A ticking noise may be noted from the engine valve train area. This is commonly caused by varnish build up in the hydraulic lash adjusters (HLA). Our technicians tell us that using Mobil 1 synthetic oil has been successful in cleaning the varnish deposits and quieting the lifter noise.
1997 Isuzu Trooper Problem Reports
Most Reported 1997 Isuzu Trooper Problem Reports
A rattling type noise may develop from the front of the engine. This is commonly caused by a faulty timing chain tensioner. Replacement of the failed tensioner should correct this concern.
A loss of power and/or illumination of the Check Engine Light with associated fault code P0420 may be noted. Our technicians tell us this is generally caused by a failed catalytic converter which will require replacement.