I suspect the V6~4.0L~SOHC, designed in the mid 1990s, was a result of Ford's engine plant management in Cologne Germany. knowing this engine family (originating in the 1960s) would be phased out over the next 10 years anyway, thus they gave the task of redesigning\converting the preceding 4.0L~OHV into the then new 4.0L~SOHC. The check engine light flashes on and off when the engine is experiencing the misfire. One or more misfire codes (P0300-P0306) will be stored in your Ford's PCM memory. P0300 Random Cylinder Misfire. P0301 Cylinder #1 Misfire. P0302 Cylinder #2 Misfire. P0303 Cylinder #3 Misfire. P0304 Cylinder #4 Misfire. 2001 Ford Explorer Sport. May 28, 2019. #1. Hey guys, I have a small leak in my heater core. It's my beater with 185k miles, so I threw in some stop leak about a year ago and its been working great. One mistake I made though was I didn't flush my cooling system before I added it. It's been about 75,000 miles since my last flush, and my coolant 2000StreetRod said: I found the following differences in the PCM pinouts from my 2000 wiring diagrams. Probably the same for a 1999. SOHC. #32, knock sensor rtn. #43, message center (fuel flow) #46, fuel cap indicator. #57, knock sensor input. #61, heated oxygen sensor #22. Use your scanner software or pressure gage and verify that the pressure is in range. '05 Aviator does not have a fuel pressure port so you need to use scanner data. Vacuum leaks. Most rough idle issues are caused by vacuum leaks. So go through the engine carefully and use whatever means necessary to find the leaks. Denver, CO. Year, Model & Trim Level. 2010 Ford Explorer XLT. February 23, 2018. #2. 94Exploder said: I have a 2006 Explorer with the 4.0 engine. It’s been running fine except for a very intermittent issue where it quietly stalls while idling in drive when stopped. At that point a red message shows in the message center saying “ CHECK An engine rebuilt or repaired after 2002 could have the best components available. There are less expensive and inferior aftermarket timing chain replacement kits available. A forum member with a late model recently experienced a balance shaft tensioner failure at around 45K miles. The 2001 and 2007 Ford Explorer Sport Trac had the most problems. That of 2007 was more pronounced since it was the worst in the second generation of Sport Trac, with the other model years of this generation giving a better performance than it did. Some drivers believe the success of the 2008 to 2010 models was due to the hard blow the 2007 July 1999. I have the chitti chitti bang bang noise in my 1999 Ford Ranger, 4x4, 4.0L engine. It sounds more like a diesel engine than a gas powered engine when cold. Almost as if a few valves need adjusted. After the engine warms up, though, it is not so bad. It sounds more like a sporty gurgle at that point. YwMiaFZ.

ford explorer 4.0 engine problems