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B3891 Chevrolet Touring engine code seems a kind of body problem, we try to show one by one the meaning and the solution.
Brief explanation of the B3891 Chevrolet Touring code and definition of B3891 Chevrolet Touring is the bottom side.
| b |
Body Code Problem is antilock brake system, electronic suspension and steering systems. |
| 3 | SAE - Generic |
| 8 | Ignition System Or Misfire |
| 9 | Crankshaft Position Sensor Circuit Performance |
| 1 | TFP Valve Position Switch-Drive Without Drive Ratio |
SAE - Generic codes, which have a '0' as their second digit to indicate they are common to all makes and models of vehicles. These are the codes that are required for basic emissions fault diagnosis.
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How To Fix B3891 Chevrolet Touring ?
Regarding the B3891 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. |
Deactivation of cylinders is achieved by releasing a synchroniser pin that normally interlocks the cam follower and rocker arms. B3891 code resolves the synchroniser pin is released using hydraulic pressure which is controlled by a dedicated solenoid. When you see B3891 Chevrolet Touring engine fault code on your engine code reader this description will help you.
| B Codes | List of all Body codes. |
Final Step: In the definitions listed below, there is a test drive recommended after you've completed any repairs to see if the condition is fixed. Before you take a test drive after a repair, always erase the B Code(s) first. This will turn the check engine light off and then you will know if the check engine light returns, you've got further diagnostics to complete.
BE CAREFUL !
This engine code information is presented for information purposes only. This is not intended as repair advice and we are not responsible for any actions you take on any vehicle.
