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Selling w/limp mode

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Old Mar 7, 2023 | 12:15 PM
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Default Selling w/limp mode

My ‘99 has been experiencing intermittent limp mode episodes over the last 12 months. This started after Novato Chevrolet had to basically dismantle the engine to replace a damaged oil and trans pan. They’re not taking any responsibility for not reassembling properly/ correctly.

I’ve had it into four different shops with no positive outcome. Typically it will ‘reboot’ after turning off and back on. Last time it went for 400+ miles before going limp again. Now it will not reboot.

I’m done with trying to fix the problem. So looking to put it up for sale after 165K miles but who would want it? What can I do? Looking to maximize some $$ out of it.

Suggestions?
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Old Mar 7, 2023 | 12:27 PM
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There are always guys looking for a roller-This sucks and will take time and effort, but, IMO, the best way to get as much as possible (given your situation I mean) is to remove the motor and trans, sell them out right to someone and then sell the rest of the car as a roller to someone who is making a racer- if you sell the whole thing to a "roller" buyer, they will make the money off the motor and trans but I also understand it sucks to do the "parting out" of a car. You need time and space-
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Old Mar 7, 2023 | 12:35 PM
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Thanks. Not my style or capability to part out. What about donating to aa charity? Write off worth it?
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Old Mar 7, 2023 | 02:06 PM
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what's your asking price? many times an intermittent failure is a pain to diagnose but trying to sell it broken won't do well.
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Old Mar 7, 2023 | 02:13 PM
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what's your asking price? many times an intermittent failure is a pain to diagnose but trying to sell it broken won't do well.[/QUOTE]

Haven't researched possible pricing yet. Yes... I understand I'll probably take a hit on it. Bummer... I LOVE this car and it's treated me extremely well until the dealership put their hands on it.
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Old Mar 8, 2023 | 11:04 AM
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Moving this to C5 Tech for some suggestions. If you do put the car up for sale, please repost in the C5 Corvettes for Sale section and be sure to include an asking price.
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Old Mar 8, 2023 | 05:07 PM
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I'd install a LMC5 column lock bypass. Tech support has been great from them as well. A friend had a 2000 with same problem.
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Old Mar 8, 2023 | 07:18 PM
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Originally Posted by jerrybags
My ‘99 has been experiencing intermittent limp mode episodes over the last 12 months. This started after Novato Chevrolet had to basically dismantle the engine to replace a damaged oil and trans pan. They’re not taking any responsibility for not reassembling properly/ correctly.

I’ve had it into four different shops with no positive outcome. Typically it will ‘reboot’ after turning off and back on. Last time it went for 400+ miles before going limp again. Now it will not reboot.

I’m done with trying to fix the problem. So looking to put it up for sale after 165K miles but who would want it? What can I do? Looking to maximize some $$ out of it.

Suggestions?
When it goes into limp mode have you read the DIC to see what codes are present. If you have that information you maybe able to get some help from the people on the forum. It also might help you sell it since a buyer might have some idea what's wrong.
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Old Mar 9, 2023 | 12:17 AM
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Originally Posted by Vette Millenials
I’d try and get it to a c5 specialty shop like Lyle in Florida or Jason in Arkansas.

I’ll bet it’s something simple to fix. You don’t want to have it cost you thousands during the sale.
Who is this Jason in Arkansas, what does he do, and how does one contact him?
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Old Mar 9, 2023 | 10:28 AM
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Yes, we’ve pulled the codes but keeps leading us down the wrong path. First said throttle body. Replaced it and no fix. Others relating to ‘service active handling system’ don’t tell much as we’re told this is a catchall and isn’t meaningful.
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Old Mar 9, 2023 | 11:05 AM
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Originally Posted by jerrybags
Yes, we’ve pulled the codes but keeps leading us down the wrong path. First said throttle body. Replaced it and no fix....
In my younger days when I was still naive and trusting I had taken my 'vette to a dealer for some trivial maintenance. Before I drove off I popped the hood for a quick inspection (I've been fortunate in the past to find tools that mechanics have forgotten to remove). Strange, their were water droplets all over the engine bay. When I brought the car in, I was asked "Do you want the engine bay washed after the maintenance?" Even though I had said "NO" it was obvious it had been washed. I got about a mile down the road and the car went into limp mode. I limped home with a throttle body code that went away after I dried the throttle body and reseated the wiring.
It would be an easy check to verify that the throttle body wiring is intact and not chafing, thereby throwing a code.
I have lots more incompetent dealer stories which is why I take my car to the local guy when I have stuff that I can't fix.

