Is the issue mechanical or sensor/electrical related?

Ask the mechanic to clarify whether diagnostic trouble codes point to a faulty sensor or true internal mechanical engine damage.

Does the estimate include replacement of related gaskets, seals, and fluids?

Major engine repairs typically require fresh oil, coolant, and replacement of one-time-use head or manifold gaskets.

Reputable shops should provide at least a 12-month / 12,000-mile parts and labor warranty on engine work.

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