Check B2491 Fault Code
When you check engine light came on code B2491 the reason should be . However your vehicle's manufacturer may have a different definition for the B2491 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.
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B2491 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set. |
B2491 Possible Fix :
The most likely cause of this is that there is no refrigerant left in your system. This could be caused by a leak in your system somewhere, which will have to be fixed before refilling the refrigerant. If you're car-savvy and you own a set of air conditioning gauges, refilling the refrigerant is usually easy to do yourself. However, if you're not so confident, enlist the help of a knowledgeable friend or take a quick trip to the mechanic.
B2491 OBD-II Diagnostic Body (B) Trouble Code DescriptionB2491 RF PARK LAMP OUTPUT CIRCUIT Short to Battery so you have to check ODB-II Fault Code Check list.Reason For B2491 CodeThe reason of B2491 OBD-II Fault Code Check is B2491 RF PARK LAMP OUTPUT CIRCUIT Short to Battery. |
B2491 Solution:
Excessive air inflow can be caused by a vacuum leak, a dirty sensor or, an exhaust gas recirculation valve not closing properly. If the problem is not enough fuel, the culprit may be dirty injectors or fuel filters, a weak fuel pump or a leaky fuel pressure regulator. The lean fuel mix error may be accompanied by rough idling, engine misfires, hesitation during acceleration and overall poor engine performance.
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What does fault code B2491 mean ?
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How to Clear B2491 Trouble Code
An OBD 2 scanner is the best and safest way to erase a DTC from your car's system. This scanner communicates with the car's computer and instructs the computer to erase the code. It does not change or tweak the settings from inside the car or its systems.