DISCLAIMER: Activities and vehicle modifications appearing or described at The Ranger Station and it’s pages may be potentially dangerous. We do not endorse any such activity for others or recommend it to any particular person – we simply describe the experiences and opinions of other Ranger/Bronco II owners. If you choose to engage in these activities it is by your own free will and at your own risk. Any and all modifications will likely cause a vehicle to behave differently than stock. Some modifications may significantly increase your risk when driving the vehicle or be dangerous in some driving situations. Use good judgment when engaging in any activity or making any modifications. Do not take unwise risks. Consult a certified professional if you are not sure of something. The Ranger Station and the authors of these articles assume no liability for how any particular individual chooses to use the information presented here. Some of these modifications may void your vehicles warranty. Please also read our Legal notice HERE.

Original Version:

This section replaced the old Tech Library of the original website that can still be found HERE. (No new articles added here after 2018)

2019-Present Ford Ranger Tech:

If your looking for tech specific to the 2019-present Ford Ranger, click HERE.

Other Info:


Duraspark Basics

2.8 Duraspark Conversion

Remote Mount TFI Ignition Module

MSD Ignition On A Ford 3.0

3.0L Camshaft Position Sensor

4.0L Camshaft Synchronizer

3.0L & 4.0L Camshaft Position Sensor 

2.8 Round Distributor Rotor Problems

4.0 (SOHC) Plugs & Wires

PATS Programming With Forscan

Ford Chip Key Basics or What Blank Key Should I Buy


TFI Diagnostics

EEC-IV (OBD-I) Diagnostics

OBD-I 2-Digit Codes

OBD-I 3-Digit Codes

OBD-II Trouble Codes

Diagnosis Using The O2 Sensor

Throttle Position Sensor (TPS) Operation & Test

Ford Ranger Emission Test Driving Cycle

Ford P1443 & P0401 Trouble Codes

Ford P0155 & P1151 Trouble Codes

Evaporative Purge System Check Engine Code P1443

P1445 Purge Flow Sensor Circuit High Input

PATS Programming With Forscan

Battery & Charging:

Parasitic Draw Battery Test

Charging System Trouble Shooting

Electrical Diagrams

Charging System Information & Checking


Dual Battery Setups

Cheap Dual Battery Setup

Automotive Battery Basics

130 Amp Alternator Swap

130 AMP Alternator Install

130 AMP Alternator Upgrade

200 AMP Alternator Upgrade


1983-1992 Fuse Box Diagrams & Checking Fuses

1993-1997 Fuse Box Diagrams & Checking Fuses

1998-2000 Fuse Box Diagrams & Checking Fuses

2001-2003 Fuse Box Diagrams & Checking Fuses

2004-2011 Fuse Box Diagrams & Checking Fuses

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