dan k.
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Old Mar 10, 2023 | 01:36 PM
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Thanks Dan. When I replaced the throttle body, which was a three week adventure as they were discontinued by GM in 2012, I can only image the harness to the throttle body would have to be removed and replaced and hopefully examined for any issues. But who knows. Did your inspection and reseating solve the problem?
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Old Mar 10, 2023 | 01:38 PM
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And did installing that stop the limping? Did codes lead your friend in that direction?
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Old Mar 10, 2023 | 01:54 PM
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Originally Posted by jerrybags
My ‘99 has been experiencing intermittent limp mode episodes over the last 12 months. This started after Novato Chevrolet had to basically dismantle the engine to replace a damaged oil and trans pan. They’re not taking any responsibility for not reassembling properly/ correctly.

I’ve had it into four different shops with no positive outcome. Typically it will ‘reboot’ after turning off and back on. Last time it went for 400+ miles before going limp again. Now it will not reboot.

I’m done with trying to fix the problem. So looking to put it up for sale after 165K miles but who would want it? What can I do? Looking to maximize some $$ out of it.

Suggestions?

What kind of shop did you take it to ???… if a general repair or a dealership they DON’T have any idea on how to diagnose something like this…all they will do is replace parts until they fix it unless it’s something electrical and then they are WAY clueless…a diagnostic shop or an auto electric shop is where you want to take it if not trying to diagnose it yourself…if a TB issue using a scope will diagnose this problem quickly…unfortunately 999 out of a thousand shops or dealerships don’t use one !!…seeing what DTC’s you have is the first step to diagnose this !!…where do you live ??



Last edited by C5 Diag; Mar 12, 2023 at 04:13 PM.
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Old Mar 11, 2023 | 11:04 AM
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Originally Posted by jerrybags
Thanks Dan. .... Did your inspection and reseating solve the problem?
Yes.
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Old Mar 11, 2023 | 12:44 PM
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send the car to Anthony in california. I have been looking for another c5
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Old Mar 12, 2023 | 12:12 PM
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Tell me more. Anthony???
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Old Mar 12, 2023 | 04:03 PM
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Originally Posted by jerrybags
Yes, we’ve pulled the codes but keeps leading us down the wrong path. First said throttle body. Replaced it and no fix. Others relating to ‘service active handling system’ don’t tell much as we’re told this is a catchall and isn’t meaningful.
Did you just read the codes and replace the part or did you actually follow the diagnostic process for each code since a code only tells you where to look not what to replace. As for the Service Active Handling System that message comes up when a code that affects the proper operation of AH is produced such as a misfire code. As C5 Diag told you the diagnostics have to be run and you may need additional tools

Bill
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Old Mar 12, 2023 | 04:40 PM
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Jerrybags, My 2000 was hit on the drivers door and the rocker panel and rear suspension was damaged. Insurance company totaled the car . I did everything I could to try and get it repaired
I really loved the car. body shops in town didnt want to take on the rocker panel so it was sold at an insurance auction, but not before they left it outside with the windows down in a rain storm and soaked the passenger side
I have been looking for another c5 ever since. My insurance company didnt pay me enough for my car to buy another corvette and any that are being sold in my area at or around a reasonable price are either high mileage cars or they have serious mechanical issues
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Old Mar 12, 2023 | 05:26 PM
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So are you interested in my C? Here's some specs. I'm in Sonoma Valley, CA

1999 Corvette Coupe
Magnetic Red
2 Tops: Red and Plexi
VIN: 1G1YY22G1X5130652
MILES: 165,647


[img]blob:https://www.corvetteforum.com/0552a5a0-0db0-408a-bd73-380a4cb957b3[/img]
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