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#1
04-17-2007, 01:48 PM
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cylinder 3
so i went and looked at a vr4 today and the guy said he had the motor replaced. but there is something wrong with cylinder three. so my questions to you guys and girls is what do you think it could be.
btw the new engine has 50k on it so i doubt its a piston or rings but ill take your opinions. thanks 
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#3
04-17-2007, 02:29 PM
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Re: cylinder 3
ask the owner to do a compression test (on all cylinders) and leak-down test on cylinder #3 in question.
how does he know something is wrong with cylinder 3? is it getting spark? fuel?
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93 3000GT base K&N | long tube headers | 3sx crank pulley| testpipe | Addco front/rear sway bars (3SX) | rear strut bar & front 3-point strut bar (by JonVr4 on 3Si) | solid motor mounts | LSD insert | KYB GR-2 struts | intrax springs | adj. control arms | ss brake lines | 16% taller 5th gear (teamrip.com) | H4 conversion | push-button start | datalogger | HKS S-AFR | PLX WB O2 coming soon: adj. cam gears | bi-xenon HID retrofit
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#4
04-17-2007, 04:10 PM
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Re: cylinder 3
Guys, something is wrong with my car, what could it be?
You need to provide details.....
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A few "bolt on" mods, a couple "cut, smash, hammer, weld, etc" mods, and a couple "why the hell do I need this/what the hell is this" weight reductions.
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#5
04-17-2007, 04:17 PM
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Re: cylinder 3
Offhand, it could be any of these things
Lash adjuster burnt valve broken valve spring rocker fell off piston rings leaking bad head gasket spun bearing worn bearing broken wrist pin broken connecting rod broken ring land / piston bad spark plug bad coil bad spark plug wire bad ecu bad wiring to the coil bad fuel injector clogged fuel injector bad wiring to the fuel injector
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A few "bolt on" mods, a couple "cut, smash, hammer, weld, etc" mods, and a couple "why the hell do I need this/what the hell is this" weight reductions.
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#6
04-18-2007, 09:16 AM
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Re: cylinder 3
okay well ill tell you what i do know about it. the owner had 2 vr4s one with good motor bad body and one with bad motor and good body so he put the good motor in the good body. supposively it ran fine when it was in the last car. the guy that did the engine swap supposively had no idea what he was doing with this car.
and linebckr: the guy that put the motor in told the owner that there was something wrong with cylinder 3. but he wasnt very clean. and the owner isnt a car guy so it just kinda went over his head im assuming. but lets say i do a compessions test and it comes up bad. what all could that be? and talskiny: the reason i was alittle vage was cuz i wasnt sure if vr4s had a history of problems with specific cylinders. well any ideas or suppestions would help. thanks
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