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Mazda MPV: Error Codes/TSBs/Recalls

65 messages,  Last post on Sep 03, 2009 at 8:08 PM

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What is this discussion about? Mazda MPV, Van


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#46 of 65
Re: Engine Rough Idling at Neutral [jipster] by aa0526
Dec 04, 2008 (1:55 pm)
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Replying to: jipster (Dec 02, 2008 6:53 am)

My MAZDA MPV 120K --- which has the rough idling at neutral ---- has the CEL now lit. Will bring it to the shop ...
Will ask them to check the following:
1. PCV hose
2. IAC valve
3. ignition coil
 
Just curious ... how much would the labor for any of these be TYPICALLY?
How long will replacing these take?
 
Need to get a budget for this ... Thanks!
#47 of 65
Re: Engine Rough Idling at Neutral [aa0526] by jipster
Dec 04, 2008 (8:01 pm)
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Replying to: aa0526 (Dec 04, 2008 1:55 pm)

A new PCV hose at the dealership is around $79. Some members at the MPV club have jury rigged other hoses to fit for less money. Some mechanics(the good ones) can put on a PVC hose without taking off the intake manifold. Most mechanics will take the intake off, which takes about an hour and half of labor. Most dealerships charge around $110 an hour for labor. You could take it to an independent shop for much less.
 
Don't know about the IAC valve.
 
Ignition coils are about $90 at dealership. You can buy them on-line for about $60. If the defective coil is on cyclinder #1, 2 or 3, then you're looking at big bucks, as the intake manifold must be taken off. So, you're again looking at an hour and a half to two hours of labor.If the defective coil is on cylinder 4,5 or 6 (the front cylinders closest to the radiator) then it is fairly simple... about 5 minutes. Pop off the engine cover and there they are.
 
If it's a bad rear coil, have them check the PCV hose while they are in there.
Good luck.
 
Oh... to diagnose the problem, dealerships usually have a $70-$90 diagnostic fee.
#48 of 65
Re: Engine Rough Idling at Neutral [jipster] by aa0526
Dec 06, 2008 (11:30 pm)
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Replying to: jipster (Dec 04, 2008 8:01 pm)

Problem solved!
 
The PCV hose needed to be replaced.
The Mass Air Flow Sensor needed to be replaced too. This was the 3rd time this caused problems --- each time, I just had it cleaned.
 
Initially - the mechanic was looking at replacing all the ignition coils --- we went back and forth --- he finally agreed to look at the PCV hose ---- I was right. It was a good thing the mechanic was very honest.
 
So --- PCV hose + MAF Sensor --- plus, I got new spark plugs and oil change .... van runs great again.
 
BTW --- the mechanic refuses to install my after market BOSCH +4 Ytrium plugs. He said Mazda swears against them. This is the 3rd time I've heard this... so I need to return these to Kragen now...
 
What's wrong with BOSCH spark plugs? He said they are 'no good' for Mazda cars and vans.
#49 of 65
Re: Engine Rough Idling at Neutral [aa0526] by jipster
Dec 07, 2008 (12:47 pm)
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Replying to: aa0526 (Dec 06, 2008 11:30 pm)

How much were you charged for the PCV hose and MAF sensor?
 
I've heard Bosch was weak also. It's a Ford engine so, Motorcraft (OEM) or NKG plugs are the best.
#50 of 65
Re: Engine Rough Idling at Neutral [jipster] by aa0526
Dec 09, 2008 (3:19 pm)
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Replying to: jipster (Dec 07, 2008 12:47 pm)

This data is from SF Bay Area...
 
1. Parts - $ 360
- MAF sensor - $180
- PCV hose - $82
- Spark plugs - $36
- Other parts (2) - $40
 
2. Labor - $260 (includes oil change and install new spark plugs)
 
The error codes were PO 300 and PO 171 (lean air mixture).
There was one more but this was due to PO 300 and PO 171.
--------------------------
I still don't understand why BOSCH plugs are crap ... I'll use them on my Lancer instead... maybe that will work.
#51 of 65
Re: Engine Rough Idling at Neutral [aa0526] by classicsplayer
Dec 10, 2008 (6:53 pm)
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Replying to: aa0526 (Dec 01, 2008 3:50 pm)

i needed to replace my vacumn hose assembly to correct the same problem
#52 of 65
2003 MPV is this a crappy vehicle? by dannyyo
Jan 07, 2009 (11:35 am)
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I've had this 2003 MPV for almost 6 years now. Have about 72K miles on it and it's had a lot of issues. At 44K miles the "check engine light" came on"....Diag code p2404, internal failure of liquid purge box, It was replaced under warranty, the whole thing would have cost $677 if it wasn't for the warranty. At 45K miles I had to replace the water pump for $270. It also had the "recall" work done back in 2004 for 2204H PCV, SSP6 Fan control module. I have a '02 Honda Accord with 150,000 miles on it and the only major service was done at 100k and nothing else besides the regular maintenace (oil change, tire rotation, etc). In comparison MPV is terrible...well it is a "Ford"!!! I regret buying it and I should have paid extra for the Honda Oddsey or Toyota Sienna. Has other people experience lot of issues with their MPV? It's a great looking minivan, but it seems unreliable.
#53 of 65
Re: 2003 MPV is this a crappy vehicle? [dannyyo] by subearu
Jan 07, 2009 (1:48 pm)
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Replying to: dannyyo (Jan 07, 2009 11:35 am)

Unreliable would mean that it has been out of service for failures or issues that impede operation. Recalls or Special Service Programs aren't indications of reliability. Also, the motor is a Ford Duratec, but the rest of the van is made in Japan, including the JATCO tranny.
 
-Brian
#54 of 65
Re: 2003 MPV is this a crappy vehicle? [dannyyo] by jipster
Jan 07, 2009 (5:28 pm)
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Replying to: dannyyo (Jan 07, 2009 11:35 am)

3 repairs in 6 years doesn't sound too bad to me.
 
I've been happy with my 04 MPV thus far.
#55 of 65
by dannyyo
Jan 08, 2009 (8:23 am)
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I forgot to mention that when I got the warranty repair, they had to tow the minvan from my house to the dealer because it blew black smoke then died. My experience with Nissan Sentra and Honda Accord have been great, no issues at all until 100k. So in comparison MPV's been terrible. My wife and I thought about getting rid of it.
 
Brian, one of the mechanics that fixed the water pump told me that it was only designed by japan and all the mechanical part are US(ford) made.

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