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inService >> Exhaust
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Catalytic Converters: New Diagnostic Strategies
March 11, 2014 Most catalytic converter failures trace to problems in the combustion chamber, not to defects in the converter. read more
MAF Sensor Testing Methods
 By Gary Goms July 25, 2013 Trou... read more
When To Replace Sensors And Why
 By Larry Carley July 23, 2013 Sensors are the nerve endings of the engine management system. They provide the inputs the Powertrain Control Module (PCM) needs to make critic... read more
Exhaust Leaks and the Stoichiometric Ratio
 By Scott "Gonzo" Weaver June 26, 2013 When I was a kid, I used to watch my dad, who started out as a diesel mechanic, tune up cars and trucks from time to time.  He would turn ... read more
Oxygen Sensor Inspection And Service
 By Gary Goms March 3, 2013 Oxygen sensors have been a part of the automotive maintenance scene since 1976. Since vehicles are being driven much longer today, modern zirconia and AFR sensors most often malfunction because their internal heater circuits fail or because their zirconia-based sensing elements eventually lose their... read more
A Look At O2 Sensors
February 28, 2013 Oxygen sensors have been used for more than a quarter of a century, dating back to 1980 when the first computerized engine control systems appeared. The oxygen (O2) sensor is part of the fuel management system. It monitors unburned oxygen in the exha... read more
Performing Custom Exhaust Work
 By Andrew Markel February 24, 2013 Custom exhaust work is one of the first modifications an owner may perform. It can help the car or truck breath better and make more power. But, often some vehicles do not have a performance system available because the vehicle is too new, rare or the owner wants something special. read more
Service Tech 2013
January 16, 2013 Nearly every tire dealer offers vehicle service, whether basic maintenance or complete repairs. We've compiled an extensive collection of key questions often asked by service technicians of all skill levels, and responses from our cadre of auto service experts. read more
Legal Performance Exhaust Service
 By Gary Goms June 12, 2012 OBD II-compliant vehicles must meet specific exhaust system design parameters to prevent setting false engine management trouble codes. ... read more
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