One problem related to engine knocking noise has been reported for the 2007 Saturn Aura. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Saturn Aura based on all problems reported for the 2007 Aura.
Car ran fine this morning on the way to work, which is not even 2 miles from my home . Went to work and straight back no problem. Got in my car this evening to go get food started the car, check engine light came on, and my air bag light came on went to pull forward and the car was jerking and making knocking noises. . .