Erlendo Posted June 10, 2015 Share Posted June 10, 2015 Hello there Focus people! Proud new owner of a 2000 Focus with 1.6 Zetec engine, here's the story: 140,000 miles Changed oil when I got it, semi synthetic 5W-40, level ok Drove 1300 miles (forgot to check oil level, my bad) Checked the dipstick, nothing on there, !Removed! Filled 3(!) liters to get it back up to max It runs okay but needs a liter every 300 miles or so Removed spark plugs to do compression test Spark plug no.3 heavily covered in soot, 1,2,4 looks fine Cyl 3 shows 2 bars (29 psi) on compression test Cyl 1 shows 16 bars The rubber seal on the compression tester blows out and I can not get proper readings for the other cylinders. I will retest dry and do a wet test when I get a new tester Piston rings on cyl 3 would be my best guess, but what's up with the high reading on cal 1? Could that be related to cyl 3? Are there any typical culprits with regards to oil consumption in the 1.6 zetec? Thanks guys! Quote Link to comment Share on other sites More sharing options...
Goodkat Posted June 10, 2015 Share Posted June 10, 2015 My first impression would be piston rings in cyl 3 but I am not certain... Sent via the 'Clacks' GNU STP Quote Link to comment Share on other sites More sharing options...
madmole Posted June 10, 2015 Share Posted June 10, 2015 Or valve stem oil seal on 3 1 Quote Link to comment Share on other sites More sharing options...
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