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Audi Common ECU Failures Index Page

AUDI 1.8litre A3 Series (1996-98). Fitted with Bosch Motronic engine management ECUs (mounted inside front scuttle). These ECUs suffer water damage due to blocked scuttle drain hose. As part of winter service, check and clear these drains.

Symptoms

1) Possible history of intermittent misfire or difficult starting.
2) Car starts and runs for about 30 seconds, then cuts out.

Diagnostic Checklist

1) Visually inspect ECU and front scuttle compartment (access front engine) for evidence of flooding. If yes the ECU will need attention.

We offer a fast and low-cost repair and rebuild service for these ECUs. Please click HERE for our address and ECU repair quote request form. PLEASE DO NOT REMOVE ECU COVER - THESE ECUs FEATURE HIGHLY SENSITIVE MICROELECTRONIC INTEGRATED CIRCUITS THAT WILL BE PERMANENTLY DAMAGED BY NORMAL ENVIRONMENTAL STATIC CHARGES.

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