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Mazda MPV Starting/Stalling Problems

55 messages,  Last post on Dec 07, 2009 at 2:32 PM

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What is this discussion about? Mazda MPV, Auto Repair, Van


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#22 of 55
Re: Idle shudder [subearu] by backy
Aug 15, 2008 (6:42 pm)
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Replying to: subearu (Aug 15, 2008 5:53 pm)

Thanks! Sounds a lot cheaper than coils.
#23 of 55
Re: Idle shudder [backy] by jipster
Aug 16, 2008 (4:36 am)
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Replying to: backy (Aug 15, 2008 5:30 pm)

Definitely seems to be a PCV hose. At idle (high vacuum) the symptoms appear, while under throttle (low vacuum) they disappear.
 
There was a recall for some 2002-2003 MPV's for the PCV hose. If the original owner of your MPV did not have this done you could get it done for free under recall. The recall hose was upgraded not to break down as quickly as the old one. So make sure you get the hose with the AJ511389YB part number...not AJ11389YA.
 
Actually if done by the dealer could be just as expensive as a coil. You can still go to Autozone and have them check kyour codes. Sometimes the computer will store a faulty code but the CEL will not come on. If you are sure it is the hose you can tell the dealership to go ahead and replace it and save yourself $95 diagnostics. If a hose is ruptured bad enough you will hear a hissing noise from the very back of the engine. A few parts you have to take off to be able to take a good look at it.
 
The hose is a bit tricky to get to, but you could do it yourself. The hose cost about$70 and labor around another $70... if you have to throw in diagnostics that's a pretty big chunk of coin. Good luck.
#24 of 55
Re: Idle shudder [jipster] by subearu
Aug 16, 2008 (4:49 am)
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Replying to: jipster (Aug 16, 2008 4:36 am)

But even that replaced hose has had some issues. The hose has gone through a couple revisions it seems. So, you could have had the hose replaced under the recall and now need it again.
 
-Brian
#25 of 55
Re: Idle shudder [subearu] by jipster
Aug 16, 2008 (7:27 am)
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Replying to: subearu (Aug 16, 2008 4:49 am)

The PCV hose part # I listed, that ended in "YB" is the latest in PCV hose improvements. That's the one backy wants.
 
If the hose has already been replaced under recall, with the old "YA" hose, then I would ask the dealership for some "goodwill", as Mazda is obviously using (used) substandard/poorly designed PCV hoses.
#26 of 55
Re: Idle shudder [jipster] by backy
Aug 16, 2008 (9:26 am)
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Replying to: jipster (Aug 16, 2008 7:27 am)

Thanks, everyone--very, very helpful! I'll probably take it to the dealer, since I need that (free) oil change anyway, and plead for the "goodwill" if it turns out the part has already been replaced. According to the service invoices I get from them, they are supposed to have checked for recalls at each service (and didn't find any open ones), so it's unlikely this hose hasn't been replaced before. Also the prior owner had the van serviced at the same dealership.
#27 of 55
2005 MPV by alvieandtara
Aug 18, 2008 (4:31 am)
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For our problem, it was actually the IAC valve (Idle Air Control Valve). A $70 part that took 2 seconds to replace and the problem was fixed! It was reading at 12.5 volts when it should've been between 8 and 10.
#28 of 55
Check engine light goes on in the rain by notagain3
Aug 19, 2008 (10:35 pm)
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About 2 months ago, after some heavy rain, my 2001 MPV engine started to shudder and the engine light came on. On the first visit, the dealer replaced the distributor, but did not solve the shuddering completely. On the second, my husband heard a hissing sound, so they replaced the PVC hose. After the recent heavy rain, the engine light came on again with slight shuddering. What can we do next? Thanks for any help.
#29 of 55
Re: Check engine light goes on in the rain [notagain3] by jipster
Aug 20, 2008 (4:04 am)
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Replying to: notagain3 (Aug 19, 2008 10:35 pm)

Sounds like a bad coil pack.
 
If you have an autozone in your area you can have your codes checked for free.
#30 of 55
Re: Check engine light goes on in the rain [jipster] by bartonb
Sep 12, 2008 (9:58 am)
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Replying to: jipster (Aug 20, 2008 4:04 am)

jipster (or anyone else who knows),
We just had our lower PCV hose replaced on our 2002 MPV LX. We bought the van used in late '03/early '04 with low mileage, but it is now of course no longer under warranty. We did not get any notification about a recall (although we did have something else replaced as a recall a good while back).
 
So 2 questions:
1) The shop told us they had to remove the plenham (manifold) gaskets on the engine in order to be able to get to the PCV valve to replace it and so those gaskets were replaced. Is that correct? (If not, I have a major bone to pick with them 'cause it cost more to replace those than the pcv hose)
 
2) Given how long it has been since the warranty expired, would this repair have been covered? Even if the answer would've been yes, I guess it is too late since I'm sure a Mazda dealership would have had to do the repair as a recall, or?
 
Thanks!
#31 of 55
Re: Check engine light goes on in the rain [bartonb] by jipster
Sep 12, 2008 (12:33 pm)
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Replying to: bartonb (Sep 12, 2008 9:58 am)

1) The shop told us they had to remove the plenham (manifold) gaskets on the engine in order to be able to get to the PCV valve to replace it and so those gaskets were replaced. Is that correct? (If not, I have a major bone to pick with them 'cause it cost more to replace those than the pcv hose)
  
2) Given how long it has been since the warranty expired, would this repair have been covered? Even if the answer would've been yes, I guess it is too late since I'm sure a Mazda dealership would have had to do the repair as a recall, or?

 
I'm not an expert, so maybe someone else can chime in with the details. I've never read of anyone having to replace any gaskets to replace the pcv valve or hose. You had both the hose and valve replaced? The PCV hose was initally under a recall in 2002 (?). It was replaced with what some feel was still an inferior hose, which is not currently under recall but has been replaced with a newer redesigned hose, the one that was probably just installed in your van. I'm guessing your 2002 MPV had the PCV hose replaced under recall before you bought it. You can check by calling your local Mazda dealership and giving them you vin number. They can also check on what recalls were done and if any are still required.
 
I've read a good tech can remove a pcv hose/valve without taking off the intake manifold. But, some dealerships will remove it... guess this was a judgement call that favored the dealership.
 
Even though your van is out of warranty, any recall work that hasn't already been done... must be done free of charge by the dealership.

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