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2005 Nissan Quest 3.5 Questions & Answers
Quest idles rough and when accelerating and service engine light is flashing
Nobody can answer correctly until you (or let someone) read OBD code.
"Check Engine Light flashing" means there is (or are) potential error on system.
(Flashing = Potential. maybe temporally, stays on = permanent. need to fix)
there are 100s of error codes.
When you go Autozone or some autoparts store maybe AAA, they can connect "OBD code reader" and read error code for you for free.
You can buy cheap code reader under $30 for now and future use.
Code may show like P0301, it means misfire on #1 cylinder for example.
sometimes just gas cap not tight closed show error code.
Reading OBD error code is starting point .
I'm getting a P0420 on my Nissan. What do I have to do to fix it?
It depends on what the main problem is.Code 420 is for a problem with the catalytic converter. The converter is not working correctly, but the actual reason would need to be investigated. It could be the cat itself, or something else like the exhaust system or fuel system.
Code P0113-P0183
DTC P0113 - Intake Air Temperature Circuit High Input.The powertrain control module (PCM) monitors the temperature of the air entering the engine. The PCM supplies a 5 volt reference voltage to the Intake Air Temperature (IAT) sensor. The IAT is a thermistor that varies resistance based on temperature. As the temperature increases, resistance decreases. Low temperature results in a high signal voltage. When the PCM sees a signal voltage higher than 5 volts, it sets this P0113 check engine light code. DTC P0183 - Fuel Temperature Sensor Circuit High Voltage. I suggest to check wire connections.
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