Difficult Diagnostics: A Rough Running Toyota
Difficult repair-ability did not stop the owner of a Toyota from having serious engine repair done.

Utilizing Pressure Transducer Waveforms to Diagnose a Misfire
Can a classic misfire be diagnosed by analyzing pressure transducer waveforms?

An Analysis of Battery Voltage and Current Waveforms
Diagnosing an illuminated AWD malfunction warning lamp.

Diesel Diagnostics: Intermittent Loss of Power on a VW
After scanning this VW Turbo Diesel, the vehicle revealed several codes, but no direct “smoking gun.”

Diagnose, Repair, Repeat
An expert approach to a vehicle that would not cooperate.

Maximizing Tools: Inquiring Minds Want to Know
Can a classic misfire be diagnosed by analyzing pressure transducer waveforms?

Maximizing Tools: Engine Dentistry
Our repair shop mainly sees low-end cars with the most popular brands being Chevrolet, Renault and KIA. Occasionally we may see some Toyotas. Every once in a blue moon we may see a Subaru or Isuzu. So, in a shop like ours, you need to know how to diagnose and repair all of them.

Maximizing Tools: DTC P0304 & The Cost to Find a Problem
Many technicians are just itching to replace the spark plug or coil when faced with a misfire code. However, if you understand that a misfire code actually means “lack of combustion,” then there are suddenly many possible reasons for the code, such as a defective injector or lack of compression.

Diesel Diagnostics: CKP Failures
The CKP (Crankshaft Position Sensor) is necessary for an electronically controlled diesel engine to even start.

Maximizing Tools: Big Consequences of a Small Problem
When the brake pedal was pressed, the park lamps illuminated along with the stop lamp. The opposite was also true. Find out the reason for this VW’s errant behavior.

Maximizing Tools: Diesel & EGR
A 2008 Hyundai Santa Fe with no codes but an intermittent loss power and throttle response caused a few problems for our contributors — as well as other shops before it reached them.

Maximizing Tools: No-Pressure Nissan Won’t Start, Gushes Exhaust Gases
This month’s Maximizing Tools involves a Nissan that was towed into the shop as a no-start. The engine stalled while driving and would not restart. See what DTCs were pulled and how our experts diagnosed this vehicle.
