Logo

B3004 Engine Trouble Code

Meaning of B3004 engine trouble code is : B3004 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

B3004 Possible Solution:

B3004 Engine

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

B3004 Code Meaning :

B 3 0 0 4
OBD-II Diagnostic Body (B) Trouble Code For Engine Ignition System Or Misfire Ambient Air Temperature Sensor Circuit Low Cold Start Injector 1 Malfunction Timing Reference High Resolution Signal A Too Many Pulses

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

B3004 OBD-II Diagnostic Body (B) Trouble Code Description

B3004 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Reason For B3004 Code

The reason of B3004 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

B3004 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.