Scion xa 2006 with just 46000 (mostly highway!) miles did not pass emissions test due to diagnostic codes: p2401, p043e, po43f, p2419, p2402 indicating 'evaporation leak/emission problems. Toyota customer relations stated the repair was not under warranty and refused to help me with the cost of repair - see case #: 1310120509. The dealer charged me $588.39 (after a discount of $95.00 diagnostic…
2006 Toyota Scion xA engine problems
severe Owners of the 2006 Toyota Scion xA have filed 12 NHTSA complaints about the engine, typically surfacing around 51,500 miles at roughly $3,100 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
Failure mileage
Complaints
12
Recalls
0
Avg fix
$3,100
3fires
When does it fail?
Of the 12 engine complaints filed for the 2006 Toyota Scion xA, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 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 12 years — the issue may be aging out of the active population.
What owners are reporting 3 most recent
Check engine came on around 47,000 miles, mechanic said problem with emissions, would cost at least $500 to fix, but not covered by Toyota federal emission warranty anymore since mileage is over 36,000. *tt
Check engine light came on at about 50k miles. Dealer checked it out and the sensors indicated that the charcoal canister assembly was defective, along with the charcoal filter. Including parts and labor this repair coasted me $557. My car is only 3 yeas old!!! Moreover, for the assembly part I was charged $327 whereas I found the part on-line for $230. *tr
Had engine trouble with your 2006 Toyota Scion xA?
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 Toyota Scion xA?
It's a meaningful issue. 12 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Across the 11 complaints that reported odometer mileage, most engine failures cluster between 46,500 and 94,000 miles, with the median around 51,500. A quarter of owners report trouble before 46,500; a quarter make it past 94,000. 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/Toyota/Scion xA.
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.