P0491 DTC For Nissan Fairlady

Nissan Fairlady Engine Specifications:
Engine Type :Multi-Cylinder Engine
Cylinder Type :Opposite Piston Engine
Engine Air Intake Process :Naturally Aspirated

Your Nissan Fairlady engine control system detects a problem, the computer stores the diagnostic trouble code P0491 in its memory. To figure out what is wrong with your vehicle you must first extract the P0491 DTC For Nissan Fairlady.

A good ground connection is also extremely important. P0491 Nissan Fairlady engine problem because the presence of voltage at the panel harness won't make the panel work if there is a bad ground connection. Since the instrument cluster is mounted in a plastic dash, a separate ground wire or ground circuit through the wiring harness is usually needed to complete the power circuit. Refer again to the wiring diagram to find the ground path, and then check it with your ohmmeter. Do not use a self-powered test light because it cannot measure resistance (any resistance will lower circuit voltage).

P0491 Nissan Fairlady DTC Meaning

P Powertrain Code - Problem is related engine, transmission and emissions systems.
0 SAE - Generic
4 Fuel And Air Metering (Injector Circuit Malfunctions Only)
9 TP Sensor Learn Not Complete
1 PCM Stack Overrun

If your P0491 Nissan Fairlady check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P0491 and engine control unit are in charge of monitoring a bunch of different P0491 DTC For Nissan Fairlady, and if they get a reading that's a little out of whack, up pops the check engine light.

P0490 DTC (Previous DTC Code) ( Next DTC Code ) P0492 DTC
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The listed Nissan models will give information about P0491 DTC.