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2003 Mazda MPV EX 3.0L Poor Idle Quality, Surge
Posted to Asian Driveability on 10/30/2008 3 Replies

car surges and bucks at idle. fuel pressure is low[51#s spec by aldata is61 to 66]with new puel pump. dead head pressure is 70#s+ with fuel line disconnected at rail. running voltage is 14.1 and voltage at relay is also 14.1. fuel trims are slightly lean and o...

3 Replies Received (View Replies)

 
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car Vehicle Data

2003 Mazda MPV EX

VIN JM3LW28J73
Engine3.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursIdle

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage
Message Closed

car Vehicle Data

2003 Mazda MPV EX

VIN JM3LW28J73
Engine3.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursIdle

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage