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2001 Mazda MPV Error code p0431 makes engine light come on

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THAT CODE IS FOR THE BANK 2 OR FRONT CATALITIC CONVERTER ON THE VAN. YOU CAN HAVE THE DEALER REPLACE IT OR A MUFFLER SHOP CAN DO IT. THE CAT IS A PART OF THE FRONT EXHAUST MANIFOLD AND WILL NOT BE CHEEP TO REPLACE.

Posted on Aug 18, 2009

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2001 Mazda mpv no check engine lights on has gas but lost power after going over a bump pulling into a driveway lights and Windows still have power tries to turn over but acting like not getting gas. fuel...


get the OBD codes read as not always will through up the CEL , i expect you may have jarred something , maybe an o2 sensor so would result in non start ( as an example )

Nov 09, 2014 | 2001 Mazda MPV

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My 2001 Mazda MPV has engine light on when started and blinking while the car is above 40mph. The code is P0303, I changed the spark plugs and new wires. What can go wrong?


recommend you run a compression test. possibly a burned valve or blown head gasket.

Please see my tip at http://www.fixya.com/cars/r6715318-causes_gasoline_engine_misfires . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

Dec 14, 2010 | 2001 Mazda MPV

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I have Mazda Mpv 2002 . check engin light on . and show the code p0102


no such code exists in my generic codes ,neither in my mazda codes

Dec 03, 2010 | 2001 Mazda MPV

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Mazda MPV 2001, code P1518 , and P1512, what is the problem?


After extensive searching and trial and error I found that the cause for the code 1518 on my mazda mpv was caused by the plastic clip that holds the linkage for the intake manifold runner had broke on the fire wall side and the linkage fell out causing the runner to stay open. It is very difficult to see. It is on the front( drivers side) of the engine below the upper intake manifold. Remove the air cleaner box and use a mirror and you can see it. Only about 6 inches long. Replace both clips while you are in there because it is a bear to get to. Check this first before you go through the other items like the egr. Inexpensive repair and my code 1518 and the one for randon miss fire went away never to return. Lots of power again. Good luck. Jim

Aug 30, 2010 | 2001 Mazda MPV

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Engine light on 2001 mpv


Take the vehicle to one of the major auto parts stores and ask them to use their scanner to read the stored fault codes.

Jul 22, 2010 | 2001 Mazda MPV

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My 2001 mazda check engine light is on . I had


Did you have the check engine light reset? Did the light turn back on? You will have to probably install a pressure gauge ahead of each converter and see if one of them is plugged. You can use a pressure gauge in the hole for the O2 Sensor.

Feb 18, 2010 | 2001 Mazda MPV

2 Answers

I have a Mazda 2001 MPV, just had service for o2 sensor and now the check engine light is blinking .


blinking light means engine is misfiring. continuing to drive will severely damage the engine. The O2 should not be related to your engine misfiring

Nov 13, 2009 | 2001 Mazda MPV

3 Answers

I have a 2003 MPV with trouble code PO327 and PO431. What do these mean? Thank you.


P0327 Knock Sensor 1 Circuit Low Bank 1 or Single Sensor
P0431 Warm Up Catalyst Efficiency Below Threshold Bank 2


Sep 28, 2009 | 2003 Mazda MPV

1 Answer

Error code P0431


P0431 Left Hand Warm-up Catalyst System Efficiency Below Threshold.

Jun 27, 2009 | 2001 Mazda MPV

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Engine light blinking in my Mazda MPV


A BLINKING ENGINE LIGHT INDICATES AN ENGINE CYLINDER IS MIS-FIRING. HAVE THE TROUBLE CODES TESTED TO DETERMINE WHICH ONE. DO NOT DRIVE THIS WAY AT HIGH SPEEDS AS IT MAY OVERHEAT THE EXHAUST SYSTEM AND CREATE A FIRE HAZARD.

May 01, 2009 | 2001 Mazda MPV

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