Spark Plug Selection

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Counterman has been serving auto parts jobbers, retailers and distributors since 1983.
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VIDEO: Choosing The Right Replacement Spark Plug

If your customer’s vehicle came with an iridium spark plug, they should never replace it with a copper, platinum or double platinum plug.

Counterman Staff
By Counterman Staff
Published:

Today’s spark plugs last a lot longer than they did in the early years of the internal combustion engine, when plugs had a life expectancy of under 1,000 miles. 

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Spark plugs with tips made from noble metals such as platinum and iridium offer better performance and corrosion resistance than the standard copper/nickel plugs of yesteryear. 

Some spark plugs can be expected to last 100,000 miles or more, although with today’s gasoline direct-injection and turbocharged engines, the change intervals might range from 30,000 to 60,000 miles. 

This video is sponsored by The Pronto Network.

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Counterman Education Center

Reprogramming Transmission Control Modules

Find out if the transmission control module (TCM) is programmed — this critical step is often missed and can cause significant issues.

Counterman Staff
By Counterman Staff
Published:

You just sold a shop a remanufactured transmission, and now they are saying it's not working. After installing it in the vehicle, what questions should you ask before they remove the transmission for a return? Simple. Did you program the transmission control module? Most remanufactured transmissions do not come. This is because the remanufacturer does not know the vehicle the transmission is going into. Most transmissions require that the control module is programmed on the vehicle. Some shops may not realize they need to perform this critical last step. A modern transmission is connected to multiple modules on the vehicle. It communicates with the engine and the a BS on the high speed network. The protocols or language of the network uses OEM and vehicle specific data like the VIN and vehicle configuration for options. This data or firmware is written specifically for the vehicle by the OEM. Another task programming the transmission does is clearing existing adaptations for the old transmission.

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