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#1
05-30-2006, 12:06 AM
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Loud Knocking Sound- NEED HELP!
Just recently a loud knocking sound coming from inside the motor has been coming apparent. It isnt a lifter but more of a louder metal knock sound. It sometimes when I start it has trouble idling and as I watch my tacht it bounces really fast between 200 to 1,200 rpm's and then stops bouncing back and forth after a little while. The CEL has also appeared on the dash. I don't know what else to say and if you have any questions please ask. And be gentle.
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#2
05-30-2006, 12:15 AM
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Re: Loud Knocking Sound- NEED HELP!
Lets hope you didnt spin a bearing like i did a while back
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2005 Saturn Ion Redline - Injector Dynamics 1000cc Injectors|E85|Harrop TVS1320 Blower|2.9" pulley|3" Intake|Vibrant Header and catless Downpipe|Hahn 3" catback|N2MB Wot Box w/2-step and no-lift shift|Cobra Heat Exchanger|Hurst STS|Ottp Stage 1 trans mounts|AEM EUGO Wideband|Aeroforce Interceptor|HPTuners (self tuned)|Mop Top Pros Carbon Fiber badges|B&G Springs 
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#3
05-30-2006, 12:48 AM
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Re: Loud Knocking Sound- NEED HELP!
most likely is. its not uncommon. just pull off the oil pan an check to see if any rods or loose.
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#4
05-30-2006, 02:52 AM
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Re: Loud Knocking Sound- NEED HELP!
How about you start with the obvious, and pull the code for the CEL.
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96 3000gt vr4 -K&N FIPK -Proboost mbc -Cusco front + rear strut bars -Greddy type-s -ATR downpipe -no cats -15Gs, 3sx aluminum pulley, FMIC, SAFC, walboro pump, EVO 560ccs, and Meth Injection Kit all waiting to go in shortly. Your 1996 Mitsubishi 3000GT VR-4 is the 92nd out of the 315 that were made that year. Only 21 of which are exactly identical.
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#5
05-30-2006, 06:53 PM
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Re: Loud Knocking Sound- NEED HELP!
^^^ Because every time I turn the car off it disappears when I start it up for next time. And then after running it for about 2 minutes or so it comes back on. The CEL light has actually done this before and then disappears once the ignition switch is flipped. Sorry for not being more specific, I was very tired when I wrote this thread.
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#6
05-31-2006, 12:25 AM
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Re: Loud Knocking Sound- NEED HELP!
That maybe the case, but if it came on, it's still stored in the ECU, and it still came on for a reason. LOL. Go pull it.
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96 3000gt vr4 -K&N FIPK -Proboost mbc -Cusco front + rear strut bars -Greddy type-s -ATR downpipe -no cats -15Gs, 3sx aluminum pulley, FMIC, SAFC, walboro pump, EVO 560ccs, and Meth Injection Kit all waiting to go in shortly. Your 1996 Mitsubishi 3000GT VR-4 is the 92nd out of the 315 that were made that year. Only 21 of which are exactly identical.
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#7
06-02-2006, 06:39 PM
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Re: Loud Knocking Sound- NEED HELP!
Alright, yes a newbie question. I dont care. I did a google search and didnt find anything. I then looked in my manual and it said if the CEL comes on take it to a dealer. Can someone give me a link with some good directions on pulling the ECU so that I can get a code and diagnose this. Its getting louder and louder.
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#8
06-02-2006, 06:46 PM
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Re: Loud Knocking Sound- NEED HELP!
YOu don't need to remove it.
http://www.stealth316.com/2-diagcodes91-93.htm Double check you have the right pin for the ground http://www.stealth316.com/2-diagconn.htm Here is where a datalogger comes in handy, if you can find a local member with one, that is alot quicker. But if not, the method above works fine. Dealer will charge you $70 to pull a code, and then no matter what is wrong, will tell you you need a new tranny, driveshaft, headlight fluid, and alternator, but luckily they can do all of that in just under a month for the price of your soul and first born. Stay away from them. I'd rather let a toddler fool around under the hood, in the long run it will probably do less damage and works for fruit loops.
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96 3000gt vr4 -K&N FIPK -Proboost mbc -Cusco front + rear strut bars -Greddy type-s -ATR downpipe -no cats -15Gs, 3sx aluminum pulley, FMIC, SAFC, walboro pump, EVO 560ccs, and Meth Injection Kit all waiting to go in shortly. Your 1996 Mitsubishi 3000GT VR-4 is the 92nd out of the 315 that were made that year. Only 21 of which are exactly identical.
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