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2000 Toyota 4Runner SR5 3.4L Excessive Emissions, Hesitation, Cuts out, Misfire, MIL Lamp on
Posted to Asian Driveability on 7/16/2010 4 Replies

Runs rough almost always, with misfires on all six cylinders, had TPS fault, replaced TPS, plugs and wires, MAF readings were at the low end but in spec., replaced MAF sensor. Fuel trim is at rich adaptive limit, it has a failed upstream oxygen (A/F), sensor, ...

4 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

2000 Toyota 4Runner SR5

VIN JT3HN86R9Y
Engine3.4 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / SEFI, California Cert.
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Hesitation, Cuts Out, Misfire, MIL Lamp On
OccursAlways, Under Load, Cruise

Trouble Codes

1130A/F sensor signal circuit
Message Closed w/FIX

car Vehicle Data

2000 Toyota 4Runner SR5

VIN JT3HN86R9Y
Engine3.4 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / SEFI, California Cert.
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Hesitation, Cuts Out, Misfire, MIL Lamp On
OccursAlways, Under Load, Cruise

Trouble Codes

1130A/F sensor signal circuit