starting problem when cold

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speedfreekSHO

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hey guys, I've been racking my mind for the last three days trying to fix this. Every morning, I go out to my car, put in the key, and my baby starts right up....then dies. It will continue to do this over and over, and each time it becomes harder and harder to get her to start up again.
The only way I can keep it from dying is to immediatly give her gas as soon as I start it. Then I'm sitting there for 5 minutes trying to hold the darn thing at 2000 rpm trying to warm her up and even doing that is difficult because the tach wants to jump around a few hundred rpms each way, mostly down. Should I remove my foot off the gas at anytime, the rpms drop to around 400 very quickly and then cuts off. For the last few days I've had to roll through every stop i come to during the first few minutes of my drive. After about 5 minutes of running her fairly hard, it manages to hold about 800rpms. It isn't an outside temp thing because it does the same thing when I'm trying to leave work and its 60-70degrees outside. I'm totally lost here.
This all started last friday, the morning after I removed and cleaned out the intake manifold(which was incredibly dirty, obviously not cleaned by its previous owner,that bastard :mad: ) I've checked every hose, electrical connection and bolt possible. I put back everything I took off when i cleaned the intake. I also tried reseting the computer to the new idle position using a procedure i found by searching the forum that sdpatt posted a while back(though I was not sure whether I had to continue doing the steps for a certain period of time or just once shrug )

I appreciate any help I can get for this.

Also, I know that the Camshaft positioning sensor is going bad, though I havent gotten a chance to replace it. Every once in awhile the car will start bucking like a rodeo bull but it never caused the problems I'm experiencing now.

thanks again
 

AutoSHO

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Are you certain you plugged the IAB back in? Any codes stored? Did you reconnect the Ground strap on the passenger side rear corner of the intake? Sounds very much like an IAB problem or a big vacuum leak.
 

stevetatro

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The fact that these problems started when you did something means that it's probably something you did!

Make sense?

It really, really, really sounds like a vacuum leak somewhere, although it could be a connection not hooked up properly.

I know you said you checked all this, but what else could it be?!?

Search for Scott's list of what comes apart during the intake removal/dismantling. I believe I've seen him post it before. It will give you a "checklist" of what connections (vacuum and electrical) to double (or triple?) check.

Good luck.

If you can retrieve any codes that would be helpful to the diagnosis as well ;^)
 

BeatDaSHO

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Yo man. Did you reinstall the intake ground strap on the back of the intake? Did you put in the bolts for the crossover tube? Check those connections.

Greg
 
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