2004 Toyota Corolla CE 1.8L Poor Idle Quality, Misfire, MIL Lamp on
This one's got me stumped guys. Customer complaining of rough idle. Verified. Smooths out at about 1000 rpm and while driving has lots of power no hesitation. Had code P0031,PO134,P0300,P0301,P0302,P0303,P0304. tested o2 and found heater circuit bad replaced w...
FIX posted 12/16/2011
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Message Closed w/FIX
Vehicle Data2004 Toyota Corolla CE
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2004 Toyota Corolla CE
VIN | 1NXBR32E14 |
Engine | 1.8 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always, Idle |
Trouble Codes
P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage |
P0134 | Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction |
P0300 | Multiple Misfire Detected |
P0301 | Cylinder 1 Misfire Detected |
P0302 | Cylinder 2 Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |