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Member
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Join Date: Jun 2023
Location: Florida
Posts: 179
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Member
Join Date: Jun 2023
Location: Florida
Posts: 179
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New Codes: P0300 and P0301
2002 SR5. Recently at the mechanic for a new fuel pump and overflow check valve to try addressing evap codes. I'm unsure how long these current codes have been there, as I let the CEL stay on for the past couple months while I waited on parts.
Codes:
P0300; Random/Multiple Cylinder Misfire Detected
P0301; Cylinder 1 Misfire Detected
Symptoms:
Nothing major. Every once in a while when I fill up the tank it will take a few extra seconds to start, however I assumed this was from an old fuel pump, which has been replaced.
Should I start with new plugs and wires? If so, is that an easy job, or should I let my mechanic take care of it? I've done pugs before, but not wires and not on a 4runner.
Anything else I should address?
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