It might be due to pluges get it changed and for pickup you need lamda control system Micheal 9310584008
No, a diesel is a compression firing engine and a petrol is a spark firing engine. Diesel fuel will not burn in a petrol engine with spark plugs.
1_4_3_2
Never heard of a 4.2 liter engine.
1-3-4-2
fire point of petrol
by compression test
WHAT ARE THE BASIC PARTS OF PETROL ENGINE? HOW DOES PETROL ENGINE WORKS?
Petrol in a diesel engine will destroy the engine.
A petrol (gasoline) engine can be an otto cycle engine or it may not be. Click the link.
Gottelieb made an engine that ran on petrol.
Who told you it is harmful? It is only harmful if it is a Diesel engine. If it is a petrol (gasoline) engine then Petrol is what it takes to run.
Sure would help if you actually listed the make and model vehicle this engine was installed in. I can provide no answer without that information.