AutoBanter

AutoBanter (http://www.autobanter.com/index.php)
-   Corvette (http://www.autobanter.com/forumdisplay.php?f=22)
-   -   PING: DAD! question about c4 ecm problem (http://www.autobanter.com/showthread.php?t=423645)

unclevito October 13th 15 12:41 PM

PING: DAD! question about c4 ecm problem
 
On 9/16/2015 5:11 AM, wrote:
> I have a 1990 C4. base engine, 6 speed. All of a suddent it would
> start locking out my ignition as if it where reading my key chip as
> invalid. 5 minutes later it would reset and I could get it started
> agin. Suspected key switch but it always read good. Then it just shut
> down. No fuel pump, no turn over, nothing. Exaclty as anti theft would
> do but never reset. No codes from the ccm or ecm. Finally I changed
> out the ecm and bingo it started and ran fine. I did see to dark pins
> on one of the connectors. I cleaned them and hooked everything up and
> all was well, for about 2 weeks. This is not a dailey driver, but
> after approximatly 10 starts and stops it did it again. I had it towed
> home and again no codes and everything appeared fine. I replaced the
> ecm again and bang it started right back up. I am almost afraid to
> drive it now as I dont want to get starnded somewhere. I will probably
> buy a back up ecm so if it does ahppen again I can get home. I was
> just wondering if you might have an additional idea as to what to look
> for/check that may be a cause for this proble. I do have 107000 miles
> on it. I appreciate any help you can gie me.
> Thanks
> Ron
>



Go to
www.corvetteactioncenter.com and ask there.

Vito

[email protected] October 14th 15 02:09 PM

PING: DAD! question about c4 ecm problem
 
Thanks for the info. I have registered and will see if they can help!

On Tue, 13 Oct 2015 04:41:39 -0700, unclevito
> wrote:

>On 9/16/2015 5:11 AM, wrote:
>> I have a 1990 C4. base engine, 6 speed. All of a suddent it would
>> start locking out my ignition as if it where reading my key chip as
>> invalid. 5 minutes later it would reset and I could get it started
>> agin. Suspected key switch but it always read good. Then it just shut
>> down. No fuel pump, no turn over, nothing. Exaclty as anti theft would
>> do but never reset. No codes from the ccm or ecm. Finally I changed
>> out the ecm and bingo it started and ran fine. I did see to dark pins
>> on one of the connectors. I cleaned them and hooked everything up and
>> all was well, for about 2 weeks. This is not a dailey driver, but
>> after approximatly 10 starts and stops it did it again. I had it towed
>> home and again no codes and everything appeared fine. I replaced the
>> ecm again and bang it started right back up. I am almost afraid to
>> drive it now as I dont want to get starnded somewhere. I will probably
>> buy a back up ecm so if it does ahppen again I can get home. I was
>> just wondering if you might have an additional idea as to what to look
>> for/check that may be a cause for this proble. I do have 107000 miles
>> on it. I appreciate any help you can gie me.
>> Thanks
>> Ron
>>

>
>
> Go to
www.corvetteactioncenter.com and ask there.
>
>Vito



All times are GMT +1. The time now is 10:13 AM.

Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
AutoBanter.com