Code result
P00E3
Exhaust Heat Exchanger Exhaust Bypass Valve A Stuck Open
Moderate severity
What it means
The exhaust heat exchanger bypass valve A is stuck open. Engine warms up too slowly because exhaust does not heat the heat exchanger.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Valve stuck open by carbon
highOne of the most commonly reported causes for this code — check this first.
Carbon or debris buildup preventing free movement
lowLess common, but worth ruling out after the more likely causes.
Component wear with age - mechanical play
lowLess common, but worth ruling out after the more likely causes.
Related help
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