Engine oil VALVOLINE or Lucas

Could be a spark plug, ignition coil, injector or low compression.

Valvoline restore and protect is all that you can do. Best motor oil out there.

VALVOLINE RESTORE AND PROTECT AND SHORTEN OIL CHANGE INTERVAL! It will fix it!

Run valveoline restore and protect for 3000 miles. Add engine oil flush before eat oil change according to their instructions repeat 4 times or more. After that continue to run valvoline restore and protect until the engine dies

Edit: dies from old age at 500k miles

8,000 fall through spring, 6,000 for summer, running full Valvoline full synthetic.

Don't know how many miles is on this car but these are notorious oil burners. It's a long shot buy you might try running Valvoline Restore & Protect oil.

If you do research oil analysts here in this sub, Valvoline comes out the best.

Using high mileage oil (additives to make gaskets swell just a tad bit), used to burn almost a quart between 5k miles but now it's maybe half a quart.

My mechanic added a bunch of Lucas to the oil, which he said might at least quiet it down, and it did. It's quieter now, but I can still hear it at idle.

They checked the oil and sure enough they put double the oil in her engine.