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OBD-II Code Lookup

Look up what your check engine light code means, what causes it, and what it costs to fix.

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Look it up below, then get a free AI estimate for the likely repair on your exact car.

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P0011
The intake camshaft on bank 1 is more advanced than the computer commanded.
$50 – $1,500
P0016
The crankshaft and camshaft positions are out of sync.
$200 – $2,500
P0101
The MAF sensor is reading values outside the expected range.
$10 – $500
P0113
The intake air temperature sensor is reading abnormally high voltage.
$20 – $200
P0128
Engine is not reaching normal operating temperature.
$150 – $450
P0131
The front oxygen sensor on bank 1 is reading too low (lean).
$150 – $500
P0135
The heater inside the front O2 sensor on bank 1 has failed.
$5 – $400
P0171
Engine is running with too much air for the amount of fuel being delivered.
$50 – $800
P0172
Engine is running with too much fuel for the amount of air being delivered.
$10 – $700
P0174
Same as P0171 but on the other engine bank.
$50 – $800
P0300
The engine is misfiring across more than one cylinder.
$100 – $1,000
P0301
Cylinder number 1 is misfiring.
$50 – $500
P0302
Cylinder number 2 is misfiring.
$50 – $500
P0303
Cylinder number 3 is misfiring.
$50 – $500
P0304
Cylinder number 4 is misfiring.
$50 – $500
P0306
Cylinder number 6 is misfiring.
$50 – $600
P0316
The engine misfires only when first starting.
$100 – $700
P0325
The knock sensor on bank 1 has failed or its wiring is broken.
$100 – $600
P0335
The crankshaft position sensor is not reporting properly.
$150 – $500
P0340
The camshaft position sensor signal is missing or out of spec.
$150 – $600
P0401
The EGR system is not flowing enough exhaust gas back into the intake.
$100 – $500
P0420
The catalytic converter on bank 1 is not cleaning exhaust efficiently.
$150 – $2,500
P0430
Same as P0420 but on the other engine bank.
$150 – $2,500
P0440
The fuel vapor recovery (EVAP) system has a fault.
$5 – $400
P0442
A small leak has been detected in the fuel vapor system.
$10 – $400
P0455
A large leak in the fuel vapor system has been detected.
$10 – $500
P0456
A very small leak in the EVAP system has been detected.
$0 – $200
P0500
The vehicle speed sensor is not providing a usable signal.
$100 – $600
P0700
The transmission control module has detected a fault.
$150 – $5,000
P0299
The turbocharger is not producing enough boost pressure.
$100 – $2,500