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B1478 Engine Trouble Code

B1478 Engine

When you check engine light came on code B1478 the reason should be . However your vehicle's manufacturer may have a different definition for the B1478 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

When your car's 'B1478 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.

B1478 Code Meaning :

B 1 4 7 8
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering Fuel Temperature Sensor B Circuit Range/Performance Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) 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.

B1478 OBD-II Diagnostic Body (B) Trouble Code Description

B1478 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Reason For B1478 Code

The reason of B1478 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.

B1478 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.