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April 2010

The Automotive Technician

The Automotive Technician is a unique magazine-website-training combination to help the technicians of Australia and New Zealand improve their view of the future through knowledge and training.
REPORT NUMBER - HOLBA04117 MAKE Holden \| MODEL Barina YEAR 2004 \| ENGINE 4 cylinder

Customer Complaint
Idle is poor and erratic. Engine is hunting.

Problem Summary
Vehicle had been checked for intermittent erratic and rough idle by a service provider.

Service provider quoted on a replacement charcoal canister.

Diagnostic Sequence
Vehicle tested and inspected. Checked on 4 gas - running very lean.
Could not hear any air leaks. Used flammable spray over inlet area and when sprayed over circled area the idle changed.
Used a fine brush dipped in fuel to pin the air leak down.

Fault Description

Found the EGR fitting had a bolt missing and top bolt was loose at the EGR housing inlet fitting causing an air leak and rough idle.

Fault Solution

Found a replacement bolt, checked the gasket and re-secured the fitting.
Cleared code and road tested OK.

Recommended Time
Labour time was 2 hours, taking into account research time, location of parts and actual time spent fixing the problem.

Tip: Think of and cover the basics first.

For further information on common faults and problems visit The Automotive Technicians website at www.theautomotivetechnician.com.au

Just logon to the website and view all the faults and solutions

The Automotive Technician is a unique magazine-website-training combination to help the technicians of Australia and New Zealand improve their view of the future through knowledge and training.
www.theautomotivetechnician.com.au

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