Question about 2002 Mazda MPV

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2002 mpv when <20 degrees runs & shifts rough code P0113, more

Had many problems resulting in the replacement of MAF, ECT, throttle valve, cam position sensors, idle solonoid, PVC hose and valve and just for hahas all the ignition coils and intke/plenum gaskets.

Finally got it to run nice and then on the first cold day it idled and ran rough, shifted very hard, the CEL, battery, and TC off lights on the dash came on, the OVD off light started blinking, and code P0113 was thrown. Once the sun came out and it warmed up above 20 degrees, it started to run fine and all the lights on the dash went out. Replaced the MAF with another on the next cold day in case we had a bad one - but same problem. The engine warms up fine and maintains steady temp so not thinking its the ECT.

I am a bit concerned as the aftermarket MAFs did not fit int he original intake housing. Finaly had to buy a $180 unit from carquest that was supposedly OEM - it still ahd the bigger MAF - but came with a complete new intake housing that fit between the air filter and the throttle body. Could this new MAF be the wrong one for this year? Any other thoughts? Running out of options and nearesdt Mazda dealer is 60 miles away.

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  • Lisa Lujano Jan 07, 2009

    I'm having a similiar problem. I have had the engine light on for some time. My codes have come up showing the PO113 and the MAF, coil, etc. I've changed the coil, pcv hose. Just recently when I engage the car in reverse the battery light and the O/D off light blink on and off.it occasionally has some rough shifting. It's gotten chilly around here but San Antonio doesn't really get super cold. Let me know if you find the fix - all solution.



    Good Luck.



    Lisa L.



  • dwilds Jan 09, 2009

    I am having the exact same problem. We were told by a Mazda dealer that it was the alternator - $700 dollars later - lights still are coming on. Now our mechanic told us to go back to the dealer and see if the computer needs to be 'flashed'. Or, we would need a new PCM (I think this is the name) and it will be $500 used or about $1100 new just for the part.

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6 Suggested Answers

Ticodude
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SOURCE: #5 cylinder misfire

I have a corolla and had #4 cylinder misfire also diagnosed at autozone. After changing the spark plugs, problem persisted, along with the same error code, so they recommended changing the spark plug wires, and that is what fixed it. I would have changed the rotor cap too, but was low on dough. Glad that was not the problem.

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SOURCE: Mazda 6 cold air problem

did you have a air flow sensor on the factory air intake you removed?
if so you will need this part connected to your ram pod outher wise the car wont run properly

Posted on Jan 02, 2009

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SOURCE: 2003 Mazda MPV ES that idles very rough when warm

that means could be vacuum leak

Posted on Jan 10, 2010

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SOURCE: I have a 2003 Mazda MPV , the problem only happen

I ahve same issue with my 2004 MPV. I replaced the plugs, coils etc. No help.

did you ever get it fixed?

Posted on Mar 24, 2010

  • 1 Answer

SOURCE: My '01 Tribute V6 3.0 has a rough idle at a cold

I had the same cold start/ rough idle problem. The dealer spent 6 different sessions on this, costing me about $1800 total, before I saw the online discussion of lower intake manifold gasket. The shop was skeptical, but I authorized the gasket replacement alone (they wanted to replace the PCM!) That was it! Unfortunately they refused to adjust the unneeded repairs, parts and diagnosis even partly, but the cold start problem is solved, and my Mazda has a lot of new parts, sigh!

Posted on Apr 07, 2010

TDISLine
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SOURCE: 2002 Mazda MPV 6 cylinder Lx van. Check engine

You might access the Engine Control Module (ECM) using diagnostic equipment connected to the data link connector of the car, in order to pull out all Diagnostic Trouble Codes (DTC) memored. Also through "parameters measurements" menu check the upstream & downstream oxygen sensors voltage values - for bank1 & bank2 of V6 engine. For upstream oxygen sensors you should have a permanent fluctuation of voltage between 0,1 Volts and 0,9 Volts. For downstream oxygen sensors you should have a constant voltage value around 0,4 Volts. I suspect bad upstream oxygen sensor(s), but obligatory scan first the ECM memory and check oxygen sensors voltage!

Posted on Dec 09, 2010

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2006 cts 2.8 making loud ticking noise ,running rough and has misfire codes po300,301,303,305


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P0113 Intake Air Temperature Circuit High Input


Low temperature results in a high signal voltage. When the PCM sees a signal voltage higher than 5 volts, it sets this P0113 check engine light code.

P0118 - The engine coolant temperature (ECT) sensor is a thermistor screwed into a coolant passage in the cylinder head. Sensor resistance is high when coolant temperature is low and resistance drops when coolant temperature increases. The powertrain control module (PCM) provides a 5 volt reference and a ground to the sensor. The PCM monitors voltage drop to determine coolant temperature. If the ECT reads less than freezing temp. when engine has been running for more than a few minutes, the PCM determines a circuit fault and sets this code. Or if the PCM determines the sensor resistance is out of specs, this code is set.
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  • Very poor fuel economyicon1.png
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Causes

A code P0118 may mean that one or more of the following has happened:

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  • A short in the voltage feed between the sensor and the PCM
  • A bad PCM (less likely)
  • A bad temperature sensor (shorted internally)

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0996b43f80203328.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Component Location Chart-2000 MPV

1 PCM 2 Mass air flow (MAF)/intake air temperature (IAT) sensor 3 Throttle position (TP) sensor 4 Fuel tank pressure sensor 5 Engine coolant temperature (ECT) sensor 6 Crankshaft position (CKP) sensor 7 Camshaft position (CMP) sensor 8 Knock sensor 9 Heated oxygen sensor (HO2S) (front, LH) 10 Heated oxygen sensor (HO2S) (front, RH) 11 Heated oxygen sensor (HO2S) (rear, LH) 12 Heated oxygen sensor (HO2S) (rear, RH) 13 EGR boost sensor 14 Power steering pressure (PSP) switch 15 Main relay


0996b43f8020330c.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Component Location Chart-2001 MPV

1 PCM 2 Mass air flow (MAF)/Intake air temperature (IAT) sensor 3 Throttle position (TP) sensor 4 Engine coolant temperature (ECT) sensor 5 Crankshaft position (CKP) sensor 6 Camshaft position (CMP) sensor 7 Knock sensor 8 Heated oxygen sensor (HO2S) (front, LH) 9 Heated oxygen sensor (HO2S) (front, RH) 10 Heated oxygen sensor (HO2S) (rear, LH)* 11 Heated oxygen sensor (HO2S) (rear, RH)* 12 EGR boost sensor


0996b43f8020330f.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Component Location Chart- 2002-06 MPV

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the IAT sensor is part of the Mass Airflow sensor. here is a picture of that sensor.

5787058.jpg

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