Category: Technical & How-Tos

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Adjusting Displayed Fuel Economy on Mk7 TDI

If your in-cluster display (aka MFD) is displaying MPG numbers that are not accurate you can correct this and bring the MPG numbers closer to reality by adjusting the calibration number using VCDS.

New Project Vehicle – 2017 GMC Canyon

After the Ford Ranger was discontinued in 2011, the only option for a midsize pickup truck was the Toyota Tacoma.  Thankfully, GM re-entered the market in 2015 with the new Colorado (and Canyon twin). Our crew here at IDParts was obviously thrilled when GM decided to put a torque-y 4-cylinder diesel engine in the truck. ...

Buying a Fixed TDI? Things to Check!

BostoVolkswagen is auctioning bought-back TDIs to dealers for fix and resale. There are quite a few available (3,400 on cars.com last time we checked) and they appear to be selling well. Many TDI fans see this is their last chance to snag a nearly-new TDI, as VW says they won’t be importing any in the ...

Checking AdBlue/DEF Level On Your TDI

Unlike most diesel trucks, VW does not equip their vehicles with a DEF level gauge anywhere in the instrument cluster.  This makes it hard to determine how much DEF is in the tank, especially when trying to decide how much DEF to add during a refill. Spilled DEF can be messy and hard to clean ...

Colorado ZR2 Duramax: The Best Factory Package Ever?

Last year Chevrolet re-introduced their compact pickup, the Colorado (or Canyon in GMC form).  We were excited to see that Chevrolet fulfilled their promise to offer a diesel-version.  The stout 2.8L inline 4-cylinder engine was torquey down low and made all the right noises.  We came away from our test drives impressed, though worried there ...

What to do if your diesel fuel gels

If you can’t start your diesel after a colder-than usual night, or if the engine is running rough and with low power, you might be experiencing fuel gelling.  Read more about fuel gelling, how to prevent it and what to do about it if it occurs.

BMW 335d Tune Update

Earlier this year we added a 2011 BMW 335d to our project car lineup. The car’s been trouble-free since purchase. All we’ve done is some routine maintenance (oil and filter, cabin and air filter) and we’ve made a few improvements. First was to jettison the heavy OE wheels and run-flat tires for Kosei wheels and ...

Rebuilding Your TDI Fuel Injectors

First, let’s get this out of the way: Fuel injectors are a wear item on all diesels, including the VE, or rotary pump TDIs sold in North America from 1996 through 2003. Although projected wear rates vary, by the time your TDI approaches a quarter million miles, odds are the nozzles are worn and the ...

Diesel Engine Runaway – What is it? What do you do about it?

Engine runaway is a dangerous condition that is more common in diesel engines than gasoline engines. Read on to learn how to handle this situation!