engatwork is right. Can you check the compression?

Also, do you know when the valves were adjusted last? Key in a high compression engine.

The turbo is secondary. No exhaust .... no turbo.

Haasman

__________________
'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)