check engine light '96 4.0 HO Country

4 wheel high · 03-01-2006, 08:27 PM

Hi guys,
My folks has a '96 Country 4.0 HO Auto w/108k. The check engine light comes on and stays on..never flickers on and off. It runs smooth on the road and at a stop sign. The only thing that is different is that when it gets warm (not even up to operating temp) it becomes hard to start, but will start fine when cold. I had an '88 XJ, but had to 'upgrade' in size to a Dodge GC due to the family. As you know, they did alot of computer changing from'88-'96, so I'm pretty much at a loss on this one. Could it be the o2 going bad? How about injector sensors? Any help would be really appreciated! TIA!!!

Craig

dynamite44 · 03-01-2006, 08:30 PM

Quote:

Originally Posted by 4 wheel high

Hi guys,
My folks has a '96 Country 4.0 HO Auto w/108k. The check engine light comes on and stays on..never flickers on and off. It runs smooth on the road and at a stop sign. The only thing that is different is that when it gets warm (not even up to operating temp) it becomes hard to start, but will start fine when cold. I had an '88 XJ, but had to 'upgrade' in size to a Dodge GC due to the family. As you know, they did alot of computer changing from'88-'96, so I'm pretty much at a loss on this one. Could it be the o2 going bad? How about injector sensors? Any help would be really appreciated! TIA!!!

Craig

double post homeboy. deliete one of these.

cjwalkeriii · 03-01-2006, 08:36 PM

I would be willing to bet that it's the coolant temp sensor on the T-Stat housing. I recently overheated mine resulting in damage. I put a snap on scanner on it, turns out it was reading to high. Regardless, if the temp sensor is inaccurate, in you case indicating that the engine is always cold, it will constantly try to start out as if it was cold similar to choked. Take it to advance and get them to pull the code, then come back and let us know. or go by the temp sensor and give it a shot. Just an idea...
jamie

remeber, this is the temp sensor for the ecu, not the gauge!

AZ Jeff · 03-01-2006, 09:52 PM

Did you interrogate the check engine light by doing the key on/off trick to get it to flash codes?

**balloo93** · 03-01-2006, 11:03 PM

If the key on-off doesn't work, take it to a autozone and have it hooked up to a OBDII scanner tool. That will let you know what is tripping.

**Matt Gertsch** · 03-02-2006, 08:50 AM

Turn the key to the off position. It is right before on. Flick the key from off to on, off, on, off, on. The check engine light will begin flashing. Get ready to copy the number of flashes down. Do that a few times, they can be difficult to copy and interpret the first few times. When you've decided what the codes are, post them and we'll let you know what they mean and what possible fixes are. Good luck!