Tech Tip: Coil-On-Plug Misfire Diagnostic Tips For Ford/Lincoln/Mercury Engines
The misfiring cylinder must be identified through Self-Test misfire codes or through WDS Power Balance. Rule out base engine problems; rule out fuel problems; and then look at
ignition problems (be sure to rule out coil primary circuit issues).
‘Exploring’ Service Needs On The Ford 4.0L V6 Engine
Rated at a rather anemic 210 horsepower, the 4.0L SOHC V6 is not exactly a high output engine. It also has an unusual overhead cam drive setup. Unlike most other OHC V6 and V8 engines that drive both overhead cams directly from the crankshaft with a belt or chain, this engine has an intermediate jackshaft in the middle of the block where a pushrod cam would normally be located.
Damage Control: Spark Plug Removal Techniques On Ford Modular Engines
The problem of removing spark plugs from various Ford Modular engines lies with excessive carbon buildup on the plugs, especially on engines that have gone beyond an OEM-recommended replacement interval. This can cause a plug to break in the chamber during its removal, creating stress on the tech and additional labor time to remove the damaged component.
Tech Tip: Water Intrusion From A/C Drain May Cause DTCs On Ford SUVs
A DTC may appear on some 2006-’10 Ford Explorer, Mercury Mountaineer and 2007-’10 Explorer Sport Trac vehicles due to water traveling down from the A/C drain into the solenoid body connector on the left side of the transmission.
Tech Tip: Coolant is Leaking from Ford’s Coolant Expansion Tank
Some 2006-’09 Explorer, Mountaineer and 2007-’09 Explorer Sport Trac vehicles equipped with 4.0L engine may experience coolant leaking from the coolant expansion tank.
Tech Tip: Oil Leak Repair for 1990-’93 4.0L Ford V6 Engines
The 4.0L Ford V6 has been a problem engine for oil leaks for years. This engine has been used in the Aerostar, Explorer and Ranger pickups. The most common oil leak on 1990-’93 4.0L engines is often diagnosed as a rear seal leak, but in most cases, the problem is usually found to be the rear of the oil pan gasket.
TPMS Update: FORD Tire Pressure Monitoring Systems
Ford embraced Tire Pressure Monitoring Systems (TPMS) as early as the 2002 model year on the Explorer and Windstar. These systems can be can be direct or indirect. All 2007 models have TPMS standard. From 2006-2009, Ford used banded sensors that are mounted in the center of the rim. In 2010, Ford reverted to the valve stem mounted sensors. All the systems are straightforward and use common procedures for most models.
Ford Reflash Tech Tip: PC Settings
So, you’ve just finished up a Ford, and you’re about to try and start it up. However, it needs programmed. You’ve decided to use a J2534 tool, but there are certain things you’ll need to consider before purchasing that subscription at www.motorcraftservice.com.
Ford Tech Tip: Drivetrain – Rear Axle Seal(s) Leaking
Some Ford, Lincoln and Mercury vehicles may exhibit oil separation from the internal lube found in the unitized cartridge seal. This oil separation appears to be, and is often misdiagnosed, as an axle lube leak.
Tech Tip: New Caster/Camber Adjustments for Old Ford Ranger
The cam bolt and nut kit that was used for adjusting caster and camber on all torsion bar and coil spring front suspensions prior to 2004 has been discontinued. Now, if the caster and camber settings need to be adjusted, a washer must be installed. The right-hand upper control arm design changed from a two-piece design to a single-piece design during the 2003 model year.