2003 Ford Ranger engine and engine cooling problems
18 owner complaints filed with NHTSA name the engine and engine cooling on the 2003 Ford Ranger — 7% of all complaints for this model year.
What owners report
“2003 ford ranger 4.0l 4wd at. Two of the six valve seats in the engine dropped causing the engine to lose compression after less than 70k miles. Noticed loss of power, took it in and had to pay over $2k in repairs even though it was still under warranty. The valve seats were replaced. The problem…”
filed Nov 13, 2007
“Tl*the contact owns a 2003 ford ranger. While decelerating at 10 mph, all of the fluid spilled out from the clutch cylinder or either a failed hose. The contact is uncertain and the vehicle has not been diagnosed. He is certain, however, that oil was leaking between the transmission. The vehicle…”
filed Jun 27, 2007
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Possible engine damage - install special service tools prior to removing crankshaft pulley bolt. *kb
06166 · Service Bulletin/Repair Instructions · issued Feb 27, 2007Possible engine damage - install special service tools prior to removing crankshaft pulley bolt - service tip. *tt
06116 · Service Bulletin/Repair Instructions · issued Jan 1, 2006Buck/jerk and miss during drive cycle above 3000 rpm - no dtc - 3.0l 2v gas and ffv engine. *tt
052212 · Service Bulletin/Repair Instructions · issued Nov 14, 2005
Engine and Engine Cooling problems in other Ranger years
| Year | Reports | Share |
|---|---|---|
| 2022 Ranger | 1 | 3% |
| 2021 Ranger | 3 | 3% |
| 2020 Ranger | 2 | 2% |
| 2019 Ranger | 5 | 2% |
| 2011 Ranger | 2 | 1% |
| 2010 Ranger | 1 | 1% |
| 2009 Ranger | 3 | 2% |
| 2008 Ranger | 2 | 1% |
| 2007 Ranger | 3 | 1% |
| 2006 Ranger | 7 | 3% |
| 2005 Ranger | 10 | 3% |
| 2004 Ranger | 17 | 4% |
Other reported problem areas on the 2003 Ford Ranger
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.