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My check engine light came on/ I took it to the dealer and he told me it was an emissions code P0453; (It has nothing to do with the gas cap. )there are only two sensors-canister close valve and solinoid that opens canister; He replaed both and can't get the light off and he said he has discussed it with a lotus engineer and they can't figure it out,

He wants me to take it to another dealer to see if someone else can fix it???

The car runs absolutely fine but I am getting ready to sell it and I have to get the check engine light off, anyone?
 

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That is due to the fuel pressure sensor having a high voltage. The fuel pressure sensor is part of the fuel pump assembly.

Causes

A P0453 DTC trouble code may be caused by one or more of the following:

Open on FTP sensor signal wire
Short to voltage on FTP sensor signal wire
Bad FTP sensor
Abnormally high pressure in fuel tank due to blockage in EVAP purge hoses or overfilled tank
Loose/damaged FTP sensor connector
Loss of ground to the sensor
 
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