Compression Ignition Addict
Join Date: Jun 2007
Location: Casper, WY
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Ford issues a TSB on this issue a while back, here is their offical statement from Dieselmann's website.
"94-03 7.3 Idle Lope on Cold Start:
Ford has determined that the engine loping on a cold start is a characteristic of the engine. They are recommending to use a lower viscosity oil--10W-30 meeting API service CH-4 or CI4--to reduce the condition. They also suggest plugging in the block heater when outside temperatures are below 30 degrees and/or waiting up to two minutes with the key on before starting the engine to allow the glow plugs to fully heat the cylinders. Broadcast Message 1050."
RIP: 1996 F-250 X-Cab Long Bed
Now: 2006 Ram 2500 CC SB SLT 6 Speed