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Abbreviation for the 6th generation of Corvettes built starting in 2005 and are still in production....
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istter1 New. code ECM or PROM faulty
Elite Guru
Bakersfield Ca
2336 Posts
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2011/7/4 21:23



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New ecm does the Prom number have to be the same for a 87 manual transmission?

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Posted on: 2020/2/18 0:54
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istter1 Re: New. code ECM or PROM faulty
Elite Guru
Bakersfield Ca
2336 Posts
Member since:
2011/7/4 21:23



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Codes

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Posted on: 2020/2/18 4:33
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Matatk Re: New. code ECM or PROM faulty
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SW Chicago Burbs
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If you replaced the ecm you should have transferred your prom from the original.
Posted on: 2020/2/19 17:02
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istter1 Re: New. code ECM or PROM faulty
Elite Guru
Bakersfield Ca
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Quote:

Matatk wrote:
If you replaced the ecm you should have transferred your prom from the original.


I did

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Posted on: 2020/2/20 5:06
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Matatk Re: New. code ECM or PROM faulty
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SW Chicago Burbs
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Sorry for the delay Steve. Did you sort this out?

It is possible you installed the chip backwards.

It is also possible the new ECM is bad.

What was the reason for replacing the ECM in the first place?
Posted on: 2020/2/25 6:08
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc.
1989 Corvette...RIP
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bogus Re: New. code ECM or PROM faulty
Grand Imperial Pooh-Bah
San Pedro, CA
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Yeah... what Matthew said...
Posted on: 2020/2/27 2:02
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istter1 Re: New. code ECM or PROM faulty
Elite Guru
Bakersfield Ca
2336 Posts
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Quote:

bogus wrote:
Yeah... what Matthew said...

The prom was bad. They rebuild them now. Narrowed the problem down. It appears that when my son replaced the oil pressure sending unit he only got 1 prong in the plug.
Don't have time this weekend so will fix it Monday.

I have a 2 day trap tournament Sat and Sunday

Hope this is the answer to no start

Steve

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Posted on: 2020/3/7 1:04
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Matatk Re: New. code ECM or PROM faulty
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SW Chicago Burbs
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Did you get it sorted out?
Posted on: 2020/3/9 18:23
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1989 Corvette...RIP
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bogus Re: New. code ECM or PROM faulty
Grand Imperial Pooh-Bah
San Pedro, CA
20856 Posts
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yea, what Matthew said!

I am so damned creative.
Posted on: 2020/4/13 18:22
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Education is the best tool to overcome irrational fear. - me

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