Test Calibration co., Inc. opened in 1976. Our goal was to rebuild, service and sell diesel fuel injection systems, diesel fuel injectors and diesel turbochargers. Since that time, the design and technology of injection and turbos has changed.

Today, manufacturers have advanced electronically controlled diesel turbos and fuel injection. Test Calibration has kept up with this advancing technology. We have invested in state of the art equipment and the latest up to date training available. We do this so we can provide you with a full spectrum of services for these advanced electronically controlled diesel injectors. Test Calibration services many manufacturers equipment. We also stock parts for those same manufacturers. For a full list of the manufacturers we service, please go to our About Us page. Please Contact Us today and allow us to help you get up and running again!

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* Why Turbochargers Fail:

Turbochargers "fail" for a number of reasons. Some of these reasons include:

• Foreign object damage.
• Contaminated oil supply.
• Restricted oil supply
• Maybe issues related to the turbo oil drain system and/or the engine breather system.

More specific reasons why your turbo may fail are:

• Contaminated oil
• Dirty oil
• Lack of lubrication
• Low oil pressure
• Kinks in the oil inlet lines
• Clogs in the oil inlet line
• Plugged air cleaners
• Collapsing hose connections
• Undersized air pipes
• Prolonged engine idling
• Over-fueling
• Hot engine shut-down
• Improperly installed gaskets and nuts/washers dropped into the exhaust system.

* Preventing Turbocharger Failure

Taking preventative measures when using a turbocharging system can and will increase the life of any turbocharger. Keep in mind these steps when using a turbocharging system:

• Keep clean oil in your engine
• Keep the air filter clean and unrestricted
• The duct work from the air cleaner should be free of holes
• The duct work connections should be tight to prevent leaks
• Warm up the engine for two to five minutes prior to throttling up and let engine idle for approximately 2 minutes prior to engine shut down.

When your turbocharger or fuel injection system does fail, give us a call. We can repair or replace it promptly!