Engine Controls - DTC's P0300-P0304 Stored in Memory
Condition01 07 20 Feb. 12, 2007, 2001967 supersedes Technical Bulletin Group 01 number 02-07 dated Oct. 25, 2002 due to inclusion in ElsaWeb.
Misfire, Incorrect Cylinder Identified By ECM Software
Technical Background
Fault codes P0300 along with P0301, P0302, P0303, or P0304 are stored in DTC memory.
Production Solution
N / A, information only
Service
For Low Emission Vehicles (LEV) with 2.0L (engine code AZG), the Electronic Control Module (ECM) listed, see Required Parts and Tools, reports the wrong cylinder when a misfire is recorded.
For Low Emission Vehicles (ULEV) with 2.0L (engine code AVH), the ECM listed, see Required Parts and Tools, reports the wrong cylinder when a misfire is recorded.
- Do not automatically replace the ECM for this condition (see below).
When repairing a vehicle with the listed DTCs and ECMs as listed in the tables, see Required Parts and Tools.
- Use the table to correctly identify the misfiring cylinder.
Once the correct misfiring cylinder is identified:
- Diagnose and repair as necessary.
Warranty
Information only
Required Parts and Tools
Tip: Part number(s) are for reference only. Always see ETKA for the latest part(s) information.
No special tools required