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Testing fuel pressure Posted by walt [Email] (#2707) [Profile/Gallery] (more from walt) on Thu, 24 Mar 2022 07:12:53 In Reply to: Re: 2000 9-3 Fuel Pump Symptoms, JTRI [Profile/Gallery] , Wed, 23 Mar 2022 10:57:32 Members do not see ads below this line. - Help Keep This Site Online - Signup |
On the OG 9-3, a Bosch-Actron 7818 fuel pressure gauge can easily check if fuel pump, regulator, and supply line check valve at the pump are OK. The gauge connects to Schraeder valve fitting in center of fuel rail. On NG900, same gauge is used, but the supply (thicker) fuel hose needs to be disconnected at the right side of fuel rail and a test hose (Mopar 6539A) installed.
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