Hey y'all, I'm new to the site. My rover is driving me nuts!
So I have a 2003 discovery recently I've done the following, new oil pump, new coil packs, new plugs and wires,new air filter.
Last time I changed the oil was around 2000 miles ago, I used rotella with a k&n filter.
lately the truck has smelt like it's running rich, then.....it's started making a tapping noise. So, I checked the oil and it smells like straight gas.

Any help would be greatly appreciated.

 

Check the compression.
How many miles?

 

Yes, start with checking codes and condition of engine (compression, vacuum, etc).


Brian.

 

 

Rich smell while running may be some faulty injectors. You could have one or more leaking as a sieve after engine is shut down until the pump pressure is bled off. Even with good compression the gas will drain past the rings. Gas in the oil won't go away unless driven regularly for some time/miles at normal op temps.
......

 

 

With gas in the oil, you may find which cylinder(s) simply by removing each spark plug, and being able to smell the gas and see the soot on the plug. Which would be obvious when you remove them for a compression test.

 

And not to be captain obvious, but I would stop driving it.
These things usually tick for one reason or another anyway, but if there's gas in the oil, that gas is washing all the oil off of cylinders, bearings and the entire engine.
Which means little to no lubrication, and can ruin an otherwise good engine.

 

Recommending checking oil pressure also, hot and cold. Ticking could be related to low op

Is the ticking only after warm up, or all the time? If after warmed up - try to figure out what temperature it starts ticking - get the torque app and an Elm 327 bluetooth device off of Amazon.

You can borrow a fuel pressure tester from one of the auto parts stores - test it in the morning after sitting all night - it should hold pressure.

 

Off of what sixpack said, your plugs may be wet also.