Compression Ignition Addict
Join Date: Mar 2006
Location: Medicine Lodge, Kansas
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Another word for it would be cylinder wash/washdown.
This problem only occurs when you let your truck idle for long periods of time (in excess of 5 min.) quite often (more than 2-3 times a day) as the truck continues to idle the cylinder temps. drop resulting in some fuel not being burnt. Eats at the rings and causes excessive premature wear.
The high idle feature helps as long as it keeps the EGT's above 300-400* while it's on the setting. Another option is to engage an exhaust brake while idling to create back PSI on the system and raise EGTs.
1994 Dodge Ram 2500 CTD 330hp/765tq - work truck
2002 Ford F150 - daily driver
Last edited by ndurbin; 09-11-2006 at 11:56 AM.