What happens if you put petrol injector cleaner in a diesel?
What happens if you put petrol injector cleaner in a diesel? The chemicals in diesel injector cleaner are designed to also clean diesel injector pumps and not react to rubber seals. The chemicals will also prevent the diesel knocking. In a petrol engine the chemicals will basically useless. Well if it's really old it won't have injectors unless it's a diesel. Can you use too much diesel injector cleaner? Fact is, you can use too much Techron and cause damage to your fuel tank lining. You mention the vehicle runs better after you use it. You should try to run...