Diagnosing & Servicing Automatic Transmissions
To prevent having any service from being over sold or under sold, it is important to not only know that a particular service should be performed, but also why it should be performed. That knowledge can also help you spot when to recommend that service, and when not to. When speaking about transmission fluid, the
GMC/Chevy Light Truck: Central Port Fuel Injection Diagnosis
Back in 1992, General Motors introduced a new type of fuel injection system known as “Central Port Injection” (CPI), which GM also refers to as “Central Multi-point Fuel Injection” (CMFI). The system was used on 4.3L V6 Vortec engines through 1995, and was redesigned in 1996 and renamed “Central Sequential Fuel Injection” (CSFI). The system
Tech Feature: Getting Up to Speed on Hybrid Vehicles
Hybrids are hot. As the price of gasoline goes up, so does the demand for new vehicles that can squeeze more miles per gallon from every drop of gasoline. Hybrids do that by combining the best of both worlds: electric power for low-speed, stop-and-go driving, and gasoline power for highway cruising and long-range driving.
Tech Tip: Ford 6.0L Engine Misfire, Lack of Power or No Start
Some 6.0L vehicles may exhibit a misfire, lack of power, buck/jerk, excessive smoke or crank/no start. There are several potential causes for these symptoms. If normal diagnostics lead to an injector concern, use the following diagnostics to confirm the cause of injector failure and/or to rule out other conditions which may cause the same symptoms as a failed injector.
Hybrids: Basic Service & Safety Procedures
Hybrids are hot. As the price of gasoline goes up, so does the demand for new vehicles that can squeeze more miles per gallon from every drop of gasoline. Hybrids do that by combining the best of both worlds: electric power for low-speed, stop-and-go driving, and gasoline power for highway cruising and long-range driving. Current
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
Foreign Affairs: Getting Nissan Engines Back to Peak Performance
/Articles/06_01_2007/60754gif_00000014067.gif” width=”156″ height=”146″ alt=”” border=”0″ align=”right” /> In this article, we’ll take a look at some of the common problems that affect engine performance. With on-board diagnostics (OBD), many of these problems will cause a check engine lamp (CEL) and store a code. With most of us becoming comfortable and proficient while working with OBD
Carley’s Corner: Will High Gas Prices Help or Hurt Your Business?
Summer is back and so are higher gasoline prices. Though the price of gasoline dipped as low as $2.00 a gallon in many areas of the U.S. over the winter, the price shot back up in late spring to more than $3.25 in many parts of the country. Where the prices will peak is anybody’s
Emissions Analyzers: What is Really Going On Inside that Engine?
An emissions analyzer is one of the most useful pieces of diagnostic equipment you can own. Scan tools are great for reading fault codes and sensor data, but a scan tool by itself can’t tell you what is actually going on inside the engine’s combustion chambers. A scan tool can read misfires and tell you
Tech Tip: Uncovering Hidden Culprits Speeds A/C Diagnostic Process
Many of our customers consider air conditioning to be a necessary, rather than an optional, vehicle amenity. For this reason, it has to work on demand. Why shouldn’t your shop garner these A/C service and repair opportunities? To aid your efforts, this article is going to look at some of the most common A/C problems we encounter on the Honda vehicle lineup.