Code result
P0027
Exhaust Valve Control Solenoid Circuit Range/Performance Bank 1
Moderate severity
What it means
The ECU detects that the exhaust camshaft oil control valve on bank 1 does not respond to commanded duty cycle within expected limits. Camshaft phase deviates from target during phaser actuation tests.
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
Oil control valve clogged with sludge
highOne of the most commonly reported causes for this code — check this first.
Low oil pressure or wrong oil viscosity
mediumA plausible cause — test and verify before replacing parts.
Camshaft phaser worn
mediumA plausible cause — test and verify before replacing parts.
Related help
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