Transcript for Oil Change Nightmare
Welcome back, everyone. Keeping your ride in good shape means maintenance. Especially with those oil changes. What happens when you try to do the right thing but it goes wrong? That's when you call the ABC news fixer. Check it out. ? ? We're always on the go. Reporter: A single working mom of two, Jennifer is pretty good about getting oil changes for her vehicle. 2007 Hyundai Santa Fe that she adores. She stopped at this jiffy lube. It would be great and fast. It was a disaster. Reporter: The tech drain the oiled but forgot to put new oil in. It kept knocking and shuttering. It would shut off constantly. It wrecked the entire motor. Reporter: Jiffy lube towed it away. Something was really wrong. Jennifer took her Santa Fe to this dealer to get it checked out. The moment they took the cover off, they saw it a sonata engine. Reporter: That's right. The shop used by the local jiffy lube had replaced Jennifer's engine with own of a totally different vehicle. They were very angry. Reporter: After she got the runaround, she contact td our fixer. Hi, I'm Stephanie, the fixer. Reporter: It was time for our fixer to rev her engine. She immediately got jiffy lube corporate involved and contacted the franchisee. It took months of calls and research. But that shop apologized for Jennifer's troubles and agreed to have her mechanic rebuild her enj gin with the proper cost at $19,000. Proving that squeaky engine does indeed get the grease. It's fixed. Thanks, ABC news fixer. If you have a consumer problem, contact Stephanie at ABC news. Abcnews.com/thefixer. She'll help fix your ride. Coming up -- Sara's here
This transcript has been automatically generated and may not be 100% accurate.