1997 Hyundai Sonata Engine Problems
9 owner-reported engine complaints from NHTSA data
Data sourced from NHTSA public database. For informational purposes only. Always consult a qualified mechanic.
Owner Complaints (9)
Your check engine light stays on even after multiple dealership repair attempts costing about $3,000, and the dealership says they can't identify the problem. Your car tends to stall when stopped and the idle speed jumps around while driving, especially when the air conditioning is running. The underlying issue may require diagnostic testing to identify a faulty sensor, ignition component, or fuel system problem that's causing the engine to run poorly.
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Your check engine light has been on continuously for over a year. You believe this is caused by a manufacturing defect rather than normal wear and tear. Getting this diagnosed will involve connecting a diagnostic scanner to read the engine fault codes, which will pinpoint what's triggering the warning light.
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CONSUMER STATES THE VEHICLE WOULD NOT START, DEALER SAID TIMING BELT BROKE AND CAUSED THE CRANK SENSOR AND TIMING SENSOR TO BREAK, HOWEVER AFTER REPAIRS THE VEHICLE STILL WOULD NOT START, CONSUMER WAS INFORMED THAT THE PROBLEM WAS NOT WITH THE STARTER, BUT POSSIBLY WITH THE HEAD. *YD
FUEL TANK HAS DEVELOPED CRACKS AND A FUEL SMELL IS PRESENT. 1) IN DEC 2000 AND MAR 2001 FUEL TANK REPLACED BECAUSE OF CRACKS ON TOP OF FUEL TANK; 2) IN APRIL 2001 SERVICE FOR RECALL 00V314001 WAS PERFORMED; 3) IN OCTOBER 2001 FUEL WAS LEAKING FROM A SEAL BETWEEN FUEL TANK AND A PIPE, LEADING TO ENGINE, RESULTING IN FUEL TANK BEING REPLACED FOR FOURTH TIME AND 4) IN NOVEMBER 2001 FUEL SMELL WAS PRESENT AGAIN AND DEALERSHIP WAS DIAGNOSING THE PROBLEM. *AK THE FUEL GAUGE OPERATION STAYS ON FULL THEN DROPS DRASTICALLY DUE TO FUEL SENDER/PUMP FAILURE. THE DEALER REPLACED THE GAS TANK CAP. THE CHECK ENGINE LIGHT COMES ON DUE TO PURGE VALVE FAILURE. CONSUMER WAS ASKING FOR REIMBURSEMENT. *YH
AUTOMATIC TRANSMISSION; WHEN APPLING GEAR IN REVERSE THERE IS A HARD BANGING NOISE COMING FROM TRANSMISSION. TRANSMISSION HAS BEEN REPLACED THREE TIMES. DEALERSHIP WAS AWARE OF PROBLEM.*AK CHECK ENGINE LIGHT ILLUMINATED, DEALER REPLACED FAULTY O2 SENSOR. FAULTY BATTERY CAUSING VEHICLE TO CRANK SLOW. DRIVER DOOR WINDOW MOVES SLOW, DEALER LUBRICATED GLASS CHANNEL. OUTER CV BOOT REPLACED, IT WAS CRACKED. SOLENOID VALVE FAULTY CAUSING POOR GAS MILEAGE. *SLC
ENGINE NOISE AND LEAKAGE DUE TO THREE COLLAPSED LIFTERS AND FRONT CRANKS SEAL LEAKING, DAMAGE TO BELT FROM OIL.
PURGE VALVE REPLACED DUE TO STALLING.
ENGINE CONTINUALLY EXPERIENCING COMPONENT FAILURES, HOWEVER CONTINUES TO EXHIBIT SAME PROBLEMS AFTER REPLACEMENTS.
VEHICLE HESITATES WHEN GOING ONTO RAMPSS AND WHEN SLOWING FOR TURNS.