September 2022 - 26
TOOL BRIEFING
The right tool
for the engine job
When diagnosing fuel systems, the age of the vehicle will
be a major player in which tool that you are going to be using.
By Ross Colket, Contributing Editor
p Figure 1- A technician's stethoscope from Snap-on or Matco's
Wireless ChassisEars are a great way to help pinpoint engine noise.
T
he modern engine has
become an increasingly
more complicated system
to diagnose and repair.
When we begin looking at diesel
engine emissions control systems
and direct injection gasoline
engines, it is a must that we
have the proper scanners and
test equipment to properly test
and repair these vehicles.
Even today's sophisticated engine is
still just a big air pump. The basics for an
engine to run are air, fuel, compression,
and spark. In the case of a diesel engine,
the ignition is coming from compression.
As the technician, it is your job to diagnose
which of those requirements are the cause
of the problem. Knowing which tool to use
is key to a quick and successful diagnosis.
If you have a basic mechanical engine
problem such as a noise or a rattle in
26 PTEN SEPTEMBER 2022 www.VehicleServicePros.com
the engine, a technician's stethoscope
from Snap-on or Matco's Wireless
ChassisEars are a great way to help
pinpoint the noise (Figure 1).
There are several engines out there
today that have issues with the valvetrain.
In many cases, you will have to resort to
opening up the engine to see the specific
damage (Figure 2).
In this picture, we can see a broken timing
chain guide on a Ford 4.0L engine.
http://www.VehicleServicePros.com
September 2022
Table of Contents for the Digital Edition of September 2022
EDITOR'S NOTE
NEW PRODUCTS
DIAGNOSTIC TECH
TOOL BRIEFING
TOOL REVIEWS
INNOVATION AWARDS
CATEGORY SPOTLIGHT
BIG-TIME BOXES
September 2022 - 1
September 2022 - 2
September 2022 - 3
September 2022 - 4
September 2022 - 5
September 2022 - 6
September 2022 - 7
September 2022 - EDITOR'S NOTE
September 2022 - 9
September 2022 - NEW PRODUCTS
September 2022 - RSC1
September 2022 - RSC2
September 2022 - 11
September 2022 - 12
September 2022 - 13
September 2022 - 14
September 2022 - 15
September 2022 - 16
September 2022 - 17
September 2022 - 18
September 2022 - 19
September 2022 - DIAGNOSTIC TECH
September 2022 - 21
September 2022 - 22
September 2022 - 23
September 2022 - 24
September 2022 - 25
September 2022 - TOOL BRIEFING
September 2022 - 27
September 2022 - 28
September 2022 - 29
September 2022 - 30
September 2022 - 31
September 2022 - 32
September 2022 - 33
September 2022 - TOOL REVIEWS
September 2022 - 35
September 2022 - 36
September 2022 - 37
September 2022 - 38
September 2022 - 39
September 2022 - INNOVATION AWARDS
September 2022 - 41
September 2022 - CATEGORY SPOTLIGHT
September 2022 - 43
September 2022 - 44
September 2022 - 45
September 2022 - 46
September 2022 - 47
September 2022 - 48
September 2022 - 49
September 2022 - 50
September 2022 - 51
September 2022 - 52
September 2022 - 53
September 2022 - 54
September 2022 - 55
September 2022 - 56
September 2022 - 57
September 2022 - BIG-TIME BOXES
September 2022 - 59
September 2022 - 60
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