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So my 04 svt is throwing the P0420 code catalyst system efficiency below threshold.
After reading the symptoms the only problem I could think of was the cat being bad.
I brought it into the dealer and they agreed it was also a bad cat, and said it was caused by a misfire and the engine was dumping raw fuel into the cat. They suggested I replace the plugs, wires and coil . They wanted well over $600 to do the work but the cat would be under warranty. Since plugs and wires are easy to do, I only want them to replace the cat under warranty. The service department said they can't replace the cat under warranty without performing the other maintenance (replacing plugs, wire and coil). When I asked why they said it was "fords policy". Is the dealer correct here ? I feel like im being forced to purchase other repairs just to have a part covered under warranty.
After reading the symptoms the only problem I could think of was the cat being bad.
I brought it into the dealer and they agreed it was also a bad cat, and said it was caused by a misfire and the engine was dumping raw fuel into the cat. They suggested I replace the plugs, wires and coil . They wanted well over $600 to do the work but the cat would be under warranty. Since plugs and wires are easy to do, I only want them to replace the cat under warranty. The service department said they can't replace the cat under warranty without performing the other maintenance (replacing plugs, wire and coil). When I asked why they said it was "fords policy". Is the dealer correct here ? I feel like im being forced to purchase other repairs just to have a part covered under warranty.