95opal
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The ecm has a preprogrammed table it will run off of if it doesn't receive signal from the lambdas.
The misfire would likely be bad coil bad PIP or MAF. And or bad wiring in the ignition circuit. Even without the o2s the car should still run probably on the rich side.
The misfire would likely be bad coil bad PIP or MAF. And or bad wiring in the ignition circuit. Even without the o2s the car should still run probably on the rich side.