Detroit 14 Liter Turbo Speed Sensor - Input Failure

AModelCat · Jan 7, 2016

Problem solved.

yaniellm · Jul 7, 2021

Smellfunny said: ↑

Just overhauled a 14 liter Detroit and installed new turbo. Owner picked up the truck and when he accelerates the check engine light comes on. The code is PID 103 FMI 8 Flash code 64 Turbo Speed Sensor - input failure

I replaced the sensor and he is still getting fault. When he is sitting it will not come on. You can rev up the truck and it will not come on. Only when he is driving. I had the computer hooked to it and we drove down the road and when the engine light comes on the turbo speed goes to zero.

He has a small leak in his charge air cooler. Other than that I don't see anything.

Any thoughts?
Click to expand...

SO DO YOU REPLACED THE INTERCOOLER

yaniellm · Jul 7, 2021

Smellfunny said: ↑

Just overhauled a 14 liter Detroit and installed new turbo. Owner picked up the truck and when he accelerates the check engine light comes on. The code is PID 103 FMI 8 Flash code 64 Turbo Speed Sensor - input failure

I replaced the sensor and he is still getting fault. When he is sitting it will not come on. You can rev up the truck and it will not come on. Only when he is driving. I had the computer hooked to it and we drove down the road and when the engine light comes on the turbo speed goes to zero.

He has a small leak in his charge air cooler. Other than that I don't see anything.

Any thoughts?
Click to expand...

SO DID YOU REPLACE THE INTERCOOLER TO FIX IT?

Smellfunny · Jul 16, 2021

yaniellm said: ↑

SO DID YOU REPLACE THE INTERCOOLER TO FIX IT?
Click to expand...

NO. The guy wrecked and they scrapped the truck.

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