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Holden Astra 2007: Contaminated fuel

Would you receive a different diagnosis for contaminated fuel if you took fuel samples from the fuel rail or tank? My 2007 Holden Astra car was towed to a Holden dealer and their service report stated: "fuel sample taken from tank was black and contaminated fuel had affected entire fuel system". The estimated repair costs were $6000 and they instructed me to lodge an insurance claim. My insurer's mechanic drained the tank and found the fuel to be clean and there was no contamination in either the tank or any part of the fuel system. My insurer diagnosed the fuel pump as the reason my car was not starting. I provided the dealer and Holden Customer Care with my insurer's report; along with a report from Caltex confirming their site had no contaminated fuel. Holden Customer Care confirmed that the dealer had no evidence to support their diagnosis and that they never took a sample from the tank, it was taken from the fuel rail. Holden further stated that it does not matter where the sample was taken from, as it is the same fuel. During a phone call Holden's representative blamed me for trusting the dealer and said that I should have checked the fuel sample myself. What would be your opinion on the above?

There should be no difference in the fuel if you sampled it at the fuel rail or the tank. The fuel at the rail is the fuel that is being delivered to the engine, and that's what matters most. You would appear to have a gripe with the dealer, and that appears to be what the Holden people are telling you, and should discuss your concerns with the dealer staff.

Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.

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