- #8168 of 8192
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Key - Ignition problem
by mcadrecha
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Jul 30, 2009 (8:52 pm)
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Oops, forgot to say I have a 2002 Mazda MPV.
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- #8169 of 8192
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Re: Key - Ignition problem [mcadrecha]
by tcc21
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Jul 30, 2009 (9:53 pm)
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Replying to: mcadrecha (Jul 30, 2009 8:52 pm)
I have a 2003 MPV with 126K miles on it. Sometimes mine will get stuck for a moment but I jiggle it or shake the steering wheel and it comes around and out. It could be a worn tumbler or worn key too. How many miles on it?
Other issue for me - I keep having the CHECK ENGINE LIGHT come on and have had it cleared about 10 times - no kidding. The message comes up that my 2nd Bank has a Catalytic problem?? Replace converter? Ugh! Runs fine and no change on mileage for gas. I'm just leaving it for now. They said it would just keep running fine but I would not pass emissions testing if we did that again. Anyone ever have THAT issue with these lovely beasts?!?
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- #8170 of 8192
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Ignition coil fouled when it rains...
by jdelg
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Aug 01, 2009 (12:10 pm)
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I have a 2004 mpv, and I have replaced 4 ignition coils, and the mass air sensor. Everytime it seems to have happened while raining, or just after raining. From what i've seen this is common to the mpv. will this just keep happening? or is the flaw in the original coil, and trouble is cleared with replacing the part. I really can't afford a new van right now, but I'm worried because my wife uses it to drive my young children around. I'm just not trusting it anymore, as it has broken down from this trouble. Anyone relate to this? Any advice? Has anyone ever found a way to waterproof these coil/plugs?
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- #8171 of 8192
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Re: Ignition coil fouled when it rains... [jdelg]
by budmantom
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Aug 01, 2009 (12:19 pm)
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Replying to: jdelg (Aug 01, 2009 12:10 pm)
I have read that the rear coils generally go out 1st because of the heat, when mine go out I'll replace all 6 at the same time.
I haven't read much about the MAS and I'm not sure it's related.
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- #8172 of 8192
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Re: Ignition coil fouled when it rains... [jdelg]
by tcc21
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Aug 01, 2009 (2:47 pm)
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Replying to: jdelg (Aug 01, 2009 12:10 pm)
I have a 2003 and it's common. I just let it dry out and it seems find until the next major rain or I wash the engine off. I had it checked a couple times. They said one of the front coils could be replaced - about $200 labor and parts...but I put it off. It runs fine 90% of the time. It's happen since it was new. Drove in a terrible downpour and it started sputtering on the ride home. I just lived with it for a couple days and it dried out. I think it's a combination of the compartment design and what they are. My more major issue is my catalytic converter and it's related sensors. I've had my check engine light come on numerous times due to a 'left front bank #2 issue with a mix/lean cold something. I have it cleared and it pops on about once a month. I will not replace the catalytic converter until the car quits. My mileage contines to be the same - good and it runs smoothly. We'll see. Lot's of crazy things with these MPV's.
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- #8173 of 8192
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Re: Ignition coil fouled when it rains... [tcc21]
by jipster
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Aug 02, 2009 (1:16 pm)
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Replying to: tcc21 (Aug 01, 2009 2:47 pm)
The front coils (#4,5,6) are easy to remove, shouldn't take 10 minutes. You could do it yourself for the price of a $69 coil bought online. The $200 price you speak of probably includes the dealerships diagnostic fee of $99.
First coil of mine went out in a torrential downpour, the second... not sure... may not have been raining.
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- #8174 of 8192
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Re: Ignition coil fouled when it rains... [jipster]
by budmantom
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Aug 03, 2009 (6:48 am)
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Replying to: jipster (Aug 02, 2009 1:16 pm)
You can also purchase the coil packs on ebay for $120-185 shipped depending on the manufacturer and both have received good reviews on the MPV forum, they also have a great article on how to do-it-yourself.
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- #8175 of 8192
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Re: Key - Ignition problem [tcc21]
by aa0526
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Aug 03, 2009 (7:11 am)
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Replying to: tcc21 (Jul 30, 2009 9:53 pm)
I HAD the same exact symptoms on my 2002 Mazda MPV back at 112K miles.
I brought it to two different mechanics.
The problem with OBDII codes is --- they don't really describe the root cause. They describe the problem / general area... which is a good starting point.
But it is up to the mechanic to further do investigations.
Anyway - the first mechanic replaced all the plugs, did a change oil etc ... and cleared the codes. The codes did disappear ... only to reappear after 9K miles.
The second mechanic CLEANED the MAF sensor --- the codes disappeared.
After 5K, the codes came back - I CLEANED the MAF sensor on my own (with instructions from the mechanic), the codes disappeared. He did tell me that if it appeared one more time, it was time to REPLACE the MAF sensor ... which I did 6 months later.
The CEL came back again ... but it was for the leak in the PCV valve.
The CEL come back ON/OFF when I drove at high altitude during a snow storm. It has disappeared and has never come back on again.
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- #8176 of 8192
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Re: Key - Ignition problem [mcadrecha]
by steve54a
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Aug 12, 2009 (4:46 pm)
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Replying to: mcadrecha (Jul 30, 2009 8:51 pm)
I experienced a similar problem a few years ago with my 2000 MPV. In my case it was an interlock that interfaces with the ignition switch. In my case the switch would go to the off-lock position if i disconnected the battery. I also note that there is a small cap on the plastic steering column cover above the ignition switch. Te cap should pop out and this should provide access to release the interlock manually and then you should be able to turn off the key. I believe the repair cost was ~$150 at the dealer. Although they originally tried to sell me an ignition switch, they eventually did the honorable thing and just replaced the interlock.
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- #8177 of 8192
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Re: Ignition coil fouled when it rains... [jdelg]
by buzzk
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Oct 11, 2009 (6:10 pm)
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Replying to: jdelg (Aug 01, 2009 12:10 pm)
we had the same problem w/our 2004 MPV; code reader [98 bucks from chain discount store - well worth it!] said it was #1 cylinder [most exposed to rain]; I pulled it, as it can be easily reached, & in my judgement the design was blisteringly stupid; it had a VENT hole, for cryin' out loud!! that is SILLY! - lets rain vapors get in there & short out the spark. I've worked on other, similar systems o&o over the years & they ALWAYS sealed the spark plug well against moisture; I cleaned it & plugged it w/silcone,which stopped the problem. then I got a complete set of new coils off e-bay [cheap] which seal around the raised lip at the top of the plug well in the normal, rational, manner & have not had the problem return. [we love the car but have other problems at this time - will ask abt them in a different blog]. Get new coils which are configured to cover, & seal, the raised lip at the top of each spark plug well. they're a pain to install due have to remove intake manifold, but,w/patience, easily done. it's worth it.
Cheers, BK
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