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Tech Feature: Taking it to the Streets
We have all seen in our industry that a “streetable” racing engine or a “raceable” street engine appeals to a broad spectrum of potential engine buyers because of its flexibility. Yet, everyday street driving is not the same thing as serious drag racing. More
Tech Feature: Lack of Power Leads to Exhaust Restriction Analysis
In the early days of carburetors and mechanical fuel pumps, most lack-of-power complaints stemmed from vapor locking on the fuel pump or the fuel filter clogging. But that's becoming the exception rather than the rule. More
Tech Tip: GM Mass Air Flow Sensor Failure
Instances of repeated Mass Air Flow (MAF) sensor failure on General Motors applications utilizing the remote-mounted Delco unit can often be traced to an engine back-fire condition. The sudden intake pressure buildup can induce cracking of the heated element resulting in MAF sensor failure. More
Tech Tip: Ticking or Knocking Noise Coming from Some Ford Catalytic Converters
Some 1997-2003 F-150 vehicles equipped with any engine, and 1997-1998 F-250 LD vehicles equipped with the 5.4L engine, may exhibit a ticking or knocking noise coming from the catalytic converters. More
Catalytic Converter Tech Feature: Diagnosing P0420 or P0430 DTCs
Although modern OBD II technology has simplified catalytic converter diagnostics, it's still important to understand the basics of catalytic converter operation when dealing with a P0420 or P0430 DTC. Gary Goms explores the basics of catalytic converter chemistry and summarizes how common converter failures can be diagnosed. More
Code P0420: The Dreaded Diagnostics of Catalytic Converter Replacement and Oxygen Sensors
You just pulled a P0420 from a vehicle indicating the catalyst system efficiency for one of the banks is below threshold. What is next? Could it be just the oxygen sensor? Or, could it be the catalytic converter? These articles will help you understand why the OBDII code was set and what further test must be performed to determine the root of the problem like a coolant leak, oil blow by or other problems... More
Tech Feature: Curbing Catalytic Converter Thefts
Catalytic converters have been disappearing at an alarming rate. The theft of these emission control devices is being perpetrated by sleazeballs looking for easy money. A thief can hock a pilfered converter for $25 to as much as $100 depending on the value of the precious metals inside it. More
Tech Tips: Kia Muffler Pipe Drain
This bulletin provides information related to a reported "no-start" condition on some Sportage models after they're parked overnight in areas where the temperature is below freezing. More
Nissan: Repair of Exhaust Leak/Noise at Front Tube
If you confirm that a 2002-'03 Pathfinder has an exhaust leak or noise coming from the front tube(s), inspect both front tubes for cracking at the welded side seams. More
Tech Tip: Wave Dynamics for Headers and Pipes
Depending upon the market to which an import shop might be catering, the term "performance exhaust" can have two different meanings. The first market actively seeks out the throaty rumble and chrome-plated look as part of the street-driving scene. The second market installs an exhaust system that produces the most horsepower for a performance application. Sometimes the two markets are identical and... More
 
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