Darrin Baxter

I had a mail order tune done and got it all back togather yesterday. The car will not start. When you hit the start button all the dash lights and everything goes out. after a few seconds it all comes back on and says low fuel when there is plenty of gas in it. Two weeks ago before I sent this stuff off the car was running fine.Any ideas
Thanks Darrin

Turbo6TA

Yup ... I have an idea.

I don't think it is your mail-order tune. I think you need a new battery.

4SUMERZ

Get it load tested to be sure, but it is likely the battery or maybe the connections at the battery posts or at the Starter. If you have headers, the starter solenoid connector bakelite can get brittle and break off.

Darrin Baxter

put a battery in yesterday. cables are clean. no headers. The car was cranking and running fine 2 weeks ago. its been sitting on jack stands in my garage. It makes no sense

Pete2k_Z28

Cooter Tech

New batteries are not always full charged.

Darrin Baxter

we own a carquest parts house. I had it load tested and made sure the battery was good before I installed it.

Darrin Baxter

It will not turn over.just clicks and everything goes out for a few sec and comes back on.

RogerRamjet21

Sure sounds like when my battery was going bad (bad cell). After jumping it and driving to Autozone, it tested fine, apparently the cell would hold a charge for a brief time).
Do you have another vehicle handy to jump from? At least that would eliminate a weak or dead battery.

Darrin Baxter

Tried jumping it off. Still same results. hit the start button it clicks everything goes off for a sec then everything comes back on and says low fuel service fuel system. Did not do any of this until I put the pcm back on. 2 weeks ago before I removed the pcm it ran perfect. Cranked great now nothing.

Dano523

Is this a tune where you sent the ECM to someone to flash it, and then had to put the ECM back in?

If yes, get a hold of the person that flashed the ECM for you with a the new tune.


If no, then what is "put it back together" all about?

Darrin Baxter

yes I had ecs flash it and when I put it back in thats when the problems started

Welker1

I know it would be one heck of a coincidence, but I'd pull and check the starter. If you hear it clicking, it means it's getting power but not spinning to crank the motor. Good luck.

ddame2

The Service fuel system and gauge reading LOW is a known issue. I actually am currently dealing with it. I have no idea how this would relate to the battery though, so I cant be of much more help. Here is one of many threads in regards to this issue:


https://www.corvetteforum.com/forums...m-warning.html

jaredtxrx

Can you get into ACC mode? If so change the DIC to the voltage readout. It should read 12.4(+-.1) if is is lower than that then something (ground wire, starter wire, ECU connection, etc...) is loose and the ECU isn't seeing the full charge and won't start the car.

ddame2

Is this a M6 or an AUTO? Ive heard of very rare instances where a mail away tune can cause this on the M6 cars.. something to do with the clutch pedal calibration, or indication to relay the message for the car to start. I would ask the person who tuned it if this could be an issue, again, only if its an M6....

C6in816

This is battery related 2 things make sure you have a good charge and also make sure the posts connections are tight because when it says service fuel system and the gas hand goes to E the connections are not tight.

Darrin Baxter

Yes I can get there. I will look and see

Darrin Baxter

Its a auto

Darrin Baxter

yes to both