Something weird happened w/ my C4?
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From: Tyler TX
Something weird happened w/ my C4?
Well I took my C4 to work yesterday she ran like a champ like always until I went home after work...Pulled into the driveway, had to back up a lil to straighten her out to pull in the Garage...as I started to pull in heavy jerking started happening it was some crazy sXXt!! I turned her off fast..nothing leaking everything fine under hood, under car..I had her for bout a year and no problems..I'm going to look thru the history maintenance stuff to see if the Opti has been replaced and other things before...Also I haven't messed with her yet and yes SES been blinking lately..I do have an Autoxray w/ OBD I and II but had to order couple of days ago a specific connector for my vette..So what do you guys think? kinda scared to try turning the key...
1995 C4
1995 C4
Last edited by Rob10R; Aug 23, 2008 at 08:42 PM.
Le Mans Master
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From: Myrtle Beach SC
St. Jude Donor '05-'06
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From: Tyler TX
Well I've installed 2 weeks ago Chamberred pipes with muffler eliminators to the factory headers and cats... Prior to the install on drivers side I had a lil problem getting 1 of the nuts off of the studs on the cat pipe...Rusted s**t as hell lots of WD40..I tried taking the whole driver cat off of the header and managed to loosen 2 nuts but broke off 1 nut w/ a stud that came of the header!!... so after I got everything put together theres only 2 studs and 2 nuts holding the driver side header with the cat...would that cause that weird acting up??...Pretty soon I'm gonna order some hooker shorties to replace those factory Headers... Also I 've checked both cats and they looked ok...
Pro
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Well I've installed 2 weeks ago Chamberred pipes with muffler eliminators to the factory headers and cats... Prior to the install on drivers side I had a lil problem getting 1 of the nuts off of the studs on the cat pipe...Rusted s**t as hell lots of WD40..I tried taking the whole driver cat off of the header and managed to loosen 2 nuts but broke off 1 nut w/ a stud that came of the header!!... so after I got everything put together theres only 2 studs and 2 nuts holding the driver side header with the cat...would that cause that weird acting up??...Pretty soon I'm gonna order some hooker shorties to replace those factory Headers... Also I 've checked both cats and they looked ok...
Could be an O2-sensor giving false info to ECM when you have a leak in the exhaust (backpressure-issue).
Le Mans Master
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From: Myrtle Beach SC
St. Jude Donor '05-'06
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From: Tyler TX
Hey guys I haven't been able to get around to figure what code its throwing yet...tried to do that pin code thing its a lil pain climbin under the steering to look at the connector closely..I'd try again..wish I had that OBD II Connector ...oh one more thing its blinking "SYS" not SES actually..
Le Mans Master
Joined: Dec 2004
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From: Myrtle Beach SC
St. Jude Donor '05-'06
Hey guys I haven't been able to get around to figure what code its throwing yet...tried to do that pin code thing its a lil pain climbin under the steering to look at the connector closely..I'd try again..wish I had that OBD II Connector ...oh one more thing its blinking "SYS" not SES actually..
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From: Tyler TX
well, well, I cranked her up and looked under the hood..sounded like it was missing, loping smelled a lil rich..drivers side looked good..than got to the passengers side looked around and boom I see something sparking! one of the freaking sparkplug wires was touching the manifold!! took it of the manifold and back to normal:thumbsup: ...jeez a wire touching a manifold cause this weird mystery...thanks all for the help!!!! the battery is still brand new bought it last year..thinking maybe the new aftermarket radio throwing that SYS light once in a while??
I'm thinking of getting some new ignition wires what do you recommend to replace the factory 7mm wires??...been looking at 8.5 mm MSD wires...thanks ya!!
I'm thinking of getting some new ignition wires what do you recommend to replace the factory 7mm wires??...been looking at 8.5 mm MSD wires...thanks ya!!
Last edited by Rob10R; Aug 24, 2008 at 11:43 PM.
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From: Tyler TX
8mm Granatelli Spark Plug Wires... thanks again ya
Le Mans Master
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From: Myrtle Beach SC
St. Jude Donor '05-'06
Yep that is what is tripping the SYS light good find on the wire. There is a fix for the aftermarket stereo SYS light trip might want to try some searches or check the tech tips. I have seen it posted around here before.
