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#1
07-07-2014, 08:46 PM
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need help cylinder 5 misfiring also light smoke coming from exhaust
yesterday while starting up the Xs i notice white smoke coming out of the passenger side exhaust along with the misfire , i let it run for awhile then the smoke stop it wasn't heavy smoke it was light.the misfire stop after awhile as well .i turn the X off for 5 minutes and restart it light smoke came out again this time it smell a little sweet.so i did a little research and the problem could be a antifreeze leak. HEAD GASKET!!! is this correct? i checked my oil stick and cap they are fine looks normal not milky. my coolant level is low i haven't started the X in a week don't want anymore problems. can anyone give me some good feed back on this , tell me what steps should i take. thanks
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#2
07-07-2014, 08:58 PM
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You can get a testing kit to test for combustion gas in the radiator. If the test come back positive, you have a head gasket problem.
https://www.youtube.com/watch?v=B4FoUc6fRNs
__________________
2006 Infiniti G35 2001 BMW 3.0I E53 X5 Build date 08/2000 SOLD Lotus Europa 1970 Destroyed by fire Lotus Europa 1970 S2 Renault Powered Lotus Type 52 1970 Twincam Webers Powered PORSCHE 911 Targa 1982 The Garage Queen Audi Avant donated to Kars for Kids BMW 525IT Sold Audi 4000CS Quattro Sold Jensen Healey Lotus Powered Sold Opel 1900 Sold Triumph Spitfire 1971 Sold Triumph Spitfire 1968 Sold Plymouth "Cuda" 340 Six pack SOLD Last edited by upallnight; 07-07-2014 at 09:14 PM.
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#3
07-07-2014, 09:39 PM
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i just went thru that problem crack in intake valve port on head when you start the vehicle it is going to skip for a few seconds up to a minute what i did was when it was running and missing i would disconnect one coil at a time you would know which one it is because you won't notice any change when you disconnected like if the coil was bad but it ain't. as soon as it burns the antifreeze the truck would run fine until it sits then re start it. you will also get the code misfire and it will tell you which cylinder. hope this helps
by the way unless you have the appropriate tools don't bother doing it your self double vanos if it is the 3.0i is a job in its self.doing the job my self between special tools use head and head gasket set and misc stuff you find questionable i spend $1200.and the head came with out cams that was another project to switch over with out braking them with out the very expensive tool.good luck Quote:
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