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Compression Testing | ASE Practice Questions (VIDEO)

Description Technician A has just completed a dry compression test of a four-cylinder engine. All four cylinders are below specification by about the same amount. After performing a wet compression test, values remained unchanged. What could cause this condition? A)...

When a Voltmeter Isn’t Enough (Video)

Description With the variety of electronically controlled systems on a modern automobile, the days when a test light or simple voltmeter was enough to diagnose problems are long gone. Using a digital storage oscilloscope (DSO) can make troubleshooting faster and more...

P0420/P0430—The #1 DTC in the Country

DTCs (Diagnostic Trouble Codes) P0420 and P0430 are generic industry codes and part of the OBD-II standards. The descriptor labels the code(s) “Catalytic Converter Efficiency Below Threshold – Bank 1 (or 2)”. And the number one part sold to repair this problem is a...

Troubleshooting Fuel Trim–ASE Practice Questions (VIDEO)

Description 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...

Add or Delete These Simple Parts to Help Customers Save Money

Looking for an easy way to win over your customers that they’ll enjoy every time they drive? Look at their vehicles from a hypermiler’s perspective. In case you haven’t heard the term before, the hypermiling community is obsessed with optimizing their vehicles’ fuel...

Are You Properly Checking Hub Bearings For Wear? (VIDEO)

Description The old “grab the wheel and shake” test you may have used for tapered bearings doesn’t apply for the hub bearings found on most of today’s vehicles. Pete Meier explains how a dial indicator is necessary for a true wear check.Related Videos

Efficiency is the Name of the Game

Someone once told me that successful auto repair is a game of inches. But in our fast-paced, ever-evolving industry, inches are no longer accurate—we need to hit the bullseye every time. Margins are tighter, technology is advancing rapidly, and customer expectations...

Bump steer – ASE practice questions (VIDEO)

Bump steer – ASE practice questions (VIDEO)

Bump steer – ASE practice questions (VIDEO) Description All of the following could cause bump steer EXCEPT: A) Incorrectly mounted steering rack B) Worn idler arm C) Worn center link D) Incorrect camber More ASE Practice Questions Bump steer – ASE practice...
When NOT selling helps business

When NOT selling helps business

When I was a wee sprat in my first automotive job selling service, I was beleaguered by a tech in the shop who wrote thorough, lengthy estimates. He would occasionally blow up at me for not selling enough, going so far once as to accuse me of not even trying to sell...
Brake drum – ASE practice questions (VIDEO)

Brake drum – ASE practice questions (VIDEO)

Brake drum – ASE practice questions (VIDEO) Description When checking a brake drum during service, all the following should be checked EXCEPT: A) Diameter B) Out-of-roundness C) Minimum thickness D) Taper wear More ASE Practice Questions Why don’t you keep...