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(TA210-0929) Petrol/Bio-Power engine sounds as a diesel engine

TECHNICAL ADVICE - Quick information for your help
Bulletin Nbr: TA210-0929
Date: ........... September 2009
Market: All
Petrol/Bio-Power engine sounds as a diesel engine

VEHICLES CONCERNED

Saab 9-3 4/ 5D M03- with engine B207.

Saab 9-3 CV M04 - with engine B207.

BACKGROUND

Customer experience in some cases, that the engine could have a noise that make it sound like a diesel engine at, idling and/or at low engine rpm.

CONDITIONS

The noise is caused by pulsation in the fuel pipe, when the injection valves are opening/closing, and the fuel pipe vibrate against the body.

SYMPTOM DESCRIPTION

Engine sounds as a diesel engine.

ACTION

Follow the fuel line, from the fuel tank to the fuel distribution pipe at the intake manifold, and ensure that the fuel pipe does not contact the body along the routing.

If the fuel pipes touches the body, then the fuel pipe must be detached and adjusted to ensure a play between the fuel pipe and the body in order to avoid the noise issue.

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