my 1999 RX300 sputters bad, the code pulled pa300. The plugs and coilpacks are newwithin the last 6 months, have gone theough 2 tanks of super gas and gas treatment, sputter comes and goes. What else

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Asked by mthenson Mar 22, 2015 at 06:08 PM

Question type: Maintenance & Repair

3 Answers

P0300 is random misfire, a vague DTC. You are wasting money on Premium gas and treatments unless you have water in tank. Is the CEL on?

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tried new MAF, and air filter. Cleaned throttle body, still sputtering. check engine light comes and goes still 300 codes. Any other ideas?

Your Answer:

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