Order processing time is delayed due to extended tax & stimulus refunds. Please email us ahead of time if you are on a specific timeline. Turbos and plenums are made to order and will have additional lead time. As always, we appreciate your support of our small business and look forward to working with you!

Engine Coolant Temperature Fooler

Engine Coolant Temperature Fooler

Quadstar Tuning LLC

  • $14.99

Will be in stock after

For all computer controlled 6.5L turbo diesels, this ECT fooler allows you so quickly and easily perform timing adjustments without having to fully warm up the motor.


Simply disconnect the factory coolant temperature sensor at the thermostat crossover housing and plug in this device. The computer will instantly recognize a 175-180* coolant temperature and allow you to perform the timing set or TDCO procedure.


1996-2001 6.5L Truck, Van, Hummer, Cab and Chassis

Note: We still suggest performing the final timing adjustment when the engine is at operating temperature. This device simply allows you to finish the job faster and with much less hassle.


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