Anchorage, Alaska • Verified Service Offering

Fuel Systems & FASS Lift Pumps in Anchorage, AK

Common rail injectors, CP4 disaster prevention kits, high-pressure pumps, and FASS filtration. Diamond Truck Service provides expert diagnosis, genuine replacement parts, and master-technician craftsmanship at 458 W Dimond Blvd in South Anchorage.

Request Fuel Systems & FASS Lift Pumps Call Shop: (907) 947-9672

Common Symptoms & Warning Signs

If your diesel truck exhibits any of the following warning signs, early evaluation prevents minor sensor or seal issues from escalating into major component failure:

!Excessive crank time before ignition

!Fuel knock or injector rattle under acceleration

!Metal flakes present in fuel filter bowl (CP4 pump failure indicator)

!Fuel rail pressure drops below commanded spec during wide-open throttle

Verified Shop Capabilities & Equipment

At Diamond Truck Service, we don't outsource critical mechanical work. All services are performed in our South Anchorage bays using calibrated diagnostic tools:

Authorized FASS Fuel Systems dealer and certified installation shop
Bosch common rail injector testing and replacement
CP4 to CP3 conversion swaps for Duramax and Power Stroke engines
CP4 disaster prevention bypass kit installations
Fuel tank drop, sump installation, and line flushing

Our Diagnostic & Repair Workflow

Step 01

Fuel Pressure & Flow Test

Test low-pressure supply and high-pressure rail under load.

Step 02

Fuel Quality Check

Inspect for water emulsion, gasoline cross-contamination, or metal shavings.

Step 03

System Replacement / Upgrade

Install new injectors, pumps, or FASS filtration.

Step 04

Injector Coding

Program injector IQA compensation codes into the ECM for smooth idle.

Fuel Systems & FASS Lift Pumps FAQs

What does a FASS fuel air separation system do?

FASS removes entrained air, vapor, and water down to 2 microns from diesel fuel, increasing injector life and fuel economy while protecting high-pressure pumps.

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