Code result
P2142
EGR Throttle Control Circuit A High
Moderate severity
What it means
EGR throttle A drive line stuck high — short to B+. EGR mixes inert exhaust into intake to lower combustion peak temperature — too little raises NOx, too much causes misfires and rough running.
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
Short to B+
highOne of the most commonly reported causes for this code — check this first.
Related help
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