Originally Posted by Scrappy71
Occasional white smoke.
Factory gauges are just about useless. Remove your EGR valve and look to see if valve is wet or the intake hole is wet inside. You can park the truck so the nose is lower than the rear or put rear up high with jack stands, this will allow coolant to flow toward the front of the intake if the EGR cooler has failed.
You really should have a aftermarket monitor solution.
Things to consider about owning a 6.0L
Write Up: Monitoring the 6.0L PSD.
Check your ECT/EOT delta, you may have to replace the oil cooler also.
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