Check P1691 Fault Code
When you check engine light came on code P1691 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P1691 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
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Parts or components should not be replaced with reference to only a P1691 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing. |
P1691 Possible Fix :
Overheating can be caused by a few different factors. The simplest cause may be that your car needs more coolant. Yet depleted coolant can be caused by bigger problem, like leaks or faulty hoses, so always check for the underlying cause before simply filling it up with more. Another common reason for overheating may be that the radiator fan which keeps your engine cool is faulty, so check your fan motor connection and fan thermostat.
P1691 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1691 Turbo Pressure Control Solenoid Circuit Malfunction so you have to check ODB-II Fault Code Check list.Reason For P1691 CodeThe reason of P1691 OBD-II Fault Code Check is P1691 Turbo Pressure Control Solenoid Circuit Malfunction. |
P1691 Solution:
Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.
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What does fault code P1691 mean ?
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How to Clear P1691 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.