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.
Getting Stoked to Service the 6.0L Power Stroke
If there were one engine that plagues the mid-size diesel world, you would have to say that it is the 6.0L Power Stroke. The 6.0L came into existence because the EPA demanded tighter emissions laws for diesel engines. Even though the 7.3L was branded as the reliable workhorse for Ford, it would never be able to pass the tighter emissions laws that were going to come into effect for 2004.
New Airtex Vehicle Electronics Video Tackles Complex P0171 Challenge
The new seven-and-a-half-minute video, “P0171 Chevrolet Trailblazer Diagnostics,” explores the reasons for intermittent lean fuel conditions – and the resulting diagnostic trouble code – on a 2006 Trailblazer equipped with a 4.2-liter engine.
Tech Tip: Chrysler Vehicle (300/Magnum/Charger) Has Multiple DTCs Set, MIL Illuminated
This bulletin involves repositioning the upstream oxygen (O2) sensor connectors and replacing the wiring harness connector(s) and O2 sensor(s) as necessary.
Tech Tip: Volkswagen Check Engine Light is on with Fault Code P0420
If you find that the Check Engine Light (MIL) is on with fault code P0420 (16804) stored in the fault memory, the condition may be caused by a defective catalytic converter(s). If any other fault codes are present besides catalyst (CAT) faults, the other codes must be addressed and corrected before proper/complete CAT testing can be performed.
Tech Tip: VW’s Check Engine Light is On with Fault Code P0411
When diagnosing various VW and Audi vehicles, the Check Engine Light (MIL) is on and fault code P0411 (16795) is stored in the fault memory.
Tech Feature: Courage Under Misfire
Generally, when a customer brings a vehicle into a shop that has a misfire concern, they will describe it as bucking, jerking or loss of power. They also may describe it, depending on the cause, as a jerking when they take off from a start, but smoothes out once the vehicle gets moving. They may tell you the check engine light has been flashing.
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 Feature: Predicting Failures Through Mode $06
The PCM has several diagnostic modes. Depending on your scan tool and your use of it, you may get to see some or all of these modes. Also, depending on your scan tool, you may be accessing the various modes in the PCM without referring to them as “modes.”