[Guest]

Can anyone tell me what are the benchmark RPM's when my 2001 Expedition is idling in neutral/park...Currently it's about 1,350rpm...Is this right?...When in drive or reverse it drops to 1,200rpm.

Phil

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[SST EXPY]

cilly question... Where you live, is it cold right now?
Does this happen when the truck is already been driven for a while?
I know most cars when temps drop take a moment to warm up so the rpms go up a bit.
I know that was "basic" info but if you could tell us more... we might be able to assist you a little better? possibly...