Thought it was a head gasket ? Shows codes 17796 and 17428

pandsnolan

Member
1.6fsi 109000 miles

Hi Got recovered to the garage last Friday after breakdown joining the M25 at the A3

Totally not firing / miss firing and would not run . Rang the breakdown they arrived started it ran fine . Ever since I have had the car ( 3 months) it has always randomly misfired when upto temperature , so I got the guy to stay while it warmed up and sure enough ,totally not firing / miss firing and would not run.

Small amount of water by expansion tank and the pick up guy diagnosed head gasket .

Garage have started to look at it today had plugs out to check ect and run it up until is failed again . Fault codes 17796 and 17428 showing , the guy I the garage is a bit stuck for ideas but does not think it is a head gasket as it does not seem to have lost water .

Long story sorry .... any shared experiences - expert knowledge - good ideas appreciated
 
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Throttle body position sensor? And or one of the other suspects as above?
 
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