Started stalling when put into either drive or reverse. Does not want to restart unless you hold the gas pedal fully depressed. Then it takes several tries to get it started. Runs and accelerates fine when not in gear, but, as soon as it's dropped in it dies.Plenty of fresh gas in the tank, maintained regularly with oil changes at 3000 miles ect.
Check the fuel pressure with a gauge. The pump may be going bad
SOURCE: engine stalls after cold start-up & release from high speed idle
I had a similar problem. I found the filter cartridge below the pcv valve had carboned up, and after the crank case pressurized, oil was forced out the pcv supply line to the throttle body. The idle air control valve solenoid got oil in it and caused my problem, but only when it was cold. The pcv cartridge is accessed by removing the pcv valve and the rubber fitting that the pcv valve mounts in. It can then be fished out with a pick set, and it is a pain because you can't see it, but you can get you hand back there. I hope this helps you.
SOURCE: '00 Mercury GM - oil all ran out, engine seized - runs poorly now
Your problem is that you ran the engine without oil. In doing so, you damaged most (if not all) the bearings in the engine. There is nothing you can do to make this engine better except to do a complete rebuild. Bad bearings will result in extra internal friction. Thus engine will run terrible, probably knock, have less power, and use more gas.
SOURCE: Changed oil and message center still says oil
Ford Explorer, Mercury Mountaineer, 2002-06
To reset CHANGE OIL SOON/OIL CHANGE REQUIRED message on the Message Center, press the SET UP control to access the System Check mode. Press and release the RESET button to display “OIL LIFE % HOLD RESET NEW” is displayed. Press and hold the RESET button for 2 seconds until “IF NEW OIL HOLD RESET” is displayed. Press and hold RESET button until “OIL LIFE SET TO 100%” is displayed.
Ford Five Hundred, Freestyle, Mercury Montego 2005-06 Tap the ODO/TRIP button to toggle the display between the odometer and trip odometer. Tap on the ODOiTRIP button again to toggle the display between the trip odometer and OIL LIFE % display. Press and hold the ODO/IRIP button for 2 seconds or more to display OIL LIFE 100%. Your oil life in now reset.
SOURCE: I have a 2004 Mercury Mountaineer. Sometimes when
you probably should change the transmission fluid and filter with that many miles on it.
SOURCE: Engine Stalls
for the oil pressure guage issue you need to change the oil pressure sending unit.
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just had the same problem and believe me or not it was the temp. sensor
truck would run fine till got warm and would die when put in gear "drive or reverse" the temp. sensor was bad which was telling the comp. the truck was over heating and would kill it so no further problems would happen...15 dollar fix hopes this helps others
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