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 GRiSO no spark both cylinders

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Grignapoco
Grignapoco
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Join date : 2020-02-29
Age : 59

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PostSubject: GRiSO no spark both cylinders   GRiSO no spark both cylinders Icon_minitime1Sat Sep 30, 2023 3:26 am

2 weeks a go no start.
Checks plugs, no sparks. Measured faulty plugs.
Changed plugs and fired her up.  Very Happy
Ran better than before though the plugs where 5000km old.
Strange both plugs went down at the same time.

Yesterday again not firing up.
No sparks, but plugs are okay (interchange it in my Vespa)

Thing to me is that both cylinders are not firing.

Does the battery has got something to do with it? (12.4 volts before starting. After let's say 5 attempts the batt is to weak for turning the startermoter)
Please advice.

Ed
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Pete Roper
GRiSO Capo
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Age : 67

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PostSubject: Re: GRiSO no spark both cylinders   GRiSO no spark both cylinders Icon_minitime1Sat Sep 30, 2023 3:44 am

Are the injectors firing? Sounds like phase sensor to me. What, if any, codes are showing on the OBD in the dashboard?
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Grignapoco
Grignapoco
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PostSubject: Re: GRiSO no spark both cylinders   GRiSO no spark both cylinders Icon_minitime1Sat Sep 30, 2023 4:02 am

Busy with it as we speak.
ECU codes 54
dash code 03 / 06 / 07 /08
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Grignapoco
Grignapoco
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PostSubject: Re: GRiSO no spark both cylinders   GRiSO no spark both cylinders Icon_minitime1Sat Sep 30, 2023 4:12 am

I dont smell any fuel.
possible there's no fuel injected while attempting to start.
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Pete Roper
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PostSubject: Re: GRiSO no spark both cylinders   GRiSO no spark both cylinders Icon_minitime1Sat Sep 30, 2023 4:13 am

54 is phase sensor from memory. Don't buy the Guzzi part. It's stupidly expensive get one off the Bay of Fleas.
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Grignapoco
Grignapoco
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Posts : 102
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Age : 59

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PostSubject: Re: GRiSO no spark both cylinders   GRiSO no spark both cylinders Icon_minitime1Sat Sep 30, 2023 4:23 am

are we talking about
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located under tank?

Thanks for your quick advice Pete. Smile
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Pete Roper
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PostSubject: Re: GRiSO no spark both cylinders   GRiSO no spark both cylinders Icon_minitime1Sat Sep 30, 2023 4:34 am

Yup. It's shimmed for depth so measure it against the dead one and shim accordingly.
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Grignapoco
Grignapoco
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PostSubject: Re: GRiSO no spark both cylinders   GRiSO no spark both cylinders Icon_minitime1Sat Sep 30, 2023 4:58 am

Indeed expensive cable. Let's give it a try.
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Grignapoco
Grignapoco
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PostSubject: Re: GRiSO no spark both cylinders   GRiSO no spark both cylinders Icon_minitime1Wed Oct 04, 2023 11:40 am

And running again. Thanks Pete!
At first i thought the new Beetle map in combination with Mass exhaust was the issue for bad running between 2000 and 300 rpm.
Went back to stock but it was still there.
Than no spark both engines. Replaced plugs but after 100 km no spark at both.
Measured plugs and plugs ok.

Replaced magnetti Marelli se813 phase wire with one from Facet.

Boem!!!!  up and running.
Tomorrow back to Beetle map. bounce
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PostSubject: Re: GRiSO no spark both cylinders   GRiSO no spark both cylinders Icon_minitime1

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GRiSO no spark both cylinders
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