Having problems with your 1994 Isuzu Trooper ?

Can you ajust the injection pump on a isuzu 4jb1t engine the engine is fitted to a landrover it pulls well but loads of black smoke on acc and only 12 mpg it is very smooth starts very easy and uses no oil all filters are new thanks colin

Posted / edited by AnonymousUser on : 12-04-2021

Answers :

Are you sure you change all the filter , air filter oil filter and diesel filter..look before driving it let it go to opereating temperature, then drive it.add some additive as lucas product for fuel system..
Repair Help & Product Troubleshooting for 1994 Isuzu Trooper

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