Question about 2004 Mazda MPV

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2004 mazda MPV missing badly at idle in gear cylinder 1 missing

Missing badly when stoped on gear. Had codes checked and they are HO2S 11 and HO2S 11. I'm thinking fuel pump but I can't find the test valve and not sure what the pressure should be.It has 88000 miles.I could be wrong thinking this but it is listed on both codes.I'm thinking if not pump it could be mass air flow sensor. any help would be great. Thanks Rick jerking at idling slow accerating. cylinder #1 is missing.

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Did you change spark plugs and wires? The fuel pump wouldn't cause a miss, and if it was MAF, it wouldn't run at all. It has to be either spark or timing / timing belt.

Posted on May 31, 2009

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SOURCE: 2004 mazda MPV missing badly at idle in gear

I had the same problem. found that one of the vacume house was burned out. Replaced it all okay now.

Posted on May 19, 2009

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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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2004 mazda MPV missing badly at idle in gear


I had the same problem. found that one of the vacume house was burned out. Replaced it all okay now.

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Car missing


Pull all your plugs (one at a time and replace afterwards) and make note of any plugs that maybe black or wet. Do a compression test on those cylinders. You made the plugs hotter with the new coil but the potential flooding amy have just caught up. If this is any help, please check good or fixya. Tahnk you

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