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Message: <blockquote data-quote="I_LIKE_TURTLEZ" data-source="post: 1579392" data-attributes="member: 31555">Pretty confident the issue is the pump and/or hat assembly after more information came to light. His car ran for 2 years on the original pumps, his gradual high pressure issue started after switching brands from how I read it.There's really nothing else it can be except the regulating driver module but surely he can't have two bad ones in a row, let alone without some sort of fault code.The Walbro pumps claim to work like a variable voltage but it obviously isn't in his case for whatever reason, defective, voltage table etc. Apparently it's well documented these high-flow Walbro will burn themselves out on these cars, there's threads going back 20+ years with this exact scenario where guys kept burning them up immediately because they're turbine race pumps that don't want to work well with ECUs that have the processing power of a TI-83 calculator.</blockquote>