2010 Jeep Wrangler: Transmission Stuck In Second Gear
The 2010 Wrangler’s transmission solenoids are powered through its totally integrated power module (TIPM), which is a fuse and relay box with a logic board that controls most body electrical functions.
Diagnosing Pulse-Width Modulated PWM Fuel Pumps
Here are five things you should know about pulse-modulated fuel delivery systems.
A New Look At Cooling System Technology
Auto manufacturers are continuing to increase fuel economy and power output by changing how the cooling system operates. Make sure you’re up to date on modern cooling system technology.
Undercover: Lessons In Off-Road Suspension Systems
There’s a lot more to building a rugged off-road vehicle than just raising the suspension height and installing big tires and wheels.
Flex Fuel: Ethanol vs. Gasoline
For political and economic reasons, the use of ethanol gasoline in the U.S. has always been controversial.
Timing Chains In Hyundai Engines
Although Hyundai uses a single timing belt on its 2.7L V6 engines, its 3.3L, double-overhead camshaft engine is equipped with one timing chain for each camshaft and one drive chain for the oil pump. At first glance, a timing chain design allows engineers to shorten the overall length of the engine and reduce rotating friction.
Diagnosing Electrical Power Steering (EPS) Issues
Electric steering is a non-hydraulic system assisted by an electric motor operated by a software-driven power steering module.
Five Timing Chain Warning Signs
Here are the top five things you should be checking to resolve a timing chain problem before it breaks.
CAN Communications Diagnostics: Honda Case Study
This Honda was towed in with a loss of power, check engine light on and a P1607 code indicating an internal PCM failure.
Wiring Harness Diagnostics On Dodge Sebring
This month’s Diagnostic Dilemma begins with a 2004 Dodge Sebring, 2.7-liter VIN R, which ended up in a towing company parking lot after stalling on a rough country road.
Trailer Brakes: Connector Outlet Electrical Diagnostics
The owner of a 1999 Dodge 2500 Ram pickup called me mid-summer with an ABS and check engine warning light problem on his instrument panel and no trailer brakes on his fifth-wheel horse trailer.
Diagnosing Tire Wear Problems
Give him an unusual tire wear complaint, and he’ll give you a tire wear problem that begins and ends at the steering knuckle, says Gary Goms, who adds that diagnosing a “green-zone” camber problem requires an understanding of steering geometry far beyond what a basic knowledge of camber, caster and toe angle can solve.
