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break up at 5k


RichHenry
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Galant VR-4 org Post #: 996047 posted 05/28/11 11:02 AM     Remind Me!  Send Private Message   Edit Post      
Ok guys been having an issue. I'm down to a few issues left. My car is breaking up badly at 5 k. What I've done so far was replaced the plugs. Did a boost leak test and also readjusted my bov. Its an hks ssqv recirculated into the intake. I'm thinking I'm losing spark and don't know if this has been heard of. My battery is in the trunk so idk if a bad ground could cause this or if my coil is worn out. Any help is greatly appreciated. Thanks

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Lancer99
$6500 obo
902/1000


Galant VR-4 org Post #: 996050 posted 05/28/11 11:41 AM     Remind Me!  Send Private Message   Edit Post      
What do you mean by break up? Like is the car misfireing at higher RPM's? If so depending what mods you have, you might be hitting the fuel cut off in the computer which will sound like your backing fire big time and feels like the car will jerk around. You might wanna get your ECM redone. I forgot who does it on this forum but I'm sure others will chim in.



When the clutch drops...
The bullsh*t stops!
902/1000
Still working on it after 5 years
97 Volvo 850 Estate

Posts: 1284 | From: Somewhere over the rainbow | Member Since: 08/23/04 | IP: (173.161.39.189) | Report this post to a Moderator

RichHenry
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Galant VR-4 org Post #: 996057 posted 05/28/11 12:17 PM     Remind Me!  Send Private Message   Edit Post      
Yea is missing. Its not hitting fuel cut. Sorry I didn't be more descriptive. The motor is stock rebuilt. Evo super 16g on 17 psi. It just started doing it the other day but ran perfect before Tuesday. The ecu is epromm with the caps redone last year by me.

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Barnes
Firechicken
908/1000
237/2000


Galant VR-4 org Post #: 996058 posted 05/28/11 12:19 PM     Remind Me!  Send Private Message   Edit Post      
What is your spark plug gap?



-Jon Barnes
#580/2000 (Long Gone)
#908/1000 Black (Sold)
#237/2000 White

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RichHenry
Unregistered


Galant VR-4 org Post #: 996086 posted 05/28/11 04:28 PM     Remind Me!  Send Private Message   Edit Post      
It was .24 I dropped it to .22 and no change then to .20 and no change. I'm using ngk brp7es copper core plugs (one step colder then stock)

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JNR
5 star (English Professor) member Has extensive pop up picture book collection
20/1000


Galant VR-4 org Post #: 996092 posted 05/28/11 06:02 PM     Remind Me!  Send Private Message   Edit Post      
How are your spark plug wires?

What heat range plug did you install and was it doing this before the plug change and/or did it just start happening one day?

Posts: 9784 | From: ca | Member Since: 04/23/04 | IP: (71.103.87.15) | Report this post to a Moderator

RichHenry
Unregistered


Galant VR-4 org Post #: 996098 posted 05/28/11 07:50 PM     Remind Me!  Send Private Message   Edit Post      
wires a pretty new. it jsut started doing it one day. the plugs are one heat range colder. they always have been.

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RichHenry
Unregistered


Galant VR-4 org Post #: 996105 posted 05/28/11 09:26 PM     Remind Me!  Send Private Message   Edit Post   
fund it. so please disregard this thread. my intercooler cracked at teh drivers side end tank. its about 6 inches long. time to pull out the ol' tig welder.

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