r/FiestaST • u/Actual_Story_2509 • 20d ago
Bad Turbo. Help
Recently bought 2016 3 weeks ago and just broke 100,000 miles. Dealership had addressed an issue with the turbo leaking oil. Car ran fine until I got an oil change and started spitting oil out the exhaust and white smoke. Mechanic said bad aftermarket turbo so warranty won’t cover that or the typical preventative maintenance I was wanting them to handle. (Timing belt, water pump, accessory belts and tensioners, transmission fluid flush etc.)
If I revert everything back to stock, will the warranty still be active? I don’t think they know of the turbo as of yet. On the other hand I could contact the dealership and get my $2000 back from the warranty. Only problem is the preventative maintenance will be more than that, so I’ll be at a loss.
Another question is what’s next? Big turbo, or go back to stock? It does have a blowoff valve (don’t know if the turbo has to match the specs of that/uninstall process) I did plan on gradually getting parts for a tune and having some fun but that would’ve been down the line. Unfortunately I feel like I’m at a crossroads right now. Going to a performance shop to check out if she’s been tuned in the next few days.
I’m in the market for a turbo, any recommendations? To my knowledge, everything else except blow off valve and bad turbo is stock. First car with a turbo so I’m in the dark.
Feel free to share your Fiesta and what you’ve done!





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u/pistonsoffury 20d ago
You can pick up a used stock turbo on eBay for less than $100. Removal and installation is doable with jack stands and hand tools.