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2005 Mazda 3 S 2.3L Poor Idle Quality, Stall, Very Lean
Posted to Asian Driveability on 1/9/2016 29 Replies

Hello Friends,

Car has unstable idle, will occasionally stall. Seems to run well at cruise, suspected vacuum leak early in diagnosis. When not in Open Loop Fault idle fuel trim in excess of 25% STFT & 20% LTFT, at cruise 0-5% STFT & 20.4% LTFT. Front and rea...

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29 Replies Received (View Replies)

  Related Documents & Media  2005 Mazda 3 S

 
Message Closed w/FIX

car Vehicle Data

2005 Mazda 3 S

VIN JM1BK32355
Engine2.3 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / PFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Stall, Very Lean
OccursAlways

Trouble Codes

P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0304Cylinder 4 Misfire Detected
P2177Power Steering Control Circuit High
P2187Fuel Trim System Rich At Cruise Or Acceleration (Bank 1)
P2195Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean
Message Closed w/FIX

car Vehicle Data

2005 Mazda 3 S

VIN JM1BK32355
Engine2.3 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / PFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Stall, Very Lean
OccursAlways

Trouble Codes

P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0304Cylinder 4 Misfire Detected
P2177Power Steering Control Circuit High
P2187Fuel Trim System Rich At Cruise Or Acceleration (Bank 1)
P2195Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean