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What is wrong with my car...

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Old 07-18-2006, 07:22 AM
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Default What is wrong with my car...

Car is at the dealer... had that problem with the noise a couple of weeks back. Tech just called me, cylinders are mis-firing like mad, randomly though. One second, the banks are clear at 0, the next second with a little bit of throttle blip to maybe 2500 rpm, the car comes back down to idle and begins to misfire like crazy. No idea what the problem is. Prior to that loud noise occuring, I had heard a high pitched but not too loud sounding whine or whistle under acceleration in 2nd and 3rd gear. Sounded almost like an AEM Intake on a civic. Then out of no where, when I heard a PHEWWW and loss of boost, the noise seemed to go away...

I'm stumped and so is the tech. Not good, NOT GOOD.
Old 07-18-2006, 07:27 AM
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Default wait so the k03s are not blown then? I don't know enough to try and diagnose the problem, but does

misfiring sometimes have to do with bad spark plugs or something related to that?
Old 07-18-2006, 07:27 AM
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didn't you just have K04's installed?
Old 07-18-2006, 07:33 AM
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Default Update: More: Spark plugs were changed, 2 different ecu's were tested, all hoses, t-fitings checked

everything seems fine. Something not so good internally?

KO4's still have not gone in, this is all leading up to it...
Old 07-18-2006, 07:39 AM
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all cyls are misfiring? no vac leaks anywhere? how about a compression test on all cyls?
Old 07-18-2006, 08:02 AM
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Yesterday only 3 and 6 were misfiring, today it is all of them. Haven't asked about comp. test yet.
Old 07-18-2006, 08:07 AM
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Did they check the timing?
Old 07-18-2006, 08:10 AM
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I don't know. Checking cam tensioners now so I hear... I hope this is easily do-able... =/
Old 07-18-2006, 08:13 AM
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are the amplifier wires hooked up correctly?
Old 07-18-2006, 08:23 AM
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?? I don't believe that was ever touched? What do you mean??


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