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C1438 Engine Trouble Code

C1438 Engine

When you check engine light came on code C1438 the reason should be . However your vehicle's manufacturer may have a different definition for the C1438 OBD-II Diagnostic Chassis (C) Trouble Code. So you should chech it on our car models.

When your car's 'C1438 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

C1438 Code Meaning :

C 1 4 3 8
OBD-II Diagnostic Chassis (C) Trouble Code For Engine Fuel And Air Metering Fuel Temperature Sensor B Circuit Range/Performance Cold Start Injector 1 Malfunction Timing Reference High Resolution Signal A Too Many Pulses

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

C1438 OBD-II Diagnostic Chassis (C) Trouble Code Description

C1438 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Reason For C1438 Code

The reason of C1438 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

Parts or components should not be replaced with reference to only a C1438 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.