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Terrible way to try and fix a car.

I told you what a guess would be ..and that is the fuel fiter.

That chassis does not even have an OVP, so you are going about this all wrong.
You have codes .. the ECU has found a fault and diagnosis should take into consideration what the computer has detected as a base .
Codes do not mean a part is bad , it means a fault has been detected in that part of the system..futher testing is required.

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A Dalton