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B1238 Engine Trouble Code

B1238 Engine

When you check engine light came on code B1238 the reason should be . However your vehicle's manufacturer may have a different definition for the B1238 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B1238 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

B1238 Code Meaning :

B 1 2 3 8
OBD-II Diagnostic Body (B) Trouble Code For Engine Fuel And Air Metering Ambient Air Temperature Sensor Circuit Low Cold Start Injector 1 Malfunction Timing Reference High Resolution Signal A Too Many Pulses

Regarding the B1238 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.

B1238 OBD-II Diagnostic Body (B) Trouble Code Description

B1238 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Reason For B1238 Code

The reason of B1238 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

B1238 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.