Troubleshooting the Infiniti IQ X56

We as technicians are handed puzzles that need to be solved daily. These puzzles come in the form of broken automobiles; broken due to natural wear...

Servicing the Audi Q3, Part 1

Oil Separator, Park/Steer Assist and Parasitic Draw

Consider this a “cold weather” check

Four distinct parts are offered within this series of articles and are an aid towards basic service for models such as the Audi Q3 and VW Tiguan which sha...

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Volvo XC90 (2003-2013)/XC70 (2001-2007) Fuel Tank Removal and Replacement

This job is not a common repair, and it is somewhat complex. Only in a few cases will the fuel tank be replaced in order to fix an evaporative...

StarTuned June 2021

In this issue: CO2 as a Refrigerant • NASTF and the VSP Registry • MIL Code P0513 • Causes of DTCs P0170 and P0173 • Blind Spot Monitoring Systems

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Diagnosing a Honda Accord Damaged Key Cylinder Failure

A co-worker had an ignition key problem and soon thereafter the entire key cylinder failed, disintegrating to the point of a total failure. The...

Replacing Volvo Water Pumps

The water pump is a vital part of the coolant system and should be checked frequently during services. Coolant system diagnosis and repair can...

The Infamous U1000 Code: A Study in Nissan Network Diagnostics

It is often a moment of considerable discomfort for many technicians when faced with the message on their scanner, “No Communications.” Usually, it...

Toyota Camry Crank No-Start 2GR-FE or not 2GR-FE

The flashing lights of the tow truck made my heart sink. The last few vehicles that had been towed in should have gone straight to the salvage yard,...

The Mercedes-Benz CCP, Part 3: Instructor-led Training that Works – Getting Even Better

Editor’s note: This is the third and final article about the Mercedes-Benz collision repair certification program. All content in this article was...

The Right Stuff: Identifying the Correct Mercedes-Benz Service Fluid

One of the more challenging tasks in this business is identifying the correct service fluid for a vehicle system. Some fluids, such as engine oil,...
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ATI provides professional technicians with a regular diet of repair information on BMW, Mercedes-Benz, Nissan, Volvo, Volkswagen,
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Is It a Gross Leak in the EVAP System?

Is It a Gross Leak in the EVAP System?

Is It A Gross Leak In The EVAP System? This 2008 Porsche Cayenne GTS Is producing a P0455 Code but is it in the EVAP system? In this video, we’re going to cover the P0455 Code and explore what we found.

When is a vacuum leak not a vacuum leak?

When it’s hiding in the EVAP system of a Porsche Cayenne.

A P0455 code points to an EVAP problem, but the EVAP system checks out OK with our smoke tester. And the purge valve checks out as well. So where could the problem lie?

Our derFix Super Sleuths unravel the mystery.

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