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1995 Isuzu Trooper Problems
The check transmission light may illuminate with a stored code 37. This is commonly caused by electrical interference on the data communication circuit between the transmission control module (TCM) and the engine control module (ECM). Our technicians recommend that all related connection and ground locations should be inspected and repaired as necessary. In some cases electromagnetic interference may be the cause, shielding of the affected wiring may be of help it this case.
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.
The check transmission light may illuminate with a stored code 61, gear ratio fault. This commonly indicates an internal transmission failure. Our technicians recommend removing the adapter case pan for inspection. If metal is found in the pan the transmission will require overhaul or replacement.