![]() ![]() How many miles can you drive with the check engine light? If the problem is totally ignored or you continue to drive, this can spread to the spark plug wires, catalytic converter, or ignition coils which can lead to a remarkably expensive repair. Miller Ford Mesa quickly by calling 4806901279. ![]() If your check engine light is always flashing, please contact our team of automotive experts at Larry H. A damaged, old or dirty spark plug can cause the engine to misfire. Some owners ask if spark plugs cause the check engine light to flash? This can specifically be the cause. There it can instantly raise the temperature of the catalytic converter to a point where damage is likely, requiring an costly and far-reaching repair. This blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system. A flashing light indicates that the problem is exceptionally serious and if not taken care of promptly may result in major and meaningful damage to the car. ![]() A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.If the check engine light in your Ford starts flashing, that means that the problem needs attention promptly and your Ford should be brought in rapidly. If the change in pressure is outside of the calibration the DTC will set. The emptying process is called canister purge.Īir Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. But the charcoal can only hold so much vapor. Also, on a hot day as the gas heats up and vaporizes, those same vapors push into the canister where they're stored. When you fill your car with gas, the vapors in the tank get forced into a canister filled with activated charcoal. Use your OBD Express DIY to look at the oxygen sensor outputs, coolant temperature, airflow, calculated engine load, and inlet air temperature. What you want to look any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression. The OBDII system uses a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. If your vehicle failed a P2176 test and the P2176 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing. Parts or components should not be replaced with reference to only a P2176 DTC. ![]()
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