This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
full bulletin at NHTSA ↗2006 Hyundai Tucson engine problems
moderate 14 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
14
Recalls
0
Avg fix
$3,100
When does it fail?
Of the 14 engine complaints filed for the 2006 Hyundai Tucson, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA engine complaint has been filed on this vehicle in over 16 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or sub-assembly replacement.
full bulletin at NHTSA ↗This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps.
full bulletin at NHTSA ↗This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
full bulletin at NHTSA ↗HYUNDAI: ATA SOLENOID DIAGNOSTIC TROUBLE CODES P0740, P0741, P0742, P0743, P0746, P0748, P0750, P0755, P0760, P0765, P0770. INCORRECT OPERATION OF THE TRANSAXLE SOLENOIDS MAY RESULT IN THE FOLLOWING SYMPTOMS-CHECK ENGINE LIGHT ILLUMINATED; TRANSAXLE HELD IN 3RD GEAR FAIL SAFE.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The dominant complaint is engine stalling during deceleration, turns, or low-speed driving—some owners experience it multiple times daily, others once every few months. Stalls happen without warning and can kill power steering mid-turn. Check engine lights cycle on and off. Dealers have attempted fixes including throttle body swaps, mass air flow sensor replacement, and air idle control valve service, none of which stopped the recurrence. One owner's throttle and air sensor work—combined with a dealer reset of adaptive values—provided no lasting solution. One car seized its upper engine with piston failure at 130,000 miles. Another owner reports surging RPM at stoplights with no forward motion; shifting to Park and back to Drive temporarily restores movement. An intermittent no-start condition appears in one report despite normal battery, alternator, and starter testing. One owner smells gasoline heavily after refueling, triggering headaches and nausea, with a check engine light that clears after the engine sits. A splash pan detachment issue affects at least one vehicle—plastic mounting holes worn through after 15 oil changes, letting the pan fall away during backing. Dealers are stumped on the stalling; they cannot reproduce it in most cases despite owning the problem for years.
Same Hyundai Tucson engine reports on nearby years: 2005
Failure modes owners describe
Engine stalling during deceleration, turns, or low-speed driving
Engine shuts down without warning while decelerating, turning, slowing for stops, or driving at low speeds. Stalls occur sporadically—sometimes multiple times daily, other times weeks apart. Check engine light may illuminate. Loss of power steering accompanies some failures. Dealers unable to reproduce the issue.
When: 36,000–190,000 miles; intermittent across the ownership period
Symptoms owners cite: Engine shuts down while decelerating; Stalls during turns or parking lot maneuvers; Stalls while slowing for red lights; Jerking or hard shifting sensation before stall; Loss of power steering during stall; Check engine light illuminates; Intermittent; unpredictable frequency
Repairs/costs cited: One owner reports throttle body and mass air flow sensor replacement did not resolve the issue. Another owner's air idle control valve replacement (May 2016) did not stop recurrence. Dealer resets adaptive values with no lasting fix.
Recalls/TSBs owners mention: Manufacturer notified in at least one case; no recall or TSB mentioned.
Engine seize with piston failure
Loud bang heard from engine followed by immediate stall. Mechanic diagnosis: upper engine seized due to piston failure; engine replacement required.
When: 130,000 miles
Symptoms owners cite: Loud bang from engine; Engine stalls immediately after noise; Complete engine seizure
Repairs/costs cited: Engine replacement needed; extent of lower engine damage unclear.
Unresponsive throttle and no-move condition at idle
Engine RPM surges to 3,000–3,500 at traffic light stops, but vehicle does not move. Shifting to Park and back to Drive restores motion. Occurs intermittently with fewer than 3,000 miles on the vehicle.
When: Under 3,000 miles
Symptoms owners cite: RPM spikes to 3,000–3,500 at red light; No forward motion despite high RPM; Intermittent recurrence; Temporary fix: shift to Park, then back to Drive
Repairs/costs cited: Dealer unable to find problem.
Intermittent starting failure with electrical symptoms
Vehicle intermittently refuses to start or has no power to start despite battery, alternator, and starter testing normal. Interior lights work but engine does not crank or attempts weak turnover. Required daily jump-starting for three weeks.
When: Not specified
Symptoms owners cite: Intermittent no-start condition; Weak or no engine cranking; Interior lights function normally; Requires daily jump-starting
Repairs/costs cited: Battery, alternator, starter, cables, and fuses all checked and found acceptable.
Recalls/TSBs owners mention: Dealer claims nothing is wrong with vehicle.
Gas smell and check engine light cycling
Strong gasoline odor inside cabin after refueling, causing headaches and nausea in occupants. Check engine light illuminates and extinguishes after vehicle sits for a few minutes.
When: Not specified
Symptoms owners cite: Strong gasoline smell in cabin after refueling; Occupant headaches and nausea; Check engine light comes on and off intermittently; Light clears after vehicle sits
Repairs/costs cited: Mechanic found nothing wrong.
Engine splash pan detachment and bolt hole failure
Lower engine splash pan bolts loosen and detach, exposing the undercarriage. Plastic mounting holes wear through due to repeated removal during oil changes. Washers no longer grip the holes. Dealer noted splash pan removal is routine during each oil change. Dangerous if failure occurs at highway speeds.
When: 43,000 miles (15 oil changes)
Symptoms owners cite: Splash pan loosens and detaches; Plastic mounting holes worn through; Washers no longer grip mounting points; Can detach while backing or driving
Repairs/costs cited: Larger washers cannot be used due to recessed bolt holes. Dealer had replacement in stock, suggesting recurring issue.
Synthesized from 14 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
My 2006 Hyundai tucson stalls when slowing down and turning. *tr
Had engine trouble with your 2006 Hyundai Tucson?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2006 Hyundai Tucson?
It's a documented issue but not catastrophic. 14 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Across the 12 complaints that reported odometer mileage, most engine failures cluster between 36,000 and 110,300 miles, with the median around 61,570. A quarter of owners report trouble before 36,000; a quarter make it past 110,300. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2006/Hyundai/Tucson.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.