DTC P050B Acura

Cold Start Ignition Timing Performance Problem

Cold Start Ignition Timing Performance Problem

Description

The execution time is once per driving cycle and the duration time is 3.5 seconds or more and the engine speed is 2,100 rpm or more for at least 3.5 seconds. When the actual engine speed is a specified value or more, and it continues for a specified time, a malfunction is detected. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause and Solution

Poor connections or blockage at the intake air duct
Damage at the air cleaner housing
Dirt or debris in the air cleaner element
Incorrect ignition timing
Faulty Throttle body
Faulty MAF sensor IAT sensor
Poor connections or loose terminals at the CKP sensor, the throttle body, the MAF sensor IAT sensor, ECT sensor 1, ECT sensor 2, and the PCM
Low engine coolant

Video Guide

Duration: PT4M34S | Uploaded: 2020-04-16

Diagnostic Info

  • DTC Code: P050B
  • Brand: Acura
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