One problem related to engine head gasket failure has been reported for the 2003 Nissan Sentra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Nissan Sentra based on all problems reported for the 2003 Sentra.
2003 Nissan Sentra 1. 8l head gasket failure at around 75,000 mi. Vehicle has been experiencing difficulty starting and rough idle since soon after purchase. This was relayed to dealers on numerous occasions, were told nothing is wrong. Problem has worsened over the years and vehicle ran rough. Brought to dealer and replaced ignition coil #3. Week later problem is still active. Return to dealer where head gasket had failed and engine is consuming coolant. This vehicle had faulty gasket or head design that was pushed off by the dealer to avoid warranty repair.