Tech Tip: Honda MIL Comes On with DTC P1457 Set
If you encounter a Honda with the MIL on with DTC P1457 (EVAP control system leakage), this may be caused by the EVAP solenoid valve (fuel vent module) being blocked or restricted. To correct this, install an EVAP solenoid valve kit.
Tech Tip: Toyota Key Off Evap Diagnosis
Toyota has MIL on with DTC P0456 or P0455 and P0441; and MIL on with DTC P043E, P043F, P2401, P2402 and P2419.
Tech Tip: Kia MIL Illumination with Front Heated O2 Sensor DTCS
If a 2004-’06 Spectra 2.0L exhibits an MIL on
Pulling Codes: The Story of Code P0446
This is the first in a series of investigations covering many states’ top emissions-related codes. Our goal in this report is to discuss the characteristics of the P0446 code as it applies to many GM systems.
New Emissions Technology: Fuel Economy, Global Warming & Alternative Fuels
We can expect to see more innovations designed to improve fuel economy and/or eliminate our dependence on oil altogether, says Technical
Tech Feature: Diagnosing Ford Exhaust Gas Recirculation System Problems
To diagnose and repair Ford exhaust gas recirculation (EGR) systems properly, it is important to understand how they work and what is unique to the product line.
Tech Tip: Diagnosing a VW/Audi MAF Failure
One of the most common failures on 2000 and newer Volkswagen and Audi cars is the mass air flow (MAF) sensor, but properly diagnosing such a failure can be problematic.
Leak Detection Tools & Equipment
Having the right tools to help you find leaks can save time and effort, and reduce the risk of comebacks. This special section features some common types of leaks and what kind of equipment you can use to find them, as well as a Leak Detection Product Showcase.
Tech Feature: Detecting Misfires in OBD II Engines
With OBD II, there’s no missing misfires. Most engine control systems with OBD II monitor the speed of the crankshaft between cylinder firings to detect misfires. The powertrain control module (PCM) notes the relative position of the crankshaft via the crankshaft position sensor (CKP) each time a trigger pulse is sent to the ignition system.
What is Mode $06 and the other OBD II Modes?
OBD II modes are organized into nine categories, each of which is assigned a particular mode number preceded by a $ sign to symbolize the hexadecimal code it represents.
Tech Tip: Honda MIL Comes On
The MIL comes on with one or more of these evaporative DTCs stored: P0451 (FTP sensor circuit range/performance problem); P0452 (FTP sensor circuit low voltage); P0453 (FTP sensor circuit high voltage); P1454 (FTP sensor circuit range/performance problem).
Tech Feature: Engine Technology Gets a Boost
As a technician, you’ll need to understand how Ford’s EcoBoost turbocharged gasoline direct injection engine works, since the automaker plans to incorporate it in 90% of its new vehicles over the next three years.