um, racing plugs have a whole lot of prerequisites with them. did you read the description before buying?
Quote:
With an exceptional pedigree of proven race results, NGK Racing Spark Plugs are specially designed plugs for extreme conditions. Intended for racing use only, racing spark plugs are designed with extreme use in mind as some feature special ground electrode and center electrode designs to withstand grueling racing conditions. Racing plugs are available in colder heat ranges for high performance applications.
*NGK Heat Range 9
Pre-Gapped to: 0.028
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they generally require other ignition system upgrades as well. did you gap them right or just throw them in?
more than likely, your first step is to re-do what you already did, and install oem replacement plugs that are gapped correctly.
https://86speed.com/oem-toyota-spark-plugs
that will get you back to the original problem. hopefully.
you're throwing parts at a problem that wasn't diagnosed beforehand. you more than likely have even more issues then you started with.
all i can tell you is what google says for the fuel pump code.
Quote:
https://www.engine-codes.com/p1235.html
P1235 code possible causes
Faulty Fuel Pump Drive Module (FPDM)
FPDM harness is open or shorted
FPDM circuit poor electrical connection
Faulty Powertrain Control Module (PCM)
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you're more than likely