![]() Later models have gone to V6 and V8 powerplants. Initially, these cars were powered by an in-line six-cylinder from the Toyota Supra line. The GS, and more recently, the IS platforms, are high-quality, performance luxury models with a conventional front engine, rear-drive or all-wheel-drive layout. Andrew Markel, Director of Technical Content, ShopOwner.Julio Ortego, Engineering Manager, Repair Products.Common DTCs caused by a compromised low- or high-pressure fuel pump.Diagnosing fuel-related stumbles and hesitation complaints.High-pressure fuel pump visual inspection.Using scan tool data to evaluate the health of the pumps and injectors.Pressure testing for the high- and low-sides of the fuel system.Measuring pulse-width signals with scopes, meters and scan tools.Electric fuel pump voltage drop testing. ![]() In a 45-minute webinar, the experts from Carter Engineered Fuel Pumps will train you on how to diagnose the entire fuel system of a GDI vehicle. ![]() If either pump can’t generate the pressure or volume commanded by the engine management system, it will cause driveability issues. ![]() These two pumps work in unison, so the correct quantity of fuel is injected directly into the cylinder. You still have an electric pump in the tank, but a high-pressure fuel pump is on the engine. Modern gasoline direct injection (GDI) engines have two fuel pump opportunities. ![]()
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