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Tech Tip: Installing Timing Belt Covers with Guides for 2001 Hyundai Sonata, Santa Fe

Some 2001 Hyundai Sonata and Santa Fe vehicles may experience rough running, rough idle, lack of power at low rpm, or the check engine light on. This may be caused by the exhaust camshaft coming out of time, which can be fixed by installing a new timing belt cover. More

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

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