Question about 1997 Mazda MPV

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Hi,I have a 1997 mazda mpv 4x4 ,the engine do like a misfire ,every time ,the engine ligth is on ,the scanner sed somthing diferent : O2,MAF flow sensor,catalitic converter,after change ,the problem still there,also I change the wires,rotor ,all distribuitor,put inyector cleaner,spark plugs(twice),the misfire still there,can? be 1 inyector ,when I change the spark plugs ,I see 5 are coffe/milk color and 1 is '' WITHE ''. The compresion is 170/160 in all cylinders. tank you ,George.

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Swap the PCM, and see what comes out. These guys have two computers at least. One controls the 4X4, the other controls the engine. The PCM is under the foot carpet of passenger side.

Posted on Nov 19, 2009

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1 Answer

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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

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

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5787058.jpg

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