4X4 CANNOT GET THIS TRUCK THROUGH SMOG
1984 Toyota Pickup • 4 cylinder 4WD Manual • 150,000 miles
1984 Toyota Pickup 4x4 mileage: 150,000. I cannot get this truck through smog. The readings are great at Idle, but at 2500 rpm there is 2% CO 30 ppm HC 1% O2 and 13. 5% CO2. I know this is a rich running condition. I have changed the 02 sensor, and nothing. Before I replace the carburetor, I wanted to ask you guys. Thanks
Your carburetor may be the problem, but if you have the original catalytic converter on your truck, you might want to replace that first.
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