Engine/Transmission (1998.5 - 2002) 8-014-01 98.5-02 Performance Enhancement For Severe Cold Weather Environments

[hammersley]

Has anybody had this TSB done??????? Shouldn't we all, if you drive or live in cold climates????

 

[truckstom]

TSB's

18-019-01 is the one I had done... it was a software update concerning cold engine high idle.

 

[pcarlson]

18-014-01

18-014-01 is the one I had done. I beleive there are a couple different numbers out there that enable the high idle/3 cylinder operation. All I know is it works when all the requirements are met. One could assume that the newer the TSB the better, but I do say ASSUME.



I think you'll be ok with this flash. I did not notice any problems with the truck after. Another option is to get the High Idler from Practical Solutions, I have this as well. The only draw back to this is that it sets a computer code do to the higher RPM at idle. Again not a performance draw back but it allows you to set your RPM at idle to pretty much what you want as they are adjustable 2 ways.



Hope this helped.

 

[1tuffram]

fuel milage

Has anyone who had the TSB for high idle done noticed a decrease in fuel milage??

 

[truckstom]

decrease mpg

not yet, hope I don't. It hasn't gotten cold enuff here yet for it to engage.

 

[Texas Diesel]

I had the high idle done last winter and it works as described. It wasnt cold enough for the 3 cylinder thing to kick in. My MPG has not changed over the life of the truck. 16-17. 5 empty, the cold idle thingy had no effect at all on mileage.