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B1321 Engine Diagnostic Code For Alfa Romeo 146

Sample B1321 Engine

B1321 engine code for Alfa Romeo 146 provides below are generic codes that may not apply to all vehicles. Alfa Romeo 146 manufacturer uses specific Alfa Romeo 146 diagnostic code that are different from the codes shown below. Foreign vehicles may also use DTC codes different from the generic DTC codes.

On 1999 and later B1321 engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

B1321 Diagnostic Trouble Code For Alfa Romeo 146 Meaning

B 1 3 21
Body Problem MFG - Manufacturer Specific Ignition System Or Misfire 21 Engine Fault Code
Alfa Romeo 146 Car Engine How to fix B1321 engine diagnostic code For Alfa Romeo 146 ?

Starting letter B diagnostic code shows that there are problems in antilock brake system, electronic suspension and steering systems.
If your "Check Engine Light" is on, it means your vehicle has one or more OBD II Trouble Codes so you have to check your engine diagnostic code tool.

If your vehicle is an older model with a non-electronic Ignition System Or Misfire, you can check the distributor cap to see whether the spark is getting from there to the coil and on to the spark plugs.


Don't forget ! If your B1321 engine code not resolved on and there are trouble codes in your computer, your vehicle will not pass an OBD 2 emissions test. The light must be off and there must be no codes in memory to pass an OBD 2 emissions test. In addition, all of the OBD II self-monitors that check for faults must have run and completed without finding any further problems to pass the test.