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P0305- Help! 99 Es300

Marc R

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Hi there,

It's got 84K, CEL on, and sometimes blinking.

Autozone says P0305 cyl 5 misfire.

I've replaced the plugs with ngk iridiums

Replaced fuel filter

Swaped coil packs - and cleared codes - stayed with the same cyl 5

Tested voltages to the coil pack- all are in spec.

Thinking its the injector? How hard are they to replace? Do I need to take the intake off to get to the rear rail?

Thanks so much in advance for any help.



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mark, did you get the issue properly diagnosed, curious to hear what happened? after all that work was done, silly question, but did they reset the code? sometimes it takes a few drive cycles for the code to correct itself unless it's manually reset.

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