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Topic Review (Newest First)
12-10-2013 11:06 AM
Tdog02 It is a potential problem and there were several TSB's on it. It's a vapor lock/heat soak problem. Extra heat shielding at the manifold and injectors with an upgrade mopar radiator fan and clutch assembly were the fixes. Other things: after market are louvers and tweaking the cooling system with a hi flow water pump and thermostat housing. Not a wide spread problem but if your rig has the issue it can be fixed and made reliable.

Design issue fault by Chrysler when they were trying to heat the exhaust quickly to make the cats more efficient and lower the emissions output. Just another fine example of government regs screwing with the end consumer.
12-10-2013 10:39 AM
2five22 I've never heard of TJ Jeeps en masse having such a problem. Since the Border Patrol had a fleet of them in places like Yuma, El Paso, and the California desert, it would have been publicized.

Ask for clarification.
12-08-2013 06:48 PM
johnny102393
Quote:
Originally Posted by GoingInJeep View Post
I was talking with a man with a jeep I might buy and he mentioned an issue that some TJs have.

When the engine get hot, they stop running.

Since this is Arizona and it gets hot here what is the deal.

He said it had something to do with the fuel injector and exhaust manifold temps?

Thanks,

D
As with every engine if it gets to hot bad things will happen, I just replaced my whole cooling system this summer due to my coolant boiling and cracking my radiator! if this upcoming summer ends up making the engine run hot i will go buy hood louvers.
12-08-2013 03:32 PM
RubiCobra
Quote:
Originally Posted by GoingInJeep View Post
I was talking with a man with a jeep I might buy and he mentioned an issue that some TJs have.

When the engine get hot, they stop running.

Since this is Arizona and it gets hot here what is the deal.

He said it had something to do with the fuel injector and exhaust manifold temps?

Thanks,

D
A few people have had problems personally with the heat here. Hood vents are a good idea to keep the temps in check.

I have not had any problems with my 05 either here or NV. Although I did install hood vents this summer just to keep it reasonable under the hood.
12-08-2013 02:43 PM
GoingInJeep
Hot engine cutout (TJ)

I was talking with a man with a jeep I might buy and he mentioned an issue that some TJs have.

When the engine get hot, they stop running.

Since this is Arizona and it gets hot here what is the deal.

He said it had something to do with the fuel injector and exhaust manifold temps?

Thanks,

D

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