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Chevrolet Lacceti P1143 Engine Error Code

When you check Chevrolet Lacceti car engine light came on code P1143 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However Chevrolet manufacturer may have a different definition for the P1143 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1143 Chevrolet Lacceti Code Clear

On 1999 and later P1143 Chevrolet Lacceti 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.

P1143 Code Reason

Chevrolet Lacceti P1143 OBD-II Diagnostic Powertrain (P) Trouble Code Description

Chevrolet Lacceti car P1143 OBD-II Trouble Code Heated Oxygen Sensor 1 Lean Shift Monitoring Bank 1 is one of the definitions for the P1143; however your vehicles manufacturer may have a different definition for the P1143 code. Please check below f

Reason For Chevrolet Lacceti P1143 Code

The reason of Chevrolet Lacceti P1143 OBD-II Engine Error Code is P1143 Heated Oxygen Sensor 1 Lean Shift Monitoring Bank 1.

There are currently two main types of cylinder deactivation used today, depending on the type of engine. P1143 Chevrolet Lacceti code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.

Chevrolet Lacceti P1143 Possible Solution :

In-line Ford engines, along with those of most other manufacturers, begin the numbering of cylinders at the front and proceed in numerical order toward the back. In the V-engine design, Ford follows a similar design with the number one cylinder at the front left of the engine. In the V-6 configuration, cylinder 4 is at the front right of the engine and in a V-8, cylinder number 5 is in that location. Other manufacturers sometimes use an alternating pattern in the V-engines.

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