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Thread: Ignition replaced.....dtc's and electrical issue are finally gone!!

  1. #16

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    Here are a few I have as well.

    Paul
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  2. #17
    Join Date
    Dec 2011
    Location
    Southern California
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    813

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    Excellent guys, safe to say this is a possible or even likely issue to keep in mind as the # of ignition cycles adds up?

    Not much you can do to proactively prevent this?

    2004 Z06/Z16 Stock motor, very modified suspension

    1996 Black/gray LT4 Coupe (sold)

    2007 328i (traded), 2004 IS300, 1995 M3 (sold), Chevy & Ford & Lexus SUV's.

    '06,'09,'10,'11,'12,'13,'16 SCCA Regional Solo Champion

    Visit my DIY video channel for tips. Click below.

    http://www.youtube.com/user/1947froggy?feature=guide

  3. #18
    Join Date
    Dec 2011
    Location
    Clever, MO
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    Hey all.....just an update on my ignition replacement last year. Glad to report that I've still had no issues since replacing my ignition last July. Each time I fire up my car I pinch myself that everything is functioning properly....man what a great feeling after the frustration I went thru for so long. Even though I live in southern Missouri where it gets very cold and gets snow, I do make an effort to drive my car for an hour..or more...very week during the winter time if the roads are dry to make sure everything gets hot and circulated properly. Here in the Ozarks are many great twisty backroads, plus a local freeway to get up to cruising speed too to work out my coupe. Besides keeping the car in shape, it's great therapy for this old man! It's the cheapest entertainment that I know of. I've got 83K miles on the clock now and I love long road trips in my C5 and want to visit Bowling Green this spring while I can. We'll see.

    Be well......
    Dennis

    Dennis "Fix" Fixsen dba FixVet Detailing Services, Clever, MO
    1998 Black over Torch Red Coupe, A4, F45, 3.15 rear, HP Tune, CAI, Vararam Velocity Stack, Z06 TI Catbacks, drilled/slotted rotors....VFW Life Member, VN Vet 70-71, 4thINF & 101stABN

  4. #19
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    Jul 2008
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    Ontario, Calif.
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    2,976

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    2015 Stingray Z51 w/ Magnetic Ride Control & 8-speed Automatic


  5. #20
    Join Date
    Dec 2011
    Location
    Southern California
    Posts
    813

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    2004 Z06/Z16 Stock motor, very modified suspension

    1996 Black/gray LT4 Coupe (sold)

    2007 328i (traded), 2004 IS300, 1995 M3 (sold), Chevy & Ford & Lexus SUV's.

    '06,'09,'10,'11,'12,'13,'16 SCCA Regional Solo Champion

    Visit my DIY video channel for tips. Click below.

    http://www.youtube.com/user/1947froggy?feature=guide

  6. #21
    Join Date
    Jun 2014
    Posts
    1

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    my 02 C5 won't start sometimes. Battery is good, starter is fine... but turning the ignition switch on would not do anything. Will require lots of attempts before it works. I'm just worried that one day it will just not start the engine anymore and will get me stranded elsewhere. Do you think it is an "ignition replacement" issue also?

    thanks
    marc

  7. #22
    Join Date
    Dec 2011
    Location
    Southern California
    Posts
    813

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    Miles, codes, mods?
    2004 Z06/Z16 Stock motor, very modified suspension

    1996 Black/gray LT4 Coupe (sold)

    2007 328i (traded), 2004 IS300, 1995 M3 (sold), Chevy & Ford & Lexus SUV's.

    '06,'09,'10,'11,'12,'13,'16 SCCA Regional Solo Champion

    Visit my DIY video channel for tips. Click below.

    http://www.youtube.com/user/1947froggy?feature=guide

  8. #23
    Join Date
    Dec 2011
    Location
    Clever, MO
    Posts
    176

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    It could be a number of issues. Pull your diagnostic trouble codes from the DIC first. Post them here.

