Diesel Only

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Diesel System Services is located in El Cajon, California in San Diego County.

Offering complete diesel engine service, we are the only diesel shop in San Diego to offer complete in-house fuel injection pump and injector rebuilding drive in service. Offering our customers a one stop-shop to bring their diesel powered vehicle and equipment for diagnosis and repair.

Diesel System Services offers complete engine, turbo, fuel system, and injection pump service. We don’t just replace parts! We analyze potential problems and offer alternative strategies to fix your diesel engine and optimize performance. Such as custom fuel supply systems, injection pump and performance turbo upgrades.

We also offer engine rebuilding and custom machine work from stock to high out put competition engines.

Diesel System Services also offers fleet CHP BIT and smoke testing.

We also utilize Cummins Insite, Caterpillar ET, and OTC electronic service tools to perform engine ECM computer diagnostic, engine performance checks, feature and parameter adjustments and horse power uprates.