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Headgasket ?

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kraus

Active Member
Joined
Jun 7, 2007
Messages
855
I have been reading some off the post about headgaskets going on these cars.Some off the signs are blow by,running etc. Well today i took my gn for a ride and a soon as i get into boost it has a weird miss almost like its hitting a rev limiter sound.One time going to accel on to highway it popped threw the intake ,and I was just easing into it.Temp gauge is showing 180 all the time with electric fan on high. Also i did notice when looking under hood I have oil coming out both breathers in valve covers.I have not pulled plugs or pressure checked cylinders.Maybe it is something as simple as a bad plug but I doubt it with my luck...What do you guys think...
 
I have been reading some off the post about headgaskets going on these cars.Some off the signs are blow by,running etc. Well today i took my gn for a ride and a soon as i get into boost it has a weird miss almost like its hitting a rev limiter sound.One time going to accel on to highway it popped threw the intake ,and I was just easing into it.Temp gauge is showing 180 all the time with electric fan on high. Also i did notice when looking under hood I have oil coming out both breathers in valve covers.I have not pulled plugs or pressure checked cylinders.Maybe it is something as simple as a bad plug but I doubt it with my luck...What do you guys think...

might be a coil pack and or module
 
Whats the fuel pressure? I had a problem KINDA like this, i didnt have my fp high enough, so it wasnt rising with boost and when it'd get to about 10+ psi, it'd start to feel like it was cutting out/felt like rev limiter.

Could be coil pack/ign module. Get a good known unit to swap out, and also check plugs.
 
well took out plugs were a light tan.So replaced with new anyways.Replaced pcv just in case that simple.Took for a ride same thing.So came back pulled each plug wire seperate well it was running, found that coil 1 and whatever one with it fired whenever.So I pulled coil and module off took to parts store to test.Found that the coil i just bought was not firing on the secondary portion.So warrentied mine.Installed good to go no more issues...YET
 
well took out plugs were a light tan.So replaced with new anyways.Replaced pcv just in case that simple.Took for a ride same thing.So came back pulled each plug wire seperate well it was running, found that coil 1 and whatever one with it fired whenever.So I pulled coil and module off took to parts store to test.Found that the coil i just bought was not firing on the secondary portion.So warrentied mine.Installed good to go no more issues...YET

might be a coil pack and or module:biggrin: i guess i was right. glad you fixed it i know how frustrating these cars are
 
might be a coil pack and or module:biggrin: i guess i was right. glad you fixed it i know how frustrating these cars are

well i didn't figure a new part would go bad that quick.Now waiting for logger to tune the rest of the bugs out.:smile:
 
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