Member Since: 26 Nov 2008
Location: on the east side
Posts: 545
Fuel pressure feature.
Please advise on availability of the feature to check fuel pump pressure on 4.4 V8 petrol engine.
I tried to locate it on the IDD tool device under body control and engine but could not locate it.
23rd Dec 2024 9:53 pm
PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 5065
If it's available it will be in the ECM only, however as it's a petrol (low pressure injection) and not diesel it may not even be monitored! When you select "live values" make sure to select the complete list and see it it's there. Operating pressure is 4.5bar and there is a schrader test port on the LH fuel rail.
If not you'll have to use a pressure test gauge/kit. yµ (idµ - eAµ) ψ=mψ
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