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Thread: Signum 2.2 `Direct' - fuel injection pump problem

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    Unhappy Signum 2.2 `Direct' - fuel injection pump problem

    Facelift 2.2 Signum - Nov 2005. Our problems continue ... after an `engine spanner light' and limp home occurrence, a new fuel pressure regulator and fuel pressure sensor was fitted. Then on test a DIS (coil pack) problem was diagnosed. Having fitted the new DIS pack, the `engine spanner light' has come on again. Now we are waiting for a new high pressure fuel injection pump .... There is a TSB out on this - does anyone have a copy they can post? Thanks.

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    New high pressure (120 bar) fuel pump fitted - and no flashing lights on the dashboard, so I live in hope .....

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    I had a fuel pump go on my old 2.2 Direct 04 plate. I think it was around a year old when it went.

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    Quote Originally Posted by omega2498 View Post
    Facelift 2.2 Signum - Nov 2005. Our problems continue ... after an `engine spanner light' and limp home occurrence, a new fuel pressure regulator and fuel pressure sensor was fitted. Then on test a DIS (coil pack) problem was diagnosed. Having fitted the new DIS pack, the `engine spanner light' has come on again. Now we are waiting for a new high pressure fuel injection pump .... There is a TSB out on this - does anyone have a copy they can post? Thanks.
    I had my 4th fuel pump, 3rd fuel rail and 2nd fuel tank fitted on my 53 Sig 2.2 Direct last week (and then a new radiator and gearbox when the spanner came up as I drove out of the dealers, but that's another story). The work I had done (fully paid by Vx after 22 months of fuel system failures) listed a Field Remedy FR1614 on the work sheet I've got, but I don't know what that entails.

    Maybe someone here can tell us, enquiring minds want to know.....

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    This isnt the Field Remedy word for word but is the test to check if pump is faulty!!


    (2005.06) - Signum 2003 To 2004 - Engine Type: Z22YH - High Pressure Pump, Fuel Pressure Regulator - Defective (P1191 set)



    Signum/Vectra 2003 To 2005 - Engine Type: Z22YH

    High Pressure Pump, Fuel Pressure Regulator - Defective (P1191 set)

    The customer complains that the MIL is on. P1191 us set in the ECU.

    1. High pressure pump defective, vehicle not driveable

    2. Fuel pressure regulator defective, vehicle runs in emergency operating mode

    This is caused by a defective high pressure pump or fuel pressure regulator valve. In case of customer complaint proceed as follows to verify the defective part:

    1. Check fuel feed pressure at high-pressure pump with manometer (engine running)

    Is primary feed pressure less than 3, 4 bar?

    Yes: Low pressure fuel feed failure -> check fuse, relay, intank module.

    2. Measure fuel pressure in the high pressure rail at idle by using Tech2 Datalist.

    Is fuel pressure in the high pressure rail less than 600kPa?

    Yes: High pressure pump defect, replace.

    3. Pull off connector (two-core) of the fuel pressure regulator.

    Measure the voltage of the fuel pressure sensor at 3000RPM (standing vehicle) with Tech2.

    Is Voltage greater than 1, 2V?

    Yes: Fuel pressure regulator defect, replace.

    4. Defect is not clearly allocable to one component. Proceed according to TIS 2000 service instruction.

    TIS Reference Number: E0001614

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    my high pressure fuel pump was replaced at 54k, 2.2direct 04 model

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    Mine replaced 29K 2.2 Direct 05Plus a regulator.

    And...........

    yes it stopped running today spanner light will not rev then died, i was in alot of slow moving traffic (nightmare) I spent an hour at the side of the road, tried it and everything OK, got home and it would not run you can crank it still no action. I got a tow to the garage and there are no faults stored and its is running as sweet as. These things are too clever for their own good.

    They are going to replace the regulator again so maybe tomorrow.

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    Quote Originally Posted by smithi View Post
    Mine replaced 29K 2.2 Direct 05Plus a regulator.

    And...........

    yes it stopped running today spanner light will not rev then died, i was in alot of slow moving traffic (nightmare) I spent an hour at the side of the road, tried it and everything OK, got home and it would not run you can crank it still no action. I got a tow to the garage and there are no faults stored and its is running as sweet as. These things are too clever for their own good.

    They are going to replace the regulator again so maybe tomorrow.
    Strange, if it's either the pump or regulator there should be a fault code for low fuel pressure showing up.

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    Yea it is strange I had a problem with an Omega no fault codes that was a crankshaft sensor.

    The garage called and said it had high fuel pressure.

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    Have a look here:

    http://forum.vectra-c.com/showthread...184#post424184

    Something new came to light this morning, yesterday my local dealer had 4 Z22YH-engined cars all with the same fault, engine dies after spanner light comes on due to low fuel pressure fault, fault codes stored.

    Interesting eh?

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