2011 Hyundai Sonata Limited (2.4L V4 Gas)
i have had my sonata for a year and never had any problems. I took a road trip about 2 hours away and the car suddenly lost power. Upon trying to jump it it would not start and when i tried revving it the engine began acting erratically. Keep in mind no lights ever came on. Once i got the car towed back it started and ran but it didnt have much power, no funny sounds or anything, and the car could not go over 20mph without dying out. I have taken the car to two mechanics and they couldnt fully diagnose it. The car still hasnt showed any lights or codes. The last mechanic blew the started and drained the battery from running it and trying to figure stuff out. I just replaced both of these parts and the car is back to square one. What can be wrong with it? Please give me ideas or suggestions
Mileage?
Do a wet & dry compression test of the engine. If it passes that test, change the fuel filter (if equipped) & pressure test the fuel pump.
First, find a real mechanic who knows what they're doing.
Clean the MAF sensor and throttle body to start. You could also have dirty fuel injectors that need to be cleaned.
