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Joe Gibbs Insists JGR's Mechanical Issues Are Under Control Ahead of Championship 4 Race

Denny Hamlin and Chase Briscoe exited Martinsville with apparent engine issues. Coach Gibbs is not worried, though. "We went through everything that happened and have a plan and strategy where it doesn’t come back to us in Phoenix," he said, pointing to a faulty batch of valve springs. Notably, Hamlin has suffered from starter and power steering issues throughout the playoffs.