'97 Grand Cherokee stalls at start up

[Silver_88]

I have a '97 JGC 4WD 5.2l V8. It just started stalling recently, when I first start it up it stalls and cuts off most of the time. Can anyone help me out? Its like it doesnt get the gas.

Any replies

my email is [email protected]

[Dsilver]

Talk to Dale, he will know what to do.

[dakro]

I have what sounds to be same probelm. Approx. 50% of the time on cold startup, engine does a little surge for fraction of second then immediately dies. Have to restart up to 6-8 times and/or start pumping and then it will then finally start running, but barely with RPMs jumping around in 200-600 RPM range. After pumping to keep it running for approx. 2-3 minutes, it seems to settle into a normal idle of 600-700 RPM. At that point it operates normally including on the road till the next cold start.

I have replaced Idle Air Control Motor and Engine Control Processor with no improvement or changes in symptoms. Any thoughts on what to try next?

[Dsilver]

Talk to Dale Aeppli, he posts all over the place in this forum, just click on his name and message him or send him an email.

[FSJer]

Originally Posted by Silver_88

I have a '97 JGC 4WD 5.2l V8. It just started stalling recently, when I first start it up it stalls and cuts off most of the time. Can anyone help me out? Its like it doesnt get the gas.

Any replies

my email is [email protected]

Most likely the throttle body and injectors are dirty, Service bullitin is out on this issue. Slight chance it could be the IAC (Idle air control) or if the battery is not holding voltage within limits after a start. But I would bet the injectors, and throttle body are dirty.

[Dsilver]

Me too, good call FSJer, otherwise yeah check the battery also.

[AZFlyingDiver]

My 96JGC had a similar problem - would start fine, just wouldn't hold idle, and it only happened once in a while. I had the fuel filter changed out and everything has been fine since.

[dakro]

Just for follow-up on particular problem, after changing the IAC, then the ECU (engine control unit), and then the IAC for the second time, the problem went away. 5-6 weeks of chasing the problem before resolving.