Question

a vehicle has repeated head gasket failures. this could be caused by
a. low engine compression.
b. incorrect cam timing.
c. incorrect ignition timing.
d. a warped cylinder head.
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review test 16 of 40 questions

Explanation:

To determine the cause of repeated head gasket failures, we analyze each option:

• Option A: Low engine compression can be a result of a failed head gasket, not a cause of repeated failures.
• Option B: (Assuming a typo, likely "incorrect valve timing") Valve timing issues don't directly cause head gasket failures repeatedly.
• Option C: (Assuming "incorrect ignition timing") Ignition timing affects combustion, not head gasket sealing.
• Option D: A warped cylinder head causes improper sealing, leading to repeated head gasket failures as the gasket can't form a tight seal.

Answer:

D. a warped cylinder head