Car dieing after Installs

[Nayr747]

I'm still having this problem so rather than start a new thread I thought I'd just ask in this one.

Originally Posted by 1stGenRocks

yea its probaly just your fuel trims readjusting. you might need to run some fuel injector cleaner and clean the throttle body and stuff. everytime you disconnect the battery for a minute or so it resets the fuel trim to 0. the fuel trim is what the computer uses to compensate for the quality of gas and how well the injectors are working

Can anyone give me more info on this? Is my car suposed to be doing this / is there a way around it? I have tightened up the battery cable clamp after disconnecting it for just a couple minutes and it still happens. For maybe up to 1/2 hour of driving, the car wants to die every time I push the clutch in, but it's Only after I disconnect the neg. battery cable. A lot of times the lights to the left of the rpm flash on for a second while the rpms drop to almost zero. It's getting on my nerves!

[spyderturbo007]

Let me get this straight, you are only having problems after disconnecting the battery? And these problems only last for 30 minutes?

If that is true, why not just stop disconnecting your battery?

Also, did you replace your negative battery terminal connection yet? You really should do that, improper grounds will cause all kind of really weird problems.

I see that all of this started after you did some installs. Do you have access to a logger? Did you remember to plug in your MAS? You aren't venting are you? Did you check for boost leaks? Are all of your connections plugged back in? There could be a lot of reasons why this is happening, but we need to start somewhere.

[Nayr747]

What do you mean? I cant just stop disconnecting it. If I'm, say, putting on a boost gauge, I need to take it off. Or for millions of other things.

I havent replaced the connector because it ONLY happens for a little while after I disconnect the battery. ANY other time it's golden, lol. I dont have a logger, no I'm not venting, everything is plugged back in, there may be some boost leaks but i wont be able to check until I get my air tank (I'm poor ). But again, it's only for a while (maybe 5 or so times of pushing the clutch in) after disconnecting. It doesn't seem like that would be a big deal but I've lost power steering while coming to a stop from it dieing, but that only halppened once. So this doesn't happen to anyone else?

[Gsx_hooptie]

On most cars your fuel trims readjust after the power to the ecu is cut. A few people already said that. It should take about ten minutes. No more than thirty. Give your car a few minutes to idle before taking it out after installing something.

On an unrelated note, go buy the battery cable. It's doubtful that's the problem, but it's good to have, and it's cheap. Kragen, Sears, and Napa all sell them as a generic part. When my negative battery cable connection was bad my car died on me and I got hella CELs, which was bad.

[Nayr747]

Alright, I'll cave in and give that battery cable a try eventually.

[spyderturbo007]

Originally Posted by Gsx_hooptie

On most cars your fuel trims readjust after the power to the ecu is cut.

Give your car a few minutes to idle before taking it out after installing something.

The fuel trims will adjust faster at idle than they will while cruising. Just a little info to save you some time.