Four proven ways to run a tighter ship at your shop.

Two technicians are examining a tapping sound coming from a V6 engine. Technician A says the noise could be caused by a bent pushrod. Technician B says the noise could be caused by escaping exhaust gas. Who is correct?
Technician A and Technician B are discussing ways to use fuel trim as a troubleshooting aid. Technician A says that fuel trims that are correcting for a lean condition at high RPM and load conditions indicates a problem in fuel delivery. Technician B says that this condition is caused by a vacuum leak.
Technician A is diagnosing a misfire. He states that a misfire is caused by a fault in the ignition system and that new plugs and coils will repair the problem. Technician B says that a misfire is detected when the ECM detects a variation in crankshaft speed.
When placing an airbag on a workbench, which is the safest direction for it to face? We have the answer.
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