Derek's Diesel Service Inc is a local, family owned and operated business that has been serving clients throughout the Barrie area since 1962. We specialize in the sales and servic...more...See more text
I had my injection pump and injectors in to 2 different shops, but the engine continued to run badly Someone recommended Derek's to me so I tried that. Perfect! Now the engine runs smoothly and no smoke at all! Apparently there were many errors in the adjustments.
Too bad I paid 3 times for the same job, but only Derek's was worth paying for.Read more