4X4 CANNOT GET THIS TRUCK THROUGH SMOG

1984 Toyota Pickup

Tiny

2CarPros-Archives

October, 14, 2010 AT 7:29 PM

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

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1 Answer

Tiny

2CarPros-Archives

October, 14, 2010 AT 7:33 PM

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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