Maybe $6K out the door, tax title and tags. Not sure where you are but I think you can do better. Just a FYI, my 2004 popped these codes last year as I was driving it off the lot. Dealer picked up half the cost but still. Not sure if this would affect a 2000 but worth some research.
2006 Ford Truck Ranger 2WD
Vehicle Level Technical Service Bulletins All Technical Service Bulletins Engine - MIL
Engine - MIL
ON WITH VARIOUS MISFIRE RELATED DTC
P0300-P0306 AND P0316 - 3.0L-2V VULCAN ENGINE
Some 2004-2006 Rangers 3.0L-2V "Vulcan" vehicles may exhibit:
^ Malfunction indicator lamp (MIL
) on with diagnostic trouble codes (DTCs) P0300-P0306 and P0316
^ Rough running at various RPM
^ Rough idle
This may be due to an engine exhaust valve seat recession causing a loss of compression. Refer to the following Service Procedure to diagnose exhaust valve seat recession.