1998 Dodge Dakota Fuel System Diagram
Introduction: Dodge Viper Fuel Relay Controller Some early Dodge Viper automobiles are difficult to start after lack of operation for more than a few hours. The problem is due to a fuel pump defect which allows an undesired slow bleed-off of fuel pressure. For various reasons, this is difficult to fix properly. A common workaround is to slowly cycle the ignition key 7 times before cranking in order to extend the fuel pre-pressurization period beyond the usual 1 or 2 seconds. Here we present an OEM-style plug-and-play fuel pump relay replacement which performs the extension automatically. This project was done between February and July of 2019 by Ben (hardware and software design), Johan (mechanical design and enclosure), and Shelly (car owner and testing). Thanks to Don W. for providing the idea. Step 1: The Problem The first 2 model years (Gen...
