Thread: Dreaded P0300
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Old 10-28-2011, 12:59 PM   #1 (permalink)
oro
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Join Date: Dec 2009
Location: Arizona
Posts: 192
Drives: G37S
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Default Dreaded P0300

I installed my ART pipes.about 2. weeks ago and hadn't experienced any problems till I.threw.a.solid.code.last.week.. so I tightened up the piping and reset the the ecu, now the.sel started.blinking, knowing that's a misfire.I.took it.to autozone to had.the.code.pulled and got random.multiple misfire.codes. Could the.ART Pipes have leaned out the af to cause.that condition? I'm idling high.at 1k rpm, if.i.reset the.sel the car will run normally till it throws.the.sel again. The.car doesn't appear.to have a misfire off idle and throws.a solid sel, once.you.get around 65 though, the.blinking.misfire.sel returns, thoughts?
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