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Vans & Minivans Mazda MPV Mazda MPV: Error Codes/TSBs/Recalls
65 messages, Last post on Sep 03, 2009 at 8:08 PM
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Replying to: currier (Jan 16, 2006 4:33 pm) I have 2001 Mazda Mpv with error code po304. I replaced the sparks and the coil, and checked the wires. I concern that I am going to pay more and more money with no results. I red your comments and it looks like it is not easy to fix. Do you solve your problem?What do you recommend to do? Maybe to get rid of the car??/ Thank you- Rafi
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Hi, My 2003 MPV with 92k miles has a check engine light on and is reading codes: P0031 - Bank 1 Sensor 1 Heater Circuit Low P0037- Bank 1 Sensor 2 Heater Circuit Low It has been on for over a month and started blinking so I took it to a mechanic who tuned it up and cleaned the injectors and cleared the codes and said lets see what happens next. Well the check engine light came back pretty quick. I took it to Autozone and had the codes read. I'm thinking to save a little money if you folks can tell me which sensor to replace and where its located. Any help is appreciated. mike
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I have a 2002 Mazda MPV, 105K - new spark plugs, new wires and new air filter. But I have these 2 codes showing up (with the following options/hypothesis) PO174 and PO171: PO171 - Fuel system for bank 1 is too lean, Oxygen sensor recognized a rich or lean condition on one engine bank only 1- Suspect fuel pressure or Mass Air Flow sensor 2- Oxygen sensor defective 3- Ignition misfire-repair 4- Fuel injector problem PO174 - Fuel system for bank 2 is too lean, rich or lean air/fuel ratio condition engine bank two 1- Suspect fuel pressure or Mass Air Flow sensor 2- Failed HO2S21 3- Ignition misfire condition 4- Fuel injector problem Which ones should I ask the mechanic to look at? I don't want to go back and forth the car shop and just have the CEL keep coming back on... Thanks!
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Replying to: aa0526 (Jan 05, 2008 7:46 pm)
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Replying to: 3pawdwolf (Jan 04, 2008 11:36 am) I could not get anymore info so took it back to mechanic and he replaced the 2 sensors pointed to by P0031 and P0037. After clearing the codes it didn't take long for the check engine light to come back on. The mechanic told me it was back on and still reading P0037- Bank 1 Sensor 2 Heater Circuit Low. He suggested I take it to the Mazda dealership as he wasn't sure what to do except replace more O2 sensors. I don't really fault the the guy. So I'm out a total of $550 for the 2 visits to mechanic so far (I put this in for the benefit of those who search these error codes in the future) You folks have any wisdom to share? mike
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Replying to: rafilevi (Dec 26, 2007 7:27 am) Ron |
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Replying to: nls (Jan 06, 2008 2:25 pm) |
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Replying to: 3pawdwolf (Jan 15, 2008 1:03 pm) |
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Replying to: currier (Jan 16, 2006 4:33 pm) |
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Replying to: 3pawdwolf (Jan 15, 2008 1:03 pm) I have a 2003 MPV and also got a check engine light that showed P0037. I checked the code at Autozone, and then paid for the more expensive scan at my trusted garage, which returned the same code - "02 Sensor Bank 1 Sensor 2". Same as you, they want to replace one or two of the sensors for nearly $500. I'm hoping you can tell me how you resolved this issue before I throw too much money at it. Is it resolved? Thanks William
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