to a check engine light, some sensor problem I believe, all the warning lights on the dash stay on continuously now. He said it was probably that the computer needed to be reset and said it would probably be $100 to have Mazda do it. Does this sound right? Anyway I can do something about it myself? Is it fuse related? It's a 2002 MPV LX, original owner, about 70k miles. Thanks!
#34 of 37 Cant get answers anywhere. by mailsom Nov 17, 2009 (5:45 am)
Hi New to this too. Got a Mazda MPV 2003, 2ltr Deisel. Have had since 04. Problems. Electrics, driver window stuck down, had motor ,regulator and control unit replaced window now fine £700 later. However cental locking system had been playing up before this , key fob no longer works despite battery change, F passenger door lock dodgy, alarm goes off 90% of time on unlocking front doors, is only fine from rear. Mechanic had reckoned control unit replacement would possibly help but it didn't. Any ideas? Also excessive engine oil usage ,1 ltr per week approx. alot of smoke discharge from exhaust white and black on starting& acceleration. This despite oil & filter changes and additives to oil and fuel. No leak. ?
#35 of 37 2005 mazda mpv idle problems by vclsmith Nov 22, 2009 (2:12 pm)
My Mazda is idleing very high when started. RPM is up to 1.5 and will not idle down at all. Did anyone have this proble before?

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