G'Day from Down Under
Hi All, Thanks for the site. I'm sure it'll come in handy.
That was how I was going to start off as a new member of the Jeep Garage. Alas, it was not to be.
I recently purchased a '2000 WJ GC V8 that ran beautifully for the first 2 months. Then the unthinkable happened while out shopping.
It started with a tick-tick-tick that progressively got louder and quickly changed to a knocking noise when all of a sudden the gauges started flickering wildly and it stalled. I tried to restart it but all it would do was turn over and not fire.
After leaving it sit for 5 minutes I tried again. It started to fire up and a huge cloud of black smoke erupted from the exhaust pipe. It wasn't running rough, but didn't seem to have a lot of power and all the gauges were operating correctly.
I managed to get it the 2km to home where it died again and, this time, wouldn't restart.
Checked for any error codes using the key dance and my OBD code reader and there were none.
Now the worst part. Pulled the spark plugs out and they all had huge (1.6mm+) gaps and were very worn.
Compression test showed most cylinders had 0-30psi and 2 had 110psi.
Put some oil into the cylinders and retried. The pressures rose up to 30 psi minimum.
I had initially suspected the Crank Position Sensor to have failed, but can't justify that with no compression.
I also had a huge power drain that flattened the battery completely.
Has anyone got any ideas - apart from rebuild/replace the engine?