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Old Oct 21, 2023 | 01:13 PM
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I looking for a good mechanic in the inland empire that I can trust with my 2009 Z06. Symptoms are when driving the engine just shuts off, all power stays working. I have to shut the power down and wait a minute or two and then the car starts and drives for a mile or two. Then just does it again! Yes, I had the battery check, test good. Please help! thanks in advance for your reply.
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Old Oct 21, 2023 | 01:17 PM
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This post is a duplicate and will be deleted !!…I suggest you find an auto electric or diagnostic shop in your area…sorry but NO easy fix like a blown fuse !!!!…your typical “mechanic” won’t know how to diagnose it unfortunately!!

Last edited by C5 Diag; Oct 21, 2023 at 01:24 PM.
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Old Oct 21, 2023 | 01:26 PM
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So can I post up looking for a good auto electric or diagnostic shop my your area?
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Old Oct 21, 2023 | 01:34 PM
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Originally Posted by GreggO909
So can I post up looking for a good auto electric or diagnostic shop my your area?
OK, I’ll leave this thread going and delete your other one !!..I will move THIS thread to Tech.
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Old Oct 21, 2023 | 02:02 PM
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Are you getting any fault alarms on the DIC? Have you checked for any fault codes using a scanner? A Tech II would show any DTC codes thrown, which could narrow where you have to look for the cause. It could be loss a temporary loss of fuel if the electrical system checks OK. I could be a wiring issue at the Engine control module, etc etc. I've attached a vehicle diagnostic section which shows the fault codes/DTC's.
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VEHICLE DIAGNOSTICS.pdf (799.4 KB, 379 views)
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Old Oct 22, 2023 | 09:34 AM
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Edwin at powerhouse racing is pretty local to you and has a great reputation on this forum.
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Old Oct 22, 2023 | 12:57 PM
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Originally Posted by Jfryjfry
Edwin at powerhouse racing is pretty local to you and has a great reputation on this forum.
upvoted, yes Edwin is great at resolving electrical issues, his true passion. Well worth the drive
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Old Oct 22, 2023 | 09:53 PM
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Originally Posted by 4SUMERZ
Are you getting any fault alarms on the DIC? Have you checked for any fault codes using a scanner? A Tech II would show any DTC codes thrown, which could narrow where you have to look for the cause. It could be loss a temporary loss of fuel if the electrical system checks OK. I could be a wiring issue at the Engine control module, etc etc. I've attached a vehicle diagnostic section which shows the fault codes/DTC's.
When it happens the dash does light up, reduced power, check engine, check electrical system, ect all came on. It did throw a code, because the check engine light was on after restart. Unfortunately I was not thinking and removed the battery to have it load tested, so the code was erased. I finally had a chance to drive it again today, without a problem. Drove for 10 to 15 minutes in all performance modes and the car ran great! So now I am praying that it's not going to be gremlins! Obviously the next time it happens I won"t remove the battery. Thank you for the fault code PDF. and your help!
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Old Oct 22, 2023 | 09:59 PM
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Originally Posted by Jfryjfry
Edwin at powerhouse racing is pretty local to you and has a great reputation on this forum.
Thanks for the suggestion, but Lancaster is quite a far way away from Fontana.
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Old Oct 22, 2023 | 10:05 PM
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Sounds like a fuel pump relay, or relay connection. My car did the same exact thing. There are plenty of videos you can search. Easy fix if it is the case.
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Old Oct 22, 2023 | 10:27 PM
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He does mobile service / I was going to have him come down to the lax area when I was out of town but a neighbor ended up being able to fix it.


any chance you had loose battery cables that you properly tightened when you pulled the battery?
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Old Oct 23, 2023 | 12:56 AM
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Originally Posted by TwentySix
Sounds like a fuel pump relay, or relay connection. My car did the same exact thing. There are plenty of videos you can search. Easy fix if it is the case.
Thanks for the tip, I will take a look at those videos!
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Old Oct 23, 2023 | 12:58 AM
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any chance you had loose battery cables that you properly tightened when you pulled the battery?

Always a chance but they seemed to be tight when I unhooked them.
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Old Jan 15, 2024 | 09:58 AM
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Any luck figuring this out?
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Old Jan 18, 2024 | 12:51 PM
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Originally Posted by GreggO909
When it happens the dash does light up, reduced power, check engine, check electrical system, ect all came on. It did throw a code, because the check engine light was on after restart. Unfortunately I was not thinking and removed the battery to have it load tested, so the code was erased. I finally had a chance to drive it again today, without a problem. Drove for 10 to 15 minutes in all performance modes and the car ran great! So now I am praying that it's not going to be gremlins! Obviously the next time it happens I won"t remove the battery. Thank you for the fault code PDF. and your help!
Had a same problem had to replace my EMC. I have an '05
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