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What kind of fuel injection does a Duramax engine use?

What kind of fuel injection does a Duramax engine use?

The Bosch common rail direct fuel injection system was new to the North American market at the time and provided speed and precision that had not previously been available. These factors, among others, allowed the Duramax engine to set the high-water mark for diesel engine power output.

Where are the cylinders on a Duramax injector circuit?

The FICM separates the high-voltage injector circuits into two groups: cylinders #2, #3, #5 and #8 and cylinders #1, #4, #6 and #7. The firing order is 1-2-7-8-4-5-6-3 with the odd-numbered cylinders located on the passenger side of the engine and the even-numbered cylinders located on the driver’s side.

What are the diagnostic parameters of a Duramax diesel engine?

2005 6.6L (LLY) Duramax Diesel ENGINE DIAGNOSTIC PARAMETERS SENSED PARAMETER FAULT CODE ACCEPTABLE OPERATING RANGE AND RATIONALITY PRIMARY MALFUNCTION DETECTION PARAMETERS SECONDARY MONITORING PARAMETERS AND CONDITIONS MONITORING TIME LENGTH AND FREQUENCY OF CHECK MONITORING METHOD FAULT CODE STORAGE AND MIL ILLUMINATION

Why is my Duramax injector not working properly?

This problem is caused by a poorly designed metal mount for the harness and requires a thorough inspection of the FICM harness where it passes behind the alternator. The previous shop had obviously been aware of this TSB and had taken the harness apart for inspection.

How many ohms does a Duramax fuel injector have?

Working quickly before the cylinder heads warmed up, we removed the FICM connectors and repeated the pin test. Sure enough, #5 fuel injector measured well under specification at 0.2 ohms while the remaining seven injectors measured their normal 0.3 ohms.

2005 6.6L (LLY) Duramax Diesel ENGINE DIAGNOSTIC PARAMETERS SENSED PARAMETER FAULT CODE ACCEPTABLE OPERATING RANGE AND RATIONALITY PRIMARY MALFUNCTION DETECTION PARAMETERS SECONDARY MONITORING PARAMETERS AND CONDITIONS MONITORING TIME LENGTH AND FREQUENCY OF CHECK MONITORING METHOD FAULT CODE STORAGE AND MIL ILLUMINATION

What causes the injector on a Duramax to leak?

Leaking Injectors—LB7 One thing the ’01-’04 LB7 Duramax is notorious for is injector failure. The two primary failure points of the factory injectors are internal cracking of the injector body itself and corrosion-induced failure of the internal ball seat.

How can I Keep my Duramax Diesel pump healthy?

However, there are measures you can take to keep the pump happy and healthy, the first being to always buy your diesel from a high-traffic, reputable filling station that’s known to dispense good, clean fuel. Second, always change the fuel filter at or before the recommended service interval.

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Ruth Doyle