Check Out Our Special Offers in Fossil Creek (Alliance) Click on coupon to print or present coupon on your mobile device. 50% OFF CHECK ENGINE DIAGNOSTICS HALF OFF ALL CHECK ENGINE DIAGNOSTICS... Not valid with any other offers or coupons. Expires Jun 14, 2025 Valid at either the Roanoke or Fossil Creek Christian Brothers locations Offer only valid at the Fossil Creek (Alliance) location. 6501 Old Denton Rd., Fort Worth, TX 76131