C1257 Nissan El Grand OBD Code

OBD/2 C1257 error code description and symptoms.

Catalytic converters must be warm before they can work properly. On a cold start the PCM provides a rich mixture to keep the cold engine running.
All that extra fuel goes into the catalytic converter. But the exhaust isn't very hot, because, ah, the engine is pretty cold. GM has employed several strategies to fire up the catalytic converter quicker and reduce cold start emissions. One way is to use a secondary air pump that pumps outside air directly into the catalytic converter.

To check for an open circuit, trace along the length of the transmission control circuit, checking for breaks in the wiring. Repair any broken wiring and make sure all connectors are fully seated and locked.Pay close attention to connectors, looking for corrosion, bent or broken pins, or moisture in the connector. Repair any connector issues even if they are not specifically part of the transmission control circuit as they may serve a function in providing power to the transmission control circuit.

C1257 Nissan El Grand Error Code Repair Process :

The scent may C1257 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such C1257, so if the inside of your car c1257 abs inlet valve coil rr circuit short to ground as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

Common Causes of Nissan El Grand C1257 OBD2 Code

A common cause of code C1257 is the failure of C1257 ABS Inlet Valve Coil RR Circuit Short To Ground, but there are several other possible causes as well, such as ;

Dirty Oil
Faulty Air fuel ratio (A/F) Sensor 1 Bank 1
Foreign matter caught in fuel filler cap
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted

C1257 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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C1257 Nissan El Grand OBD Code

C1257 Nissan El Grand Error Code Repair Process :

Common Causes of Nissan El Grand C1257 OBD2 Code

C1257 code for other Nissan cars