    Dennis "Fix" Fixsen dba FixVet Detailing Services, Clever, MO
    1998 Black over Torch Red Coupe, A4, F45, 3.15 rear, HP Tune, CAI, Vararam Velocity Stack, Z06 TI Catbacks, drilled/slotted rotors....VFW Life Member, VN Vet 70-71, 4thINF & 101stABN

  9. #24
    Join Date
    Dec 2011
    Location
    Clever, MO
    Posts
    176

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    Hey guys......it's been a year now since I replaced my ignition on my '98 C5 last July 2013. Glad to report she's running great, still without any previous issues that I was fighting for so long. I just rolled over to 86K miles on the odo, drive it every week on my 1-2 hour Ozark back road cruises down around Table Rock Lake by Branson, as well as summer car shows and cruise ins. I feel blessed with such a great low maintenance car so far. Other than this ignition replacement, I've only r/r'd the coolant and stat, rad hoses, diff. fluid and tires(twice now). Sure can't complain. I always take my vette on my long road trips to see my son in Kansas. Can't beat the mileage.....and of course, the cool factor!

    Later................

    Dennis "Fix" Fixsen dba FixVet Detailing Services, Clever, MO
    1998 Black over Torch Red Coupe, A4, F45, 3.15 rear, HP Tune, CAI, Vararam Velocity Stack, Z06 TI Catbacks, drilled/slotted rotors....VFW Life Member, VN Vet 70-71, 4thINF & 101stABN

  10. #25

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    Hello Fixvet. I live in Branson and am having similar problems with my vette. Do you have instructions on how to get to and remove the ignition switch? Thx

  11. #26
    Join Date
    Dec 2011
    Location
    Clever, MO
    Posts
    176

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    Quote Originally Posted by jayhawker_1012 View Post
    Hello Fixvet. I live in Branson and am having similar problems with my vette. Do you have instructions on how to get to and remove the ignition switch? Thx
    Just sent you a Personal Message with my tel. no.

  12. #27
    Join Date
    Oct 2016
    Posts
    2

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    Quote Originally Posted by c4c5specialist View Post
    HI there,

    The quality work here and the quality diagnostics is something to be proud of. I am STICKING this thread because EVERYONE who owns a c5 needs to see this!

    The ignition LOCK CYLINDER does have to be coded. The IGNITION SWITCH does NOT and can be plug and play.

    Allthebest, Paul
    Hi, so
    Sorry but based on everything I know the above is incorrect with regards to the ignition lock cylinder, which I am sure does NOT need to be recoded. On a C5 the resistor is in the key and the Ignition lock cylinder has a sensor which reads the resistance and passes it to the EBCM for verification, nothing more. If you fit a new ignition lock cylinder what you do have to deal with is the key; a couple of options. If you get a new key with the cylinder it needs to have the same resistance as you current key. Alternatively take your cylinder and original key to a decent locksmith and get them to reset the new tumblers in your new cylinder to match you original key. Some people talk about taking the tumblers from the original cylinder and fitting them to the new cylinder. OK if you want to do the job yourself but these things do wear so using new tumblers is probably the better option.
    Somebody who really knows their stuff might be able to recode the EBCM to the new key but I suspect that is beyond most of us (I have never read anything on this). Maybe if you have a Tach2 or whatever it is called, it is easy to dial in a new resistance to the EBCM but I suspect the dealership will charge a lot more than the 40-50 bucks locksmith charge.

  13. #28
    Join Date
    Oct 2016
    Posts
    2

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    Hmn, I have just read something which makes me think I may have misunderstood due to a difference in English, as is often the case between the USA and England, similar to hood and bonnet! I now suspect the word "coded" may be referring to tumblers being present in the new cylinder, although why one would go to a dealership to get that sorted is beyond me. Anyway if I did have it wrong please accept my apologies for asserting an error.

  14. #29
    Join Date
    Dec 2011
    Location
    Clever, MO
    Posts
    176

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    Quote Originally Posted by jayhawker_1012 View Post
    Hello Fixvet. I live in Branson and am having similar problems with my vette. Do you have instructions on how to get to and remove the ignition switch? Thx
    Hey Jayhawker......I was looking at my old post here. Did you ever get your car issues sorted out? I never got a call from you, but would be glad to help. I PM's you my cell # last year.

    Dennis

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