Emissions Archives - Page 17 of 24 - UnderhoodService
Tech Tip: Nissan Altima, Sentra with MIL On and DTCs P0100/ P0102/P1102 Stored

If you confirm that an applied vehicle has DTCs P0100/P0102/P1102 stored and may also exhibit a rough-running engine, slight engine speed variation while driving or low engine power, follow the procedures outlined below.

New Emissions Technology: Fuel Economy, Global Warming & Alternative Fuels

We can expect to see more innovations designed to improve fuel economy and/or eliminate our dependence on oil altogether, says Technical

Technician Going to Jail for Issuing Fraudulent Smog Certificates

Thanh Dang, a technician at Atherton Smog in Menlo Park, CA, has pleaded no contest to charges of issuing fraudulent smog certificates for more than 100 vehicles. Court records show that motorists paid $150 instead of the normal fee of $80. Dang used the extra $70 to pay gambling debts.

Thieves Targeting Catalytic Converters in Wal-Mart Parking Lot [VIDEO]

Police in Atlanta, GA, say thieves have targeted vehicles parked in a Wal-Mart parking lot several times during the past month. With the right saw, it only takes the thieves a minute or two steal a catalytic converter.

Scrap Metal Task Force Catching Catalytic Converter Thieves in Oregon

Catalytic converter thieves can make up to $1,000 a night. To combat this, a newly formed scrap metal task force in Washington County, Oregon, is arresting catalytic converter thieves when they attempt to sell their stolen converters to area recyclers.

2010 Walker Emissions Control Catalog Features Hundreds of New Parts for Domestic and Foreign-Nameplate Models

Among the new parts highlighted in the 2010 Walker catalog are more than 50 additional direct-fit Walker Ultra OBD II catalytic converters, dozens of CalCat converters for the California market, 21 manifold converters, 46 additional Quiet-Flow SS stainless steel mufflers, and nearly 80 new pipe SKUs.

Tech Feature: Diagnosing Ford Exhaust Gas Recirculation System Problems

To diagnose and repair Ford exhaust gas recirculation (EGR) systems properly, it is important to understand how they work and what is unique to the product line.

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.

Directions: The Impact of HF0-1234yf on Service Shops

According to the new refrigerant’s developers, there are chemical differences between HFO-1234yf and the current R-134a system. As a shop owner, you’ll need to learn the Safety, Equipment and Charging Issues surrounding this new refrigerant.

Tech Tip: Diagnosing a VW/Audi MAF Failure

One of the most common failures on 2000 and newer Volkswagen and Audi cars is the mass air flow (MAF) sensor, but properly diagnosing such a failure can be problematic.

Nearly 250 Catalytic Converters Stolen from Litchfield, CT, Business

Jeffrey Dinwell told a reporter from WFSB-TV Channel 3 that someone broke into Ding’s Auto Salvage Yard this past weekend and stole nearly 250 catalytic converters. The catalytic converters were locked in a storage container, but that didn’t deter the thieves.

Leak Detection Tools & Equipment

Having the right tools to help you find leaks can save time and effort, and reduce the risk of comebacks. This special section features some common types of leaks and what kind of equipment you can use to find them, as well as a Leak Detection Product Showcase.