Foreign Affairs: VW P Codes — … Putting Out The MIL
After 10-plus years of dealing with OBD II, it should be apparent that we are on a learning curve that probably has no end. Almost daily we have a Volkswagen model come into the shop with a check engine light on, or a “state OBD II failure” form. Although we have the latest scanner software
Tech Tip: Volvo Alternator Charging Problems
A 1999-2002 S60, S80, V70 or XC70 model may exhibit alternator charging problems. Analysis of damaged alternators shows that the regulator may get damaged due to extreme weather conditions with high temperature and high humidity. The regulator may fail in two phases.
Tech Tip: Nissan Truck has MIL On, Stalls
Use this bulletin if a 1996-1997 Nissan truck will not maintain idle or idles roughly after an engine cold soak and/or the MIL is on with DTC P0400 stored in the ECM. A countermeasure EGR valve is available to resolve such incidents if the cause is a sticking EGR valve.
Honda Tech Tip: MIL On/DTC P0133 Set
Some brands of fuel and/or fuel additive packages may create deposits at the fuel injector tips. This buildup may cause slight air/fuel deviations between each cylinder. Buildup of these deposits, when coupled with very specific driving conditions, may cause the MIL to come on and the powertrain control module (PCM) to store DTC P0133.
Tech Tip: Poor Throttle Response on Volkswagen Vehicles
Some 1998-2003 Golf, Jetta, Jetta Wagon and new Beetle models with 1.9L TDI may exhibit poor throttle response. The following Tech Tip from ALLDATA will help diagnose and repair this condition.
GM ‘W Platform’
Preventive Maintenance and Undercar Service
Diagnostic Dilemmas: Symptom Diagnosis…The Journey Begins
When I first began my automotive career way back in 1957, the symptoms of an ailing engine were very apparent. A carburetor with a worn accelerator pump, for example, would characteristically stumble on acceleration and a closed-up set of distributor contact points would cause the engine to become very sluggish. Low fuel pressure caused by
Kia Tech Tip: TCM Logic Revision
This bulletin provides information related to a logic change in the Transmission Control Module (TCM) for 2001 Rios, and 1998 through 2001 Sephia and Spectra vehicles built after Oct. 18, 2000.
Servicing Solutions: GM’s Durable Duramax Diesel
General Motors launched the Duramax Diesel 6.6L V8 engine in the Chevrolet Silverado and GMC Sierra 2500HD and 3500 Series trucks with Allison automatic transmissions in 2001. The application expanded to the Chevrolet Kodiak and GMC Topkick medium-duty trucks for 2003, with 16,000-, 18,000- and 19,500-lb. gross vehicle weight ratings (GVWR). According to its engineers,
Servicing Solutions: GM’s Durable Duramax Diesel
General Motors launched the Duramax Diesel 6.6L V8 engine in the Chevrolet Silverado and GMC Sierra 2500HD and 3500 Series trucks with Allison automatic transmissions in 2001. The application expanded to the Chevrolet Kodiak and GMC Topkick medium-duty trucks for 2003, with 16,000-, 18,000- and 19,500-lb. gross vehicle weight ratings (GVWR). According to its engineers,