What does it mean when the fuel system is too lean?
What does it mean when the fuel system is too lean?
P0171
The P0171 code means that, on the first bank of the engine, the fuel system is running weak or a vacuum leak exists near this side of the engine. A lean condition occurs when the engine either receives too little fuel or too much air.
How to build a Ford Ranger 4.0L OHV engine?
Check this article on ‘ How To Build A Ford 4.0L OHV For Power ‘. Tom Morana: Offers numerous products for the 4.0 including stroker kits, camshafts, connecting rods, pistons, cylinder heads, and supercharger kits. K&N Filters: Carries products including new air intake systems for some 4.0L Rangers.
What kind of engine does a Ford 4.0L have?
The 4.0L originally came with a piston that had a small dish that measured about 2.40? in diameter. It was used along with the 90TM/93TM heads that had the oval-shaped chambers, so it was found in the Rangers and Explorers from ’90-’94 and in the Aerostars from ’90-’96.
How to troubleshoot Ford 4.0L V6 p0171?
You can find this tutorial in Spanish here: Cómo Probar: Códigos P0171 y P0174 (4.0L Ford) (at: autotecnico-online.com ). TIP 1: You’ll need a scan tool (that has Live Data capability) to take advantage of my tips and suggestions in this article.
When was the original Ranger engine replaced by a 4.0L engine?
The original 2.6L engine was replaced by the 2.8L, which was upgraded to the 2.9L and then finally bored and stroked to make it into the 4.0L that was used in the Rangers, Aerostars and Explorers starting in 1990. It was replaced by a SOHC engine from this same family at the end of model year 2000.
When did Ford Explorer stop using the OHV 4.0L?
The Ford Explorer actually started using the SOHC 4.0L in 1997 along with the OHV 4.0L. It wasn’t until 2001 that Ford completely dropped the use of the OHV 4.0L in the Explorer.
Can a 1997 Ford Explorer have a SOHC spark plug?
So that means that a 1997-2000 Ford Explorer can have either a OHV 4.0L or SOHC 4.0L, so you definitely need to look at the intake manifold and see how it’s stamped. Important Note: The SOHC spark plug is about 1/4 inch longer then that of the OHV. The OHV plug will fit but it won’t operate properly.
Check this article on ‘ How To Build A Ford 4.0L OHV For Power ‘. Tom Morana: Offers numerous products for the 4.0 including stroker kits, camshafts, connecting rods, pistons, cylinder heads, and supercharger kits. K&N Filters: Carries products including new air intake systems for some 4.0L Rangers.
The 4.0L originally came with a piston that had a small dish that measured about 2.40? in diameter. It was used along with the 90TM/93TM heads that had the oval-shaped chambers, so it was found in the Rangers and Explorers from ’90-’94 and in the Aerostars from ’90-’96.
