The reason remain undetermined


After a few weeks delay, Sal from Racing Red was able to come and look at the F355 and guess what? No fault found! Oh man, how annoying.

Maybe, because I had the battery isolated for a long period and the engine fully cooled down, that the problem went away (at least for now).

Given the symptoms, of going into limp mode, one would expect it to be an ECU ‘Slow down’ issue as I have experienced before. But Sal tells me that would generally mean the ‘Slow down’ light would appear on the dash rather than the ‘Check Engine’ light (which is what happened in this case).

If we assume that the ‘Slow down’ ECUs and probes are ok then the issue may lie with the airflow sensor. 


The problem with this is that they no longer make this part new. That would mean sourcing a suitable used version. Finding that could prove tough, but let’s cross that bridge when we come to it and know that is actually the problem.

With no fault found all I can do is leave the car turned on and take it for a long drive, stop to get fuel and see if the issue returns. If it does then at least I know I should be able to get it home, isolate the battery again for a period of time, get it working and over to Sal’s workshop so he can take a closer look.

Frustrating that the secret remains hidden as I would prefer not to have the issue arise again when I’m out on a run. Fingers crossed.

One thought on “The reason remain undetermined

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