TechShop’s Tool Minute: Diagnosing P0300
Managing Editor Eric Garbe discusses DTC P0300 Random Cylinder Misfire
Code Reader Podcast: P0300
A Technical Service Bulletin identifies an unusual cause for a common code.
Code Reader Podcast: P0300
P0300 sets when the control unit recognizes that one or more of the cylinders is not contributing, or working as hard as the others.
Tech Tip: 2004-’05 Nissans Have MIL On With DTC P0300-P0306, P1273 Or P1283
Technicians may encounter an MIL “On” with one or more of the following DTCs stored: P0300, P0301, P0302, P0303, P0304, P0305, P0306 (cylinder misfire); or P1273, P1283 (A/F ratio lean). Injector resistance may cause one or more of the listed DTCs to be set. Check the resistance of the injectors against the values in this bulletin.
Pulling Codes: A Mercedes-Benz Story – A P0300 Analysis Using Exhaust Waveforms
This article will document the P0300 code for a 1996 Mercedes-Benz. A single cylinder misfire has occurred, and the technician decides to clear the code in my presence. I advised that it is a good strategy to maintain the code information for review. It’s clear that misfire activity can be challenging on some ignition systems, and I’ve found through my research that all of the car manufacturers appear to run their monitors in a similar fashion, but it’s still wise to review their service information for the differences and details of their systems.
Pulling Codes: Intermittent Misfire/Idle/Stall on Dodge Stratus, Codes P0300, P0303 and P0171
This month’s column comes to us from Bill Fulton. He takes us through a Pulling Codes case of a 2004 Dodge Stratus with intermittent misfire/idle/stall using his symptom-to-system diagnostic strategies.
Tech Tip: Audi MIL Is On, Misfire DTCs P0300-P0312 Set
If an Audi customer complains that the engine has reduced performance without a significant loss of power or stalling, verify if Campaign 28F2/J1 has been performed (model years 2002-’07 only). Also determine if the vehicle is experiencing rough idle, the MIL is flashing or constantly illuminated, or one or more of the following DTCs are stored: DTC P0300 (Random/Multiple Cylinder Misfire Detected); DTC P0301-P0312 (Cyl. 1-12 Misfire Detected).
TechShop’s Tool Minute: Cylinder Misfire Codes
In this video, we’ll dive into what’s going on when you have a misfire code for a particular cylinder.
TechShop’s Tool Minute: Diagnosing Misfires
A flashing check engine light and P0300 to P0312 diagnostic trouble code are surefire indications that one or more cylinders are misfiring. While occasional misfires may pass unnoticed, a steady misfire is hard to miss. Here’s a quick video on what you need to know when diagnosing misfires.
Pulling Codes: Chevy Impala Sets Codes: P00C6 and P228C
With an intermittent loss of power complaint, Gary Goms tackles the “nuances” of GDI diagnosis and repair on a Chevy Impala